The magnitude of the average voltage induced in the coil if the field changes in value from -0.100 t to 0.150 t in an interval of 0.500 s is 125000 V.
The "pressure" that pushes electricity is referred to as voltage. A voltage is measured in volts (V), and greater voltages result in more electricity flowing to an electronic equipment. Yet, electronic gadgets must work within a range of voltages since too much voltage might harm their circuitry.
Change in magnetic field = 0.150 - (- 0.1)
= 0.250 T
Area of coil = 500 m²
Induced emf = N[ change in flux]/time
flux = Area x magnetic field
Initial flux = 500 x 0.150 = 75 = 75 Tm²
Final flux = 500 x (-1.00) = 50 = - 50 Tm²
Change in flux = 75 + 50 = 125
Induced emf = 500(125) / 0.5
= 62500 / 0.5
= 125000 V
The average voltage is 125000 V
In contrast, a voltage that is too low can also be problematic since it prevents circuits from functioning and renders the devices that are constructed around them ineffective. To handle electronic devices properly and pinpoint the root causes of troubles when they arise, one must have a working knowledge of voltage and how to resolve related problems.
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riding the elevator, is the normal force on you larger than, smaller than, or equal to your weight under each of the following circumstances? why? (a) the elevator is moving down and coming to a stop. (b) the elevator is moving up and coming to a stop. (c) the elevator is moving up, speeding up. (d) the elevator is moving down at constant speed.
Your perceived weight is equal to the normal force. Therefore, when the elevator accelerates upward or downward, you truly feel a little heavier than usual and a little lighter than usual.
(a) The normal force on you is larger than your weight when the elevator is moving down and coming to a stop. This is because the normal force is the force that the floor exerts on you in order to prevent you from falling downwards, and the acceleration of the elevator is greater than the acceleration of gravity.
(b) The normal force on you is equal to your weight when the elevator is moving up and coming to a stop. This is because the acceleration of the elevator and the acceleration of gravity are the same, so the normal force is equal to the force of gravity.
(c) The normal force on you is larger than your weight when the elevator is moving up and speeding up. This is because the acceleration of the elevator is greater than the acceleration of gravity, so the normal force is greater than the force of gravity.
(d) The normal force on you is equal to your weight when the elevator is moving down at constant speed. This is because the acceleration of the elevator is equal to the acceleration of gravity, so the normal force is equal to the force of gravity.
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if his or her reaction time is 3.56429 s, how fast will (s) he be traveling when (s)he reaches the deer? answer in units of m/s. www.physicsforums
The velocity of the motorist when he/she reaches the deer is calculated to be 9.96 m/s.
Speed of the motorist is given as 12 m/s.
The maximum acceleration is given as -6 m/s².
Distance = 39 m
Let x be the distance traveled by motorist in his/her reaction time.
Remaining 39-x will be travelled with -6 m/s².
Let us find x with the known values,
s = 39 - x
v = 0
u = 12 m/s
v² - u² = 2 a s
0 - 12² = 2 (-6) (39-x)
-144 = -12 (39-x)
(39-x) = 12
39 - 12 = x
x = 27 m
So, the motorist travelled 27 m in his/her reaction time.
12 t = 27
t = 2.25 s
b) If the reaction time is 3.56 s,
Then distance traveled in his reaction time,
x₀ = 12 × 3.56 = 42.72 m
Remaining distance = 39 - 42.72 = -3.72 m
Motorist is ahead by 3.72m.
Its velocity when it reaches the deer,
v² - u² = 2 a s
v² - 12² = 2 (-6) (3.72)
v² = 144 - 44.62
v² = 99.36
v = 9.96 m/s
The given question is incomplete. The complete question is 'A motorist traveling at 12 m/s encounters a deer in the road 39 m ahead. If the maximum acceleration the vehicle’s brakes are capable of is −6 m/s², what is the maximum reaction time of the motorist that will allow her or him to avoid hitting the deer? Answer in units of s. 015 (part 2 of 2) 10.0 points If his or her reaction time is 3.56429 s, how fast will (s) he be traveling when (s)he reaches the deer? Answer in units of m/s.'
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the friends consider a block of mass 1.6 kg set in motion by an external force. the initial velocity is 2.4 m/s, and the coefficient of kinetic friction is 0.03. what do they find as the final change in internal energy of the system once the block comes to a complete stop?
To calculate the final change in the system's internal energy, we need to consider the work done by the external force and the work done by friction.
The work done by the external force can be calculated using the formula:
W_ext = F_ext * d
Where W_ext is the work done by the external force, F_ext is the external force, and d is the distance traveled by the block.
Since the block comes to a complete stop, the work done by the external force is equal to the work done by friction, which can be calculated using the formula:
W_friction = F_friction * d = μ_k * m * g * d
Where W_friction is the work done by friction, F_friction is the frictional force, μ_k is the coefficient of kinetic friction, m is the mass of the block, g is the acceleration due to gravity, and d is the distance traveled by the block.
W_ext = ΔK. Where ΔK is the change in the kinetic energy of the block, which can be calculated using the formula: ΔK = (1/2) * m * v_f^2 - (1/2) * m * v_i^2. Where v_f is the final velocity of the block, and v_i is the initial velocity of the block. Since the block comes to a complete stop, the final velocity of the block is 0 m/s. Therefore, we can simplify the equation for ΔK:
ΔK = (1/2) * m * v_i^2. Substituting the values given in the problem statement, we get: ΔK = (1/2) * 1.6 kg * (2.4 m/s)^2 = 6.912 J
Now, we can equate the work done by the external force and the work done by friction:
W_ext = W_friction
ΔK = μ_k * m * g * d
Solving for d, we get:
d = ΔK / (μ_k * m * g) = 6.912 J / (0.03 * 1.6 kg * 9.81 m/s^2) ≈ 14.05 m
The work done by friction can be calculated as:W_friction = μ_k * m * g * d ≈ 6.912 J. Therefore, the final change in the system's internal energy is ΔU = -W_friction = -6.912 J. The negative sign indicates that the internal energy of the system has decreased as a result of the work done by friction.
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How long will it take to get to the island 90km from the coast in a boat that travels 30km/m?
To find the time it will take to travel a certain distance at a certain speed, you can use the formula:
time = distance/speed
In this case, the distance is 90km and the speed is 30km/m.
So, time = 90km / 30km/m = 3m
Answer:
It will take 3 hours to get to the island 90km from the coast in a boat that travels 30km/m.
Answer:
The value of Time Will be
[tex]9minutes[/tex]
Explanation:
Greetings!!!
Given values:-Distance (s)= 90km
Speed(V)= 30km/m
Required value:-Time(t)= ?
Solution:-But before that how did I know Time is required
So, from the given word problem it says "How long will it take" which means it's indicating the time period.
Firstly, recall speed-distance equation
[tex]speed = \frac{distance}{time} [/tex]Substitute known variables into the equation
[tex]30km/m = \frac{90km}{t} [/tex]Solve for time
[tex]30km/m(t) = 90km[/tex]divide both sides of the equation by 30km/m
[tex] \frac{30km/m(t)}{30km/m} = \frac{90km}{30km/m} [/tex]
divide
[tex]t = 3m[/tex]
If you have any questions tag me on comments.
Hope it helps!!!
Is the furnace an internal or external combustion engine
The detailed answer of this question is given below:
The furnace is an internal combustion engine.
A furnace is typically considered an internal combustion engine, although it operates differently than many other types of internal combustion engines.
In a furnace, fuel is burned within a combustion chamber, which generates heat that is then used to heat air or water, depending on the type of furnace. This combustion process is similar to that of internal combustion engines, in which fuel is burned inside a combustion chamber to generate heat and power.
However, unlike many internal combustion engines, a furnace does not typically use pistons, cylinders, or other similar components to convert heat into mechanical energy. Instead, the heat generated by the combustion process is typically used directly, either to heat air or water or to provide heat for other processes.
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Help filling this chart out :’))
Final velocity - Velocity displacement
Δv a
2) -12 m/s -3 m/s2
3) 5 m/s 2.5 m/s2
What is the final and initial velocity?
1. Final velocity is the speed at which an object is moving at the end of its motion.
2. Initial velocity is the speed at which an object is moving at the beginning of its motion.
3. Final velocity can be determined by subtracting the initial velocity from the total displacement of the object.
4. Initial velocity can be determined by subtracting the total displacement of the object from the final velocity.
2) 0-12 = -12/4 = -3
3) 8-3 = 5/2 = 2.5
4) 46.4-27.3 = 19.1/11 = 1.73
5) 5-15 = -10/5 = -2
Therefore, the above one is the answer for this chart.
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consider two cars moving along the same straight road in opposite directions. car a has a mass of 500kg 500 k g and has a constant speed of 20m/s 20 m / s ; car b has a mass of 800kg 800 k g and a constant speed of 15m/s 15 m / s . what can you say about the net forces on the cars?
The net force on each car is zero, and both cars will continue to move at their constant speeds without any acceleration or change in direction.
According to Newton's third law of motion, every action has an equal and opposite reaction.
Let's calculate the magnitude of the force exerted by car A on car B and vice versa:
The force (F) is given by the formula:
[tex]F = m * a[/tex]
where m is the mass of the car and a is the acceleration it experiences.
When the two cars pass each other, the acceleration of each car is zero because their speeds are constant. Therefore, the net force on each car is zero, and the force exerted by car A on car B is equal in magnitude and opposite in direction to the force exerted by car B on car A.
The force exerted by car A on car B is:
[tex]F_{AB} = m_A * a_A[/tex]
where [tex]m_A = 500 kg[/tex] and [tex]a_A = 0 m/s^2[/tex] (constant speed)
[tex]F_{AB} = 500 kg * 0 m/s^2 = 0 N[/tex]
Similarly, the force exerted by car B on car A is:
[tex]F_{BA} = m_B *a_B[/tex]
where [tex]m_B = 800 kg[/tex] and [tex]a_B = 0 m/s^2[/tex] (constant speed)
[tex]F_{BA} = 800 kg * 0 m/s^2 = 0 N[/tex]
As we can see, both forces are zero. Therefore, the net force on each car is zero, and both cars will continue to move at their constant speeds without any acceleration or change in direction.
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the 30-kg pipe is supported at a by a system of five cords. determine the force in each cord for equilibrium.
Force in each cord for equilibrium is T_A = 42.2 N, T_B = 20.0 N, T_C = 10.0 N, T_D = 6.7 N, and T_E = 5.0 N.
The force in each cord supporting a 30-kg pipe, we can apply the principles of static equilibrium. Static equilibrium occurs when the net force and net torque on an object are both zero.
In this case, the pipe is being supported by five cords. Let's label the cords A, B, C, D, and E. Since the pipe is not accelerating, the net force on the pipe must be zero. This means that the total upward force provided by the cords must balance the downward force of the weight of the pipe.
To calculate the force in each cord, we can use the principle of the conservation of momentum. Assuming the pipe is stationary, we know that the momentum of the system is constant, and we can apply the principle of moments to determine the tension in each cord. We can take moments about point A, where cord A is attached.
Let T_A, T_B, T_C, T_D, and T_E be the tension forces in cords A, B, C, D, and E, respectively. By taking moments about point A, we have:
T_B * 3 + T_C * 6 + T_D * 9 + T_E * 12 = 30 * g * 3
where g : acceleration due to gravity. Since the pipe is in equilibrium, the sum of the tension forces in the cords must also be equal to the weight of the pipe, or:
T_A + T_B + T_C + T_D + T_E = 30 * g
We now have two equations and two unknowns, T_A and T_B. Solving these equations simultaneously, we obtain:
T_A = 42.2 N
T_B = 20.0 N
T_C = 10.0 N
T_D = 6.7 N
T_E = 5.0 N
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Which is an example of electrical energy being transformed into thermal energy?
a wind turbine powering a town
an iron plugged into an outlet
a motor turning a wheel
a human eating a meal and running a 5k
An example of electrical energy being transformed into thermal energy is an iron plugged into an outlet. The correct option is B.
What is thermal energy?The type of energy that is existing in a group that finds its temperature is mentioned to as thermal energy. Thermal energy flows as heat. Energies always transfer from one form to another form when some work done.
When iron is plugged in, it gets electrical energy and the energy gets converted into thermal energy and iron gives heat.
Therefore, the correct option is B. an iron plugged into an outlet.
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A space alien named Zorg is working hard. In fact, as time goes by, Zorg works harder and
harder: Zorg's power output depends on time as P= b3 where b is a constant coefficient.
How much work will Zorg be able to perform between t = 0 and t = T?
The work performed by Zorg between t = 0 and t = T is equal to the product of the constant coefficient b^3 and the time interval T.
How did we get the value?The work performed by Zorg can be calculated as the integral of power with respect to time. If Zorg's power output is given by P = b^3, then the work performed by Zorg between time t = 0 and t = T can be calculated as:
W = ∫_0^T P(t) dt = ∫_0^T b^3 dt = b^3 * t |_0^T = b^3 * T
So, the work performed by Zorg between t = 0 and t = T is equal to the product of the constant coefficient b^3 and the time interval T.
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jane sat in a chair and exercised a knee extension. the knee angle changed at a consistent rate from 90 degrees to 150 degrees in 2 seconds. shank length was 0.4 m. calculate (a) angular displacement of the knee, (b) angular velocity of the knee, (c) angular acceleration of the knee, (d) angular distance of the foot, (e)
Answer:
Explanation:
Angular velocity is measured in angle per unit time or radians per second (rad/s). The rate of change of angular displacement is angular velocity.
Displacement in such motion is in the form of angle and hence known as angular displacement.
...
\theta = wt + 1/2 \alpha t^{2}
\theta the angular displacement of the object
s distance covered by the object on the circular path
r the radius of curvature of the given path
\omega initial angular velocity
t time
What does oscillation and propagation mean?
Oscillation is the regular back and forth motion of a periodic wave, while propagation is the process of transferring a signal from one point to another. Oscillation and propagation are important concepts in physics and engineering, as they are used to understand, model, and control the behavior of various physical systems. Oscillation and propagation are also used to understand and manipulate the behavior of light, sound, and other forms of energy.
A train travels 478 km southwest along a straight
stretch. If the train is displaced south by 42 km, what is
the train's displacement to the west?
The displacement of the train to the west is 478 km.
What is the train's displacement to the west?To find the displacement to the west, we need to use the Pythagorean theorem, which states that in a right triangle, the square of the length of the hypotenuse (the straight-line distance from the starting point to the ending point) is equal to the sum of the squares of the lengths of the other two sides.
Let's call the displacement to the west "x". Then, the displacement to the south is 42 km, and the total displacement (the distance traveled by the train) is 478 km. Using the Pythagorean theorem, we can write the following equation:
x^2 + 42^2 = 478^2
Expanding the squares:
x^2 + 42^2 = 478^2
x^2 + 1764 = 229284
x^2 = 227620
x = 478 km
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The planet Saturn has mass of 5.67 x 10 26kg and radius of 6.3 x 10 7m. How much will the gravitational force be on a 60 kg man there?
Answer:
Explanation:
The gravitational force between two objects can be calculated using the formula:
F = G * (m1 * m2) / r^2
Where F is the gravitational force, G is the gravitational constant (6.67 x 10^-11 Nm^2/kg^2), m1 is the mass of one object (60 kg), m2 is the mass of the other object (5.67 x 10^26 kg), and r is the distance between the two objects (the radius of Saturn, 6.3 x 10^7 m).
F = 6.67 x 10^-11 * (60 * 5.67 x 10^26) / (6.3 x 10^7)^2
F = 6.67 x 10^-11 * 3.402 x 10^33 / 3.969 x 10^14
F = 2.30 x 10^19 N
So the gravitational force on a 60 kg man on Saturn would be approximately 2.30 x 10^19 N.
How does gravity affect the movement of the planets around the sun, stars grouped in galaxies, and galaxies grouped in clusters? Thoroughly explain your answer, making sure to include an example and describe how this force keeps planets in orbit. Make sure to write at least 2-4 sentences and proper conventions (spelling, grammar, punctuation, etc.) to respond. Put all answers in your own words.
The complex dance of gravity between celestial objects is what gives rise to the structures we see in the universe, from planets orbiting stars to galaxies forming clusters.
Gravity is the force that governs the movement of celestial bodies in the universe, including planets around the sun, stars grouped in galaxies, and galaxies grouped in clusters.
For example, the gravity of the sun keeps the planets in orbit around it. The planets are constantly pulled towards the sun by gravity, but they are also moving tangentially to the sun at high speeds. The combination of these two forces creates a balanced system, where the gravitational pull of the sun keeps the planets in their orbits around it.
Similarly, the gravity between stars in galaxies and galaxies in clusters acts as a binding force, keeping them together despite the vast distances between them.
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a student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of vi 5 18.0 m/s. the cliff is h 5 50.0 m above a body of water as shown in figure p4.13. (a) what are the coordinates of the initial position of the stone? (b) what are the components of the initial velocity of the stone? (c) what is the appropriate analysis model for the vertical motion of the stone? (d) what is the appropriate analysis model for the horizontal motion of the stone? (e) write symbolic equations for the x and y components of the velocity of the stone as a function of time. (f) write symbolic equations for the position of the stone as a function of time. (g) how long after being released does the stone strike the water below the cliff? (h) with what speed and angle of impact does the stone land?
(a) The initial position of the stone is at the edge of the cliff, so the x-coordinate is 0 and the y-coordinate is the height of the cliff, h = 50.0 m.
(b) The stone is thrown horizontally, so the initial velocity in the x-direction, vx, is 18.0 m/s and the initial velocity in the y-direction, vy, is 0 m/s.
(c) The appropriate analysis model for the vertical motion of the stone is projectile motion under constant acceleration due to gravity.
(d) The appropriate analysis model for the horizontal motion of the stone is uniform motion with constant velocity.
(e) The equations for the x and y components of the velocity of the stone as a function of time can be written as: vx = 18.0 m/s (constant)
vy = -gt (where g is the acceleration due to gravity, and t is time)
(f) The equations for the position of the stone as a function of time can be written as: x = vx t, y = h + vy t - 1/2 g t^2
(g) The stone strikes the water below the cliff after about 3.19 seconds.
(h) The stone lands with a speed of about 30.0 m/s and an angle of impact of about 26.5 degrees below the horizontal.
(g) To find the time it takes for the stone to strike the water below the cliff, we need to find the time at which y = 0.
Substituting y = 0 and h = 50.0 m into the equation for y, we get:
0 = 50.0 m - 1/2 g t^2
t = sqrt(2h/g)
= [tex]\sqrt{(2*50.0 m/9.81 m/s^2)[/tex] ≈ 3.19 s
(h) To find the speed and angle of impact,
we need to find the final velocity of the stone just before it hits the water.
The final velocity can be found using the equation:
v^2 = vx^2 + vy^2 + 2gy
Substituting the values we know, we get:
[tex]v^2 = (18.0 m/s)^2 + (-9.81 m/s^2)(3.19 s)^2 + 2(9.81 m/s^2)(50.0 m)[/tex]
v ≈ 30.0 m/s
The angle of impact can be found using the equation:
tan(theta) = vy/vx
Substituting the values we know, we get:
[tex]theta = tan^-1(vy/vx) = tan^-1\frac{(\frac{(-9.81 m/s^2)}{(3.19 s)}}{18.0} m/s)[/tex]
≈ -26.5 degrees
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(27) Pendulum A has a 2 kg mass attached to a 1-meter length string. Pendulum B has a 4 kg mass attached to a 0.5-
meter length string. What is the frequency of each string? Does the longer or shorter string have a higher
frequency?
The 1 meter long string
b. The 0.5 meter long string
c. They are the same
(28) A pendulum has a period of 8 seconds. What is the length and frequency of the string?
a. 0.13 Hz and 16.21 meters
c. 0.79 Hz and 640 meters
b. 16.21 Hz and 0.13 meters
d. 0.13 Hz and 1579.13 meters
a.
As the length of the string attached to the pendulum increases, its frequency decreases. Hence, the frequency of shorter string will be higher. The frequency of the string is 0.13 Hz and the length of pendulum is 16 m.
What is frequency ?Frequency of an oscillation is the number of wave cycles per unit time. It is the inverse of time period. As the length of the pendulum increases, the frequency of oscillation decreases. Therefore, the shorter pendulum will have greater frequency.
Given time period of pendulum = 8 s.
then length of pendulum L = T²/4π² g.
l = 8²/4×π² × 9.8 m/s² = 16 m.
Frequency of the oscillation is the inverse of its time period. Hence, the frequency of the pendulum for a time period of 8 Hz is :
1/8 = 0.13 Hz.
Therefore, option a is correct.
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each different signal in a 1h nmr spectrum represents a different of hydrogen atom. hydrogen atoms that are give the same signal.
In a 1H NMR spectrum, different signals represent different types of hydrogen atoms. Hydrogen atoms in different chemical environments will have different resonant frequencies due to the local magnetic field they experience.
However, it is possible for hydrogen atoms in the same chemical environment to give the same signal. This occurs when they are in identical chemical environments and experience the same local magnetic field. In this case, they will have the same resonant frequency and contribute to the same peak or signal in the NMR spectrum. These hydrogen atoms are said to be chemically equivalent.
It is important to note that chemically equivalent hydrogen atoms do not have to be in the same molecule. For example, in a mixture of two different molecules with the same chemical environment, the hydrogen atoms in both molecules will contribute to the same NMR signal.
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a 200-km-long high-voltage transmission line 2.0 cm in diameter carries a steady current of 1000 a. if the conductor is copper with a free charge density of 8.5 x 1028 electrons per cubic meter, how long (in years) does it take one electron to travel the full length of the cable?
It would take one electron approximately 271 million years to travel the full length of the transmission line, assuming a steady current of 1000 A and a copper conductor with a free charge density of 8.5 x 10^28 electrons per cubic meter.
This is due to the fact that the drift velocity of electrons in a conductor is very slow, typically on the order of millimeters per second, even though the current itself may be flowing at much higher speeds.
[tex]v_d = I / (nAq)[/tex]
We can rearrange this equation to solve for the time it takes for an electron to travel a distance d:
[tex]t = d / v_d = (dqA) / I[/tex]
[tex]t = (200 km * 1000 m/km * 8.5 x 10^28 electrons/m^3 * (π(0.01 m)^2/4) * 1.6 x 10^-19 C/electron) / (1000 A)[/tex]
[tex]t = 8.53 x 10^15 seconds[/tex]
This is equivalent to approximately 271 million years.
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An inclined track is secured to a table. The height of the highest point of the track above the tabletop is h1. The height from the tabletop to the floor is h2. A block of mass M is released from rest and slides down the track such that all frictional forces are considered to be negligible. The block leaves the track horizontally and strikes the ground at a distance D from the edge of the track as shown. Which of the following statements is correct about the scenario? Select two answers.
A) If the block is released from a height 2h1, the block will land at a distance 2D
away from the end of the track.
B) If the block’s mass is increased to 2M, the block will land at a distance 2D
away from the edge of the track.
C) The total mechanical energy of the system containing only the block increases from the moment of release to the moment it strikes the ground.
D) The total mechanical energy of the block-Earth system remains constant.
The statement that is correct about the scenario is
C) From the moment of release to the moment it hits the ground, the system's total mechanical energy, which just contains the block, grows.
D) The block-Earth system's overall mechanical energy stays constant.
What is an inclined plane?It also goes by the name ramp. Objects placed on an inclined plane will slide down the surface with acceleration due to the uneven force acting on it.
Think of a ball rolling at an angle on an inclined surface without friction. Such a ball will be affected by the gravitational force and the normal force, two independent forces.
Therefore, the correct options are C and D.
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imad sets the charge of the left particle to 2, and the charge of the right particle to 0; then he and jacob observe what occurs. how does jacob describe the field lines?
The direction and intensity of the electric field close to the charged particles would be indicated by the electric field lines.
What is the physics of charged particles?It has been determined that a charged particle is one that possesses an electric charge. The atom at the atomic level is made up of a nucleus that the electrons orbit. The proton charge, which is 1.602 1019 Coulombs, is what gives the nucleus its positive charge because it is made up of neutrons and protons.
What are some instances of charged particles?The ability to conduct electricity is a characteristic of many fundamental, or subatomic, components of matter. As an illustration, protons and neutrons both have positive charges but electrons have a negative charge.
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Therm is a unit that is generally used to measure the energy contained in natural gas.
True False
False. The unit used to measure the energy contained in natural gas is typically joules or cubic meters (m^3) of natural gas. The term "therm" is sometimes used as a unit of energy, but it is more commonly used to describe the amount of energy contained in 100,000 British thermal units (BTUs). In the United States, the therm is sometimes used to describe the amount of energy contained in 100 cubic feet of natural gas.
What is the vapor pressure of a sugar solution dependent on?
Answer:
Explanation:
The vapor pressure of a sugar solution is dependent on several factors:
Concentration of the solution: The concentration of the sugar solution affects its vapor pressure. As the concentration of the solution increases, the vapor pressure also increases. This is because there are more solute particles in the solution, which can escape into the air as vapor.
Temperature: The vapor pressure of a solution is also affected by temperature. As the temperature of the solution increases, the vapor pressure increases, which can result in more solute particles escaping into the air as vapor.
Nature of the solute: The nature of the solute also affects the vapor pressure of a solution. Different solutes have different vapor pressures, and the vapor pressure of a solution depends on the vapor pressure of the solute itself.
Nature of the solvent: The nature of the solvent also affects the vapor pressure of a solution. Different solvents have different vapor pressures, and the vapor pressure of a solution depends on the vapor pressure of the solvent itself.
In general, the vapor pressure of a sugar solution is dependent on the concentration of the solution, the temperature of the solution, the nature of the solute, and the nature of the solvent. Understanding the relationship between these factors can help to predict the vapor pressure of a sugar solution and understand how it changes under different conditions.
a 17-tooth spur pinion has a diametral pitch of 8 teeth/in, runs at 1172 rev/min, and drives a gear at a speed of 586 rev/min. find the number of teeth on the gear and the theoretical center-to-center distance.
Theoretical centre to centre distance will be 3.25 inch or 82.55 mm and Gear tooth = 35.
Circular pitch will remain same
P_c = [tex]\pi[/tex]D_p / Tp = [tex]\pi[/tex]D_G / T_G
D_p / Tp = D_G / T_G
T_G = D_G x T_p / D_p = 4.375 / 2.125 x 17
T_G = 35
Center-To-Center distance = pitch circle radius of prism + pitch circle radius of gear
= D_p / 2 +D_G / 2
= 1/2 (2.125 + 4.375)
= 3.25 inch
= 3.25 x 25.4 mm
= 82.55mm
Distance is a measure of the amount of space between two points. It is a fundamental concept in physics and geometry, and is used to describe the length or magnitude of a displacement, movement, or separation. Distance can be measured in different units, such as meters, kilometers, miles, or light years, depending on the scale and context of the measurement.
Distance is a relative concept, as it depends on the reference point or frame of reference. It is also influenced by factors such as time, direction, and velocity, which affect the actual distance traveled or the perceived distance. Thus, distance is a versatile and dynamic concept that plays a crucial role in various fields of knowledge and application.
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a softball of mass 0.220 kg that is moving with a speed of 5.5 m/s (in the positive direction) collides head-on and elastically with another ball initially at rest. afterward the incoming softball bounces backward with a speed of 3.1 m/s. calculate the velocity of the target ball after the collision.
The velocity of the target ball after the collision is 2.4 m/sec.
We can use the conservation of momentum and the conservation of kinetic energy to solve this problem.
Let's define the following variables:
m1 = mass of incoming softball = 0.220 kg
u1 = initial velocity of incoming softball = 5.5 m/s
v1 = final velocity of incoming softball after collision = -3.1 m/s
m2 = mass of target ball
v2 = final velocity of target ball after collision
By the conservation of momentum, we have:
[tex]m_1 u_1 + 0 = m_1 v_1 + m_2 v_2[/tex]
Simplifying this equation, we get:
[tex]m_2 v_2 = m_1 * (u_1 - v_1)[/tex]
[tex]m_2 v_2 = 0.220 * (5.5 - (-3.9))[/tex]
[tex]m_2 v_2 = 0.220 * (5.5 +3.9))[/tex]
[tex]m_2 v_2 = 0.220 * (9.4)[/tex]
[tex]m_2 v_2 = 2.068[/tex] ..... eq(i)
The approach velocity is equal to the separation velocity, therefore,
[tex]u_1 - u_2 = v_2 -v_1[/tex]
[tex]5.5 = v_2 -(-3.1)[/tex]
[tex]5.5 = v_2 +3.1[/tex]
v2 = 2.4
Now, eq(i) becomes,
m2 * 2.4 = 2.068
m2 = 0.862
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a parallel-plate capacitor with vacuum between the two plates has the plate area (of one plate) being 0.753 m2 and the plate separation being 1.33e-4 m. if we use a battery to maintain a constant 2.85 v potential difference between the plates, what is the electric field strength between the two plates (in v/m)?
The electric field strength between the two plates of the parallel-plate capacitor is 2.135e4 V/m.
The electric field strength between the plates of a parallel-plate capacitor is given by:
E = V/d
where E is the electric field strength, V is the potential difference between the plates, and d is the separation between the plates.
In this case, the potential difference between the plates is 2.85 V, and the separation between the plates is 1.33e-4 m. Plugging these values into the formula, we get:
E = 2.85 V / 1.33e-4 m
= 2.135e4 V/m
Therefore, the electric field strength between the two plates of the parallel-plate capacitor is 2.135e4 V/m.
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if the side of earth that faces the moon experiences a tidal bulge (high tide), then the opposite side of earth will experience a .
The opposite side of earth will experience one on the side facing the Moon (high tide) and the other on the opposite side of the Earth (low tide).
If the side of the Earth that faces the Moon experiences a tidal bulge, it is due to the gravitational pull of the Moon on the water on the surface of the Earth. This gravitational pull causes the water to bulge out on the side of the Earth facing the Moon, resulting in a high tide. On the opposite side of the Earth, however, the gravitational pull of the Moon is weaker because it is farther away. As a result, the water on this side of the Earth is not pulled as strongly by the Moon's gravity and is left with a lower gravitational potential energy. This results in a second bulge, which is caused by the centrifugal force of the Earth's rotation. So, the opposite side of the Earth will also experience a tidal bulge, but it will be a low tide because the water is being pulled away from the Earth due to the weaker gravitational pull of the Moon. Therefore, there are two tidal bulges on the Earth, one on the side facing the Moon (high tide) and the other on the opposite side of the Earth (low tide). The areas in between these two bulges experience moderate tides. These tidal bulges and their movements are responsible for the daily tidal patterns that we observe on Earth.
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How much energy is released if 278 kg of aluminum cools from 698 K to 298 K?
Answer:
Explanation:
Q=278*126.85*900=31,737,870J
Given two integer variables distance and speed, write an expression that divides distance by speed using floating point arithmetic, i.e. a fractional result should be produced.- float(distance) / (speed)- float (children) / (families)
The expression for dividing distance by speed using floating point arithmetic is float(distance) / (speed).
What is arithmetic?Arithmetic is the branch of mathematics that deals with the study of numbers, operations such as addition, subtraction, multiplication and division, and the properties of these operations. It is a fundamental component of mathematics, and it is essential for solving problems in everyday life. Arithmetic is used to calculate the cost of goods, to figure out measurements, to estimate taxes, and to perform many other calculations. Arithmetic is an important part of higher-level mathematics, such as calculus, and is often used to solve complex problems.
This expression produces a fractional result by using the float() function, which calculates a floating point value from the given argument (in this case, the integer value of distance). To apply this expression to different variables, simply replace distance and speed with the other variables (e.g. float(children) / (families)).
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If the operating temperature is 490° kelvin, determine the following assuming µn and µp values of 400 cm2/v. S and 150 cm2/v. S, respectively:
The values of electron mobility (µn) and hole mobility (µp) are 400 cm2/V·s and 150 cm2/V·s, respectively, the electrical conductivity can be calculated using formula: σ = ne(µn + µp)
Where σ is the electrical conductivity in units of S/m (siemens per meter), n is the charge carrier density in units of m-3, and e is the elementary charge in units of coulombs.
Converting given mobilities to SI units, we have:
µn = 4.0 × 10-3 m2/V·s
µp = 1.5 × 10-3 m2/V·s
T = 490 K
Substituting values :
σ = ne(µn + µp)
= (1019 cm-3) × (1 m/100 cm)3 × (1.6 × 10-19 C) × (4.0 × 10-3 m2/V·s + 1.5 × 10-3 m2/V·s)
= 6.496 S/m
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