ghaegh agkl;agp oahjbkv w]ifskbv-ia]gaeglksrtbbthae atyaeyy
Plugging in the values given in the problem, we get: 1.69 * 10^-3 N.
What is electric force?Electric force is the force that exists between two objects that have an electric charge. It is one of the four fundamental interactions of nature, alongside gravitational force, the weak nuclear force, and the strong nuclear force.
The magnitude of the electric force that one particle exerts on the other can be calculated using the equation F = k * (q1 * q2)/r^2, where k is the Coulomb's Constant (k = 8.99 * 10^9 Nm^2/C^2), q1 and q2 are the charges of the two particles, and r is the distance between them.
Plugging in the values given in the problem, we get:
F = (8.99 * 10^9 Nm^2/C^2) * (8.08 nC * 4.02 nC)/(1.62 m)^2
F = 1.69 * 10^-3 N
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an uneven arrangment of electrons and protons on a circular arc of radius with angles what are the magnitude and direction of the net electric field produced at the center of the axis
Without more information on the specific arrangement of electrons and protons, it is not possible to determine the magnitude and direction of the net electric field produced at the center of the axis. The electric field is determined by the distribution of charges and their relative positions.
What is an electric field?
An electric field is a force field that surrounds an electric charge, which exerts a force on other charges within the field. The strength of the electric field is represented by the electric field strength (E) and is measured in units of newtons per coulomb (N/C). The direction of the electric field is defined as the direction that a positive test charge would be pushed or pulled if placed in the field. The magnitude of the electric field at any point in space is defined as the force experienced per unit charge, at that point. Electric fields can be created by a variety of sources, including stationary charges, moving charges, and changing magnetic fields.
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while in europe, if you drive 113 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car's gas mileage is 32.0 mi/gal ? assume that 1 euro
The 80.50 dollars would you spend on gas in one week if gas costs 1.10 euros per liter and your car's gas mileage is 32.0 mi/gal.
One mile is how many kilometres?To convert a given amount expressed in terms of unit miles to unit kilometres, use the miles to km formula. There are 1.6 kilometres in a mile.
What is a euro?The currency and monetary unit of the European Union is the euro, denoted by the sign €. Prior to being released as currency notes and coins in 2002, it started out as a noncash monetary unit in 1999. The national currencies of participating EU members and certain non-EU states were replaced by the euro.
Calculation:
Total km so 113km per day for 7 days is 791 km.
Then we change 791km to miles = 491.211 miles.
Since the car is 32 miles per gallon we divide 491.211/32= 15.35 gallons.
We change gallons to liters so we have 15.35gal x 3.785L= 58.09 L
At 1.10 euros per liter is 58.09 x 1.10 = 63.89 euros.
Assume 1 euro =- 1.26 dollars
Change euros to dollars 63.89 x 1.26 = 80.50 dollars.
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n electrostatic paint sprayer has a 0.12 m-diameter metal sphere at a potential of 25.0 kv that repels charged paint droplets onto the object to be painted, which is grounded (electric potential of 0). (a) what charge is on the sphere? recall that for a spherical distribution of charge, the potential is exactly equivalent to the situation where all the charge is concentrated at the center of the sphere.
The charge on the sphere is equal to the product of the potential (25.0 kV) and the capacitance of a sphere (4πε0R).
What is the charge ?
The charge is the amount of money that a person is required to pay for a service or product. It is usually a fee that must be paid to access or use a service or product. In the case of a criminal charge, it is the amount of money that a person is required to pay in order to be released from jail or prison after being charged with a crime. Charges can also be fees charged by a business or organization for a service or product, such as a membership fee.
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If the net force applied by the truck ramp in the previous question is -300,000 N, how far along the ramp will the truck move as it stops?
The distance travelled by the truck before coming to a stop is 72.9 m.
What is the acceleration of the truck?
The acceleration of the truck is calculated by applying Newton's second law of motion as follows.
F = ma
a = F / m
where;
F is the net forcem is the massa = ( -300,000 ) / ( 60,000)
a = -5 m/s²
The distance travelled by the truck before coming to a stop is calculated as follows;
v² = u² + 2as
where;
v is the final velocity when the truck stops = 0u is the initial velocity of the trucks is the distance travelled0 = u² + 2as
0 = (27²) + (2)(-5)(s)
= (27²) - 10s
10s = 27²
s = ( 27² ) / 10
s = 72.9 m
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A block of mass m is launched by a spring of negligible mass along a horizontal surface of negligible friction. The spring constant of the spring is k. The spring is initially compressed a distance x₀. The block is released from rest. Some time after the block is released and travels in the direction shown in the figure, the spring compression is [tex]x_f[/tex]. Which of the following mathematical calculations can a student use to determine the speed [tex]v_f[/tex] of the block at this new position?
the spring constant of the spring is k. the spring is initially compressed a distance x0. the block is released from rest.
What is distance and velocity?Velocity is the measure of the amount of distance an object covers in a given amount of time. Here's a word equation that expresses the relationship between distance, velocity and time: Velocity equals distance travelled divided by the time it takes to get there.
Is distance equal to speed?Speed = Distance/Time – This tells us how slow or fast an object moves. It describes the distance travelled divided by the time taken to cover the distance. Time = Distance / Speed, as the speed increases the time taken will decrease and vice versa.
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Use the motion map to answer the question. A motion map. The position line is a long black arrow pointing right, labeled x. Above the line are 2 dots with a vector pointing away from x that start at x, each one shorter. Above that are two yellow vectors pointing toward x, each positioned to the left of a dot. A vertical row of 3 black dots appear in the center of the position line, where the bottom dot is aligned with the yellow arrows and the top dot has a vector pointing away from the origin. There is one other dot with a longer vector arrow to the right of the top dot. Above this line are 2 yellow arrows pointing away from the origin. Which scenario could be represented by the motion map
The motion map could represent a situation in which a car is accelerating to the right, then slowing down, and then speeding up again.
What is the motion ?
Motion is the action or process of moving or being moved from one place to another. It is a fundamental concept in physics that describes a change in position over time. Motion can be explained with the use of Newton's laws of motion and can be mathematically described by equations of motion. Motion can be observed in everyday life, such as the motion of a car, a ball falling to the ground, and the motion of a pendulum. Motion is an integral part of many scientific fields, including physics, chemistry, astronomy, and mathematics. Motion can also be studied in art, literature, and music.
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At time t ! 0, a ball is struck at ground level and sent over level ground.The momentum p versust during the flight is given by Fig. 9-46 (with and ). At what initial angle is the ball launched
The graph leads us to conclude that the horizontal velocity of momentum is 4.0 kg/m/s. Additionally, the momentum's initial magnitude, p0, is 6.0 kg/m/s.
In physics, what is a momentum?
Momentum is characterised as the intensity of a body's motion.As momentum depends on both velocity and the orientation of the body's motion, it is quantified by "mass velocity". Since motion is a vector and mass is a scalar, momentum is a vector. Mass times speed equals momentum.
What does the word "momentum" mean?
Momentum can be viewed as a body's "power" while it is moving, or the amount of force it can exert on another body. For instance, a fastball (small mass) thrown quickly has the same inertia as a bowling ball (big mass) going extremely slowly (low velocity) (high velocity).
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The volume of a block of iron is 9 cc and its mass is 70.83 g. What would be the volume of a block of aluminum that has the same mass as the block of iron? (The density of aluminum is 2.70 g/cc).answer choices24.30 cc26.23 cc70.83 cc191.24 cc
The volume of a block of aluminum that has the same mass as a block of iron would be 26.23 ccs.
To find the volume of a block of aluminum that has the same mass as a block of iron, we need to use the formula:
Density = Mass/Volume
Given that the density of aluminum is 2.70 g/cc, we can find the volume by rearranging the formula:
Volume = Mass/Density
Since the mass of the block of iron is 70.83 g, we can substitute this into the formula:
Volume = 70.83 g / 2.70 g/cc = 26.23 cc
So the volume of a block of aluminum that has the same mass as the block of iron would be 26.23 ccs.
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what is the magnitude e of the electric field at the point on the x axis with x coordinate a/2?
According to Coulomb's law, the electric field's strength is provided by the formula E1=KQ[tex]_{2}[/tex] =Kq[tex]_{1}[/tex], where Q is the source charge on the x-axis.
The electric field's size is determined by the equation E = F/q, where E is the electric field's strength, F is the electric force, and q is the test charge being used to "feel" the electric field.
The force that a unit positive charge applied to a given site would experience is known as the electric field intensity. A vector quantity is electric field intensity. 'E' stands for it. Electric field is calculated as F/q. The direction of the electric field is straight toward a negative point charge and straight away from a positive point charge.
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what is the magnitude of the gravitational force of attraction between two 0.425 kilogram soccer baalls
Two 0.425 kilogram soccer balls are attracted to one another by a gravitational force with an intensity of [tex]F =4.82*10^{-5}[/tex].
We must apply the equation shown below to calculate the gravitational force (F), All objects with mass are attracted to one another by the gravitational attraction, which has a magnitude that is directly proportional to the masses of the two objects and inversely proportional to the square of their distance from one another.
Therefore, the only unit left is meters kilograms per second squared, which is equal to newtons. Therefore, the gravitational force between the Earth and the Moon is 1.98 x 10^(-20) newtons.
Here magnitude in terms of force:
[tex]F=Gm_{1} m_{2}/r^{2} \\F = (6.67*10^{-11} * 0.425* 0.425)/0.5^{2} \\F =4.82*10^{-5}[/tex]
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a 10kg block with an initial velocity of 10m/s slides 10m across a horizontal surface and comes to rest. it takes the block 2 seconds to stop. the stopping force acting on the block is about:
The block is stopped by an opposing stopping force of roughly 50 N over a horizontal surface, and it comes to rest.
What is the scientific definition of force?The concept of "force" has a specific definition in science. This kind of force may be represented as both a push and a pull. It cannot hold an item or a force, nor can it hold a force.
Which forces are there?These sorts of forces are there whenever two things interact and work together. Contact forces can include, but are not limited to, tension, normal, air resistance, applied, and spring forces.
v² - u² = 2as
(0)² - (10)² = 2 × a × 10
-100 = 20a
a = -100/20
a = -5 m/s²
Acceleration (a) = -5m/s²
Now,
Force (F) = Mass(m) × Acceleration (a)
F = m × a
F = 10 × -5
F = -50 N
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the hanging mass is referred to as m and it sets the centripetal force. T/F
The given statement that hanging mass is referred to as m and it sets the centripetal force is, false.
What's Centripetal force?Centripetal force is the force acting on an object in curvilinear shifting directed towards the axis of rotation or centre of curvature. Any shifting in a bending path represents accelerated motion, and requires a force directed toward the center of curve of the path.
The centripetal force is delivered by the tension in the string, not the hanging mass. The hanging mass, m, creates a gravitational force pulling downward, but it's the tension in the string pulling the mass towards the center of the circle that provides the centripetal force.
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Unpolarized light with intensity 350 W/m^2 passes first through a polarizing filter with its axis vertical, then through a second polarizing filter. It emerges from the second filter with intensity 126 W/m^2 .What is the angle from vertical of the axis of the second polarizing filter? Express your answer to two significant figures and include the appropriate units.
The angle from vertical of the axis of the second polarizing filter is found to be be 32.9°.
Why would you use a polarizing filter?Your camera's polarizing filter reduces sparkling reflections. The same principles apply to polarising sunglasses. Your eyes are shielded from glare from the road or water by polarising sunglasses. Sunglasses that are polarising can be identified. When unpolarized light strikes a polarizer, the amount of polarised light that emerges is half that of the unpolarized light that struck the polarizer in the first place.
=> I1= 350/2 = 175 w/m2.
I2 = I1 cos^2 Ф
Ф=> cos^-1 (sqrt (I2/I1))
=> cos^-1 (sqrt(126/175))
=> 32.9°.
What components make up unpolarized light?Short electromagnetic wave bursts released by several atoms make up unpolarized light. Similar to polarized light, these bursts' electric field directions are random around the wave's path of travel but perpendicular to it.
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a football player can accelerate at 2 m/s2. if he starts from rest, how long will it take him to travel 16 m?
It will take 8 m/s to travel the distance.
What is acceleration?The rate at which an object's velocity with respect to time changes is referred to as acceleration in mechanics. It is a vector quantity to accelerate (in that they have magnitude and direction).
The direction of the net force acting on an object determines the direction of its acceleration. According to Newton's Second Law the amount of an object's acceleration is the combined result of two causes:
According to the materials used to make the object, the magnitude of the net balance of all external forces acting on it is inversely proportional to its mass, but the magnitude of the net resulting force is directly proportional to the net force.
Therefore, It will take 8 m/s to travel the distance.
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if the object is pushed a distance d and then pushed back to orgiinal position, what is the work done by frication
The work done by friction is μNd.
what is wotk done?
Work done is the amount of energy transferred by a force to an object when it moves through a distance.
It is calculated by multiplying the force applied to the object by the distance it moves.
Work done is measured in joules (J) and is represented by the equation W = F x d.
Work done by friction = Force x Distance
= Friction coefficient (μ) x Normal Force (N) x Distance (d)
= μNd
Therefore, The work done by friction is μNd.
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The “street” automobile with the greatest acceleration is the Tempest. It has an acceleration of 7 m/s2. Suppose the car accelerates from rest to a final speed of 28 m/s. How long does it take the Tempest to reach this speed?
The time required for the car to accelerate from rest to a speed of 28 m/s is 4 seconds.
What is Acceleration?Acceleration is the rate of change of velocity of an object with respect to the time taken. An object's acceleration is the net result of any and all the forces which are acting upon the object, as described by the Newton's Second Law of Motion. The SI unit for acceleration is meter per second square (m/s²).
Acceleration is the rate of change in the velocity of an object.
a = (v-u)/t
a = 7m/s²
v = 28m/s
u = 0m/s
t = ?
t = (v-u)/ a
t = (28-0)/ 7
t = 28/ 7
t = 4 sec
The time taken to reach the speed of 28 meter per second is 4 seconds.
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an antitank gun is located on the edge of a plateau that is 60m above the surrounding plain. during a training exercise, an enemy tank a placed stationary on the plain and at a horizontal distance of 2.2 km from the gun. the cannon is set to an angle of 300 above the horizontal. a. a practice round is shot, and the round reaches the apex its path of travel after 12.24 s. calculate the muzzle velocity of the cannon. b. in the second training exercise, the cannon is locked into an angle of 100 above the horizontal. calculate how far away from the cliff's edge the cannon will hit. c. and this time, the tank begins to accelerate away from the gun with an acceleration of 0.9 m/s2 . calculate how long should the crew wait before firing in order to hit the tank.
An anti-tank cannon is situated 60 meters above the surrounding plain, on the edge of a plateau. An adversary tank was positioned at 89.44° during a practice exercise.
What distinguishes surrounding from around?The focus of attention is on the individual who is surrounded: "The audience gathered around the magician as he worked his magic." To be around something is to be close to it.
Calculation
In situations like this air resistance are usually been neglected thereby
making g= 9.81 m/
Bring out the given parameters from the question:
Initial Velocity () = 1000 m/s
Target distance (d) = 2000 m
Target height (h) = 800 m
Projection angle ∅ = ?
Horizontal distance = tcos ∅ .......................... Equation 1
where = velocity in the X - direction
t = Time taken
Vertical Distance = y = t - g ................... Equation 2
Where = Velocity in the Y- direction
t = Time taken
= sin∅
Making time (t) subject of the formula in Equation 1
t = d/(cos ∅)
t = = = ...................Equation 3
substituting equation 3 into equation 2
Vertical Distance = d = - g
Vertical Distance = h = sin∅ - g
Vertical Distance = h = dtan∅
- g Applying geometry
= + 1
Vertical Distance = h = d tan∅ - 2 g ( + 1)
substituting the given parameters
800 = 2000 tan ∅ - 2 (9.81)( + 1)
800 = 2000 tan ∅ - 19.6( + 1) Equation 4
Replacing tan ∅ = Q .....................Equation 5
In order to get a quadratic equation that can be easily solve.
800 = 2000 Q - 19.6 + 19.6
Rearranging 19.6 - 2000 Q + 780.4 = 0
= 101.6291
= 0.411
Inserting the value of Q Into Equation 5
tan ∅ = 101.63 or tan ∅ = 0.4114
Taking the Tan inverse of each value of Q
∅ = 89.44° ∅ = 22.37°
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This table displays information about position and time. What was the average speed of the baseball from the time it left the pitcher's hand to the time it was 7. 2 m from the pitcher's hand? question 10 options: 25. 7 m/s 50. 7 m/s 30. 2 m/s 20. 5 m/s.
The baseball moved at an average speed of 25.7 m/s from the moment it left the pitcher's hand until it was 7.2 meters away. As a result, choice (A) is the right response.
The object's average speed is the total distance it travels in a predetermined amount of time. It has a scalar value. It is characterised by the magnitude and lacks direction. You can calculate it by dividing the total distance travelled by the total amount of time needed to travel that distance.
Following are the calculations for baseball's typical speed:
the distance the ball travelled is 7.2 metres
the time taken is 0.28 seconds
Speed = Distance/Time.
Speed =7.2/0.28
=> 25.7 m/s.
Consequently, the baseball's average speed from the moment it left until it arrived was 25.7 m/s.
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why do scientists suspect that most of our galaxy's mass consists of dark matter? drag the terms on the left to the appropriate blanks on the right to complete the sentences.
It is because there is too much gravity for the physical mass in the cosmos to account for, which implies that secret (dark) mass-adding must be taking place to fill in the missing mass and explain the gravity level of the universe.
What materials makes up dark matter?Dark matter can't be found by measuring electromagnetic radiation since its particles don't absorb, reflect, or emit light. Material that cannot be immediately observed is known as dark matter. Due to the impact it has on directly visible objects, we are aware that dark matter exists.
What occurs if dark matter collides with Earth?Dark matter particles have the ability to pass through all other types of matter, which suggests that they may even be able to pass through our globe without losing any energy at all. On the other side, their collision with the common material that makes up Earth could cause them to suffer a minor setback and lose some energy.
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Can anyone help me in this question
Answer:
a. 300 Ω
b. 0.01 A
Explanation:
a. since they are connected in series, the total resistance is equal to sum of both resistors
R' = 100Ω + 200Ω
R' = 300Ω
b. current = voltage/resistance
I =[tex]\frac{3}{300} = \frac{1}{100}[/tex] = 0.01
Part A
What is the mean free time between collisions for electrons in an aluminum wire?
= _____________ s
Wrong answers: 6.97*10^-9 and 1.26*10^-9
Part B
What is the mean free time between collisions for electrons in an iron wire?
=______________ s
Wrong answers: 1.40*10^-9 and 3.67*10^-10
The mean free time between collisions for aluminum wire is
1.62 * 10^-20 s and the mean free time between collisions for Iron is
1.68 * 10^-20 s.
What are electrons?Electrons are subatomic particles that carry a negative electrical charge. They are found outside the nucleus of an atom and are responsible for chemical reactions, electrical conductivity, and magnetism.
The mean free time between collisions for electrons in a metal wire can be calculated using the mean free path (λ) and the electron density (n) of the metal. The mean free time between collisions is given by the equation:
τ = λ / v
Where τ is the mean free time, λ is the mean free path, and v is the velocity of the electrons.
Using the formula, we can calculate mean free path:
λ = 1 / (n * σ)
Where σ is the collision cross-section, which is a measure of how likely it is for an electron to collide with an atom in the metal.
For aluminum, the mean free path is approximately:
λ = 1 / (n * σ) = 1 / (8.49 * 10^28 * 2.82 * 10^-15) = 3.51 * 10^-14 m
For aluminum, the mean free time between collisions is:
τ = λ / v = 3.51 * 10^-14 m / (2.18 * 10^6 m/s) = 1.62 * 10^-20 s
For Iron, the mean free path is approximately:
λ = 1 / (n * σ) = 1 / (8.05 * 10^28 * 2.82 * 10^-15) = 3.65 * 10^-14 m
For Iron, the mean free time between collisions is:
τ = λ / v = 3.65 * 10^-14 m / (2.18 * 10^6 m/s) = 1.68 * 10^-20 s
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Part A What is the strength of the magnetic field at the center of the loop in the figure? (Figure 1) Express your answer to two significant figures and include the appropriate units.B= Value SubmitProblem 32.48 Assume that I=4.8A and d = 1.6cm.
The equation B=μ0I/2R, where R is the loop's radius, describes how strong the magnetic field is in the loop's center. The direction of the field with regard to the loop is provided by RHR-2. so, B= [tex]9.65097263\times10^{-6}[/tex]
The magnetic field strength is one of two metrics used to describe a magnetic field's intensity.
Technically, a difference is made between magnetic field strength H, measured in amperes per meter (A/m), and magnetic flux density B, commonly known as teslas, measured in Newton-meters per ampere (Nm/A) (T).
The magnetic field is depicted by magnetic field lines. The field strength and the density of the field lines are correlated.
The total number of magnetic field lines in a particular area is known as the magnetic flux.
B=[tex]=4\Pi \times 10^{-7}\times 4.8 \times 1.6[/tex]
B= [tex]9.65097263\times10^{-6}[/tex]
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a hypothetical planet has a mass of twice that of the earth and a radius of four times that of the earth. what is the acceleration due to gravity on the planet in terms of g, the acceleration due to gravity at the earth?
The acceleration due to gravity on the planet will be 8g.
What is gravity?Gravity is the force of attraction between objects that is exerted by the masses of those objects. It is the weakest of the four fundamental forces in nature and is most noticeable when two objects of significant mass interact. On Earth, gravity is what keeps us firmly rooted to the ground and is what causes objects to fall when we drop them. It is also what causes the moon to orbit around the Earth and the planets to orbit around the sun.
This is because the acceleration due to gravity is directly proportional to the mass of a body and inversely proportional to the square of its radius. This means that if the mass of a body is doubled and its radius is quadrupled, the acceleration due to gravity will be 8 times the acceleration due to gravity at the Earth.
Therefore, the acceleration due to gravity on the planet will be 8g.
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The acceleration due to gravity on the planet will be g/8
What is gravity?Gravity is the force of attraction between objects that is exerted by the masses of those objects. It is the weakest of the four fundamental forces in nature and is most noticeable when two objects of significant mass interact. On Earth, gravity is what keeps us firmly rooted to the ground and is what causes objects to fall when we drop them. It is also what causes the moon to orbit around the Earth and the planets to orbit around the sun.
This is because the acceleration due to gravity is directly proportional to the mass of a body and inversely proportional to the square of its radius.
As we know,
Charge (q) = GM/R²
Here, R = radius of the planet
M = mass of the planet
G = Gravitational constant
Now, after putting the values we get:
q = (G × 2me) / (4ve)²
or, q = 1/8 (Gme/ve²)
or, q = 1/8 × g
Therefore, the acceleration due to gravity on the planet will be g/8
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drag the labels onto the diagram to identify the components of replicating dna strands. A.Parental DNA
B. DNA polymerase
C. Leading strand
D. Lagging Strand
E. DNA ligase
F. Replication Fork
A DNA fork is a structure that forms during DNA replication. The double helix structure of DNA needs to be unwound in order for replication to occur. The labeled diagram is attached below.
What is a replication fork?This unwinding takes place at a specific point on the DNA molecule called the replication fork. The replication fork is formed by the separation of the two complementary strands of the DNA double helix, and it acts as a template for the synthesis of new DNA strands. The replication fork is maintained by enzymes called helicases, which unwind the DNA, and primases, which add short RNA primers to the template strands. The process of replication continues as the two strands of DNA are separated and new nucleotides are added to each strand by DNA polymerase.
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The complete question is as follows:
for each of the situations given, state whether frictional forces do positive, negative, or zero work on the italicized object. hint (a) a plate slides across a table and is brought to rest by friction. positive negative zero (b) a person pushes a chair at constant speed across a rough, horizontal surface. positive negative zero (c) a box is set down on a stationary conveyor belt. the conveyor belt is then turned on and the box begins to move, being carried along by the belt. positive negative zero (d) a person exerts a horizontal force on a banana at rest on a counter top. the banana remains at rest. positive negative zero
Concept: If the (frictional) force and the displacement are the same, then the work will be positive and (a) and (b) have negative values. (c)has positive (d) has zero.
What does physics mean by displacement?An object's directional movement if it moves in relation to a reference frame, such as when a passenger moves to the back of an airplane or a lecturer moves to the right in relation to a whiteboard. Displacement describes this shift in location.
Can there be zero displacement?A body that goes a distance and then returns to its initial location has the same starting and ending points. In this case, the displacement is 0 but the distance covered is not. It is possible to have positive, negative, or even zero displacements.
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the ld50 of cupric sulfate is 300mg/kg. if a person weighs 100kg, how many grams of cupric sulfate would that person need to ingest to reach the ld50?
To attain the ld50, the individual would need to consume 30 grams of cuprous sulfate, according to the query.
What is weight in kg?The International Units System (SI) uses the kilogram (sometimes known as the kilogramme) as the mass measurement unit. It is a measuring unit that is widely used in research, engineering, and trade from around globe. Its meaning is "1,000 grams."
Do you meant 5 kilos or kgs?Since the metric (SI) system employs numbers rather than words, the sign for kilograms (kg) does not require a s when used in the plural. Cement weighs 25 kilograms each bag (not 25 kgs).
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a roller coaster ride at an amusement park has a radius of 7.5 m. at what velocity must the coaster be moving at the top of the loop in order for the passengers to stay in their seats as it reaches the top of the arch?
The velocity at the top of the loop will depend on the mass of the passengers and the shape of the loop. Assuming a circular loop and a typical passenger mass, the velocity must be at least 12.2 m/s.
What is the mass ?
A particular object's mass is a measurement of its amount of matter. It is typically expressed in grams (g) or kilograms (kg). Mass is a scalar quantity, meaning that it has no direction and is only expressed as a numerical value. Mass is an important concept in physics, particularly in the study of mechanics. Mass can be used to calculate an object's weight, which is the force of gravity on an object. Weight is a vector quantity, meaning that it has both a direction and a numerical value.
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a solid sphere, a solid cylinder, and a hollow cylinder are placed at the top of an inclined plane. if all are made of the same material and are released at the same time, which one will reach the bottom first? group of answer choices the solid cylinder. the sphere. the hollow cylinder.
The solid sphere will reach the bottom of the inclined plane first. The reason for this is that the sphere has the smallest surface area to volume ratio which means that there is less friction acting on it as it rolls down the incline.
Which moves more quickly, a sphere or a cylinder?Solid sphere moves more quickly than solid cylinder because it has a lower moment of inertia and more kinetic energy during translation. Comparable solid objects move more slowly than hollow ones.
Which reaches the bottom first, the cylinder or the sphere?If a cylinder and a sphere have the same mass and radius, the cylinder will have a greater moment of inertia due to its greater mass at its edges. Because the sphere's moment of inertia is smaller, it will move faster and arrive at the bottom first.
What causes a hollow cylinder to roll more slowly?The process by which potential energy (PE) is transformed into kinetic energy is the cause of the solid cylinder's faster descent than the hollow cylinder. Some of the PE is transformed to rotating kinetic energy (RKE), not simply linear kinetic energy, because the cylinder is rolling (LKE).
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31 Consider Earth to be stationary, and the Moon as orbiting Earth in a circle of radius R. If the masses of Earth and the Moon are Mg and MM respectively. which of the following best represents the total mechanical energy of the Earth-Moon system? (A s GM MM 2 R GMEM GMEM GM MM 2GMEMM (C)2R
2R is the best represents the total mechanical energy of the Earth-Moon system.
What term do you use instead of mechanically?The words automatic, impulsive, instinctual, and spontaneous are some typical substitutes to mechanical. While all of these terms refer to "doing or engaging without deliberate action," mechanical emphasizes how lifeless and frequently mechanical the response is. When mechanical may not be the best choice.
What does the term "technological thinking" mean?What does mechanical thinking entail? When pupils think mechanically, their brains just repeat thought loops without giving them any consideration. Children could automatically think, "I'm not strong at arithmetic," for instance. They simply remember it everytime they encounter a math problem.
Toral potential energy of earth and moon=-G*Me*Mm/R
Velocity of moon=sqrt(GMe/R)
Kinetic energy of moon=0.5*Mm*v^2=0.5*G*Me*Mm/R
Total energy=-GMe*Mm/2R
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a pendulum has a period of 6.00 seconds on earth. the gravitational acceleration on the surface of jupiter is 26 m/s2. determine the period of this pendulum on the surface of jupiter.
The period of this pendulum on the surface of Jupiter is 3.68 sec.
How is the acceleration due to gravity determined?An object is drawn toward the earth's core by the force of gravity. The acceleration brought on by gravity is 9.8 m/s2 on earth. The formula used to determine the acceleration brought on by gravity is g = GM/r2.
How are gravitational difficulties resolved?Using Newton's equations, we may determine the gravitational pull between two objects. F = G (M x m) / r squared, where M is the mass of one item, m is the mass of the other object, and r is the separation between the centers of the two masses, is the formula for Newton's law of gravitation.
Given:
Period of the pendulum on the Earth = T_e = 1.70 s
Gravitational Acceleration of the Earth = g_e = 9.8 m/s²
Gravitational Acceleration of the Mars = g_m = 3.71 m/s²
[tex]T_m=\sqrt{\frac{g_e}{g_m} } *T_e[/tex]
[tex]T_m=\sqrt{\frac{9.81}{26} } *6[/tex]
[tex]T_m=\sqrt{0.377} *6[/tex]
[tex]T_m=3.68s[/tex]
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