The magnet affected the block of material next to it because it exerts an attractive or repulsive force on other objects.
How do magnets affect other materials?Magnets do the retinue things: Attract certain materials, such as iron, nickel, cobalt, certain steels, and other alloys. apply an attractive or repulsive force on other magnets (opposite poles attract, like poles repel).
Magnetic forces are oblivious forces; they pull or push on objects without touching them. Magnets are only attracted to a few 'magnetic' metals and not all matter. Magnets are attracted to and repel other magnets.
So we can conclude that Materials with a magnetic field can attract other materials with such a field. Materials that are not magnets do not have a net outer magnetic field.
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One object has a mass of 8.5 × 10
11
kg. A second object has a mass of 1.93 × 10
8
kg. If the force between them is 337872N, what is the distance between these two objects?
180.0176 m is the distance between these two objects .
What is Gravitational force ?
Gravity, also called gravitational force in mechanics, is the universal force of attraction that acts between all matter. It is by far the weakest known force in nature and plays no role in determining the internal properties of everyday matter. It controls the orbits of objects in places, the structure and evolution of stars, galaxies, and the universe as a whole. On Earth, every object has a weight, or downward gravitational force, proportional to its mass, equal to the mass of the Earth acts on them. Gravity is measured by the acceleration it imparts to a free-falling object., Its velocity increases by about 9.8 meters per second. On the moon, the acceleration of a free-falling object is approximately 1.6 meters per second.
F = Gm1m2/r^{2}
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Mario rdoll a coin up a slope at 2 m/s. It travels 2.7 m, comes to a stop and rolls back down. What is the coin's acceleration?
The coin's acceleration is 0.37 m/s²
Acceleration is the rate of change of the velocity of an item with appreciation to time. Accelerations are vector portions. The orientation of an item's acceleration is given by the orientation of the net pressure appearing on that object.
Calculation:-
V² = U -2aS
a = U/2S
= 2/2×2.7
= 0.37 m/s²
Acceleration is the charge at which velocity modifications with time, in terms of each speed and route. A factor or an object moving in a straight line is accelerated if it quickens or slows down. movement on a circle is extended despite the fact that the rate is consistent because the course is continually changing.
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A wave is moving at a velocity of 8 km/sec with a frequency of 10 Hz.
Use the equation you rearranged to determine the wavelength of the wave.
Explanation:
arn core concepts.
See Answer
1) For a P wave with velocity of 8 km/s (typical upper mantle speed) in a Poisson solid,compute the wavelength for waves with periods of:
a) 15 sec
b) 1 sec
c) 0.1 sec (100 Hz)
2) Repeat question 2 for an S wave in the same medium (Hint: you have to determine the S wave speed).
In a high jump athletic event, the athletes are made to fall either on a cushioned bed or sand bed. Justify the statement.
Explanation?
To increase the time the athletes are made to fall either on a cushioned bed or sand bed
In order to increase the time of the athlete's fall to stop after making the jump. This decreases the rate of change of momentum and hence the force.
In a high jump athletic event, the athletes are made to fall either on a cushioned bed or sand bed to to increase the time of the athlete's fall to stop after making the jump . If the time elapsed increases , the force will decrease . Due to decreases of the rate of change of momentum , the force will decrease .
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A dog sits 2.2 m from the center of a merry- go-round.
a) If the dog undergoes a 1.6 m/s2 cen- tripetal acceleration, what is the dog’s linear speed?
Answer in units of m/s.
Answer:
2.2-1.6m/s2 then your got the answwr
In a simple parallel circuit
a. Current through each branch is always the same.
b. Voltage across each branch is always the same.
c. Value of each resistor is the same.
d. The circuit won't work unless there is a fuse in it.
e. None of the above.
Answer:
B
Explanation:
Potential difference across 2 parallel branches is the same.
Current may be different depending on different resistance within each branch
21. Each of the resistors in the diagram has a resistance of 122. The resistance of the entire circuit
is:
A. 5.762
Β. 25Ω
C. 480
D. 120Ω
E. none of these
What came first the color orange or the fruit?
Answer:
The fruit, orange, came first. The color was named after the fruit.
From the word "Orange" we know that it was used for the first time to refer to the fruit in the 13th century and it was not until 1542 when it began to be used to name the color.
(This was almost 300 years later)
¿What are oranges?It is known that oranges are the fruit of the sweet orange tree, which is a tree that belongs to the Citrus genus of the Rutaceae family.
¡Hope this helped!
Arunner Acar run 4.5m in 4.5 min. Another Tunner B. requires 6 min to Finish this distance If they start one to gether Far a Part Will they have be at the Finish of the race.
If both runner A and runner B start the race together, they will 1.125 m apart at the finish of the race
v = d / t
v = Velocity
d = Distance
t = Time
d = 4.5 m
For runner A,
t = 4.5 min
v = 4.5 / 4.5
v = 1 m / min
For runner B,
t = 6 min
v = 4.5 / 6
v = 0.75 m / min
Runner A finished the race first at 4.5 min. At that time the runner B will have covered,
0.75 = d / 4.5
d = 0.75 * 4.5
d = 3.375 m
Difference in distances = 4.5 - 3.375
Difference in distances = 1.125 m
Therefore, they will 1.125 m apart at the finish of the race
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You are running at a constant speed of 5.00 m/s on a level road, which is the typical average speed of a top Marathon runner. Assume the average friction and drag force is 45.0 N. How long does it take to burn off the energy in a slice of apple pie, which energy content is 1680 kJ (400 food calorie), in minutes?
The time taken to burn off the energy in a slice of apple pie, which energy content is 1680 kJ (400 food calorie) is 2.07 hours
W = F d
W = Work done
F = Force
d = Distance
W = 1680 KJ
F = 45 N
d = W / F
d = 1680 * 10³ / 45
d = 37.33 * 10³ m
d = 37.33 km
v = d / t
v = Velocity
d = Distance
t = Time
v = 5 m / s
t = d / v
t = 37.33 * 10³ / 5
t = 7.46 * 10³ s
t = 2.07 hr
Therefore, the time taken to burn off energy is 2.07 hours
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what is the momentum of a bowling ball whose mass is 4 0 kg rolling at a rate of 2 5 ms
The overall momentum of the ball is 100kgm/s.
The impact on the induced velocity in the propeller plane is most pronounced close to the blade tips. The original blade element momentum theory does not account for the effect of vortices emitted from the blade tips into the slip stream on the induced velocity field. The induced velocity dispersion along the propeller is greatly influenced by these tip vortices, which produce a number of helical structures in the wake. It uses a tip-loss or correction factor, F, to make up for this shortcoming.
[tex]P= Mv\\\\P=25 * 4\\\\P=100Kgm/s[/tex]
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which would be harder to stop a rolling ball or an airplane taking off why
It's harder to stop the airplane taking off.
According to the Newton's third law is for every action, there's an equal and contrary response. The statement means that in every commerce, there's a brace of forces acting on the two interacting objects.
The size of the forces on the first object equals the size of the force on the alternate object.
When we try to stop the object, the same object will ply an contrary force on us.
As we know that force = mass x acceleration.
In these two cases,
The mass of airplane is further than rolling ball and the acceleration by which the airplane takes off is veritably much high than that of a ball.
The force wielded by the airplane will be further than the force applied by the ball.
Thus, it's harder to stop an airplane taking off than the rolling ball because the force applied to stop airplane will be advanced than the ball.
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2 An elephant weighs 60600N. It stands on four feet. Each foot has an area of
0.1 m? Calculate the pressure the elephant exerts on the ground
A 200 N object is resting on a surface with a coefficient of static friction equal to 0.15. A person pushes horizontally with a force of 20 N. Calculate the magnitude of the force of friction.
Answer:
20 N
Explanation:
the force of static friction maximum = Fn * .15 = 200 * .15 = 30 N
the force of friction will cancel out the 20 N force applied
Ff = 20 N
9. Approximately how much kinetic energy does an object have from its
motion if its mass is 150-kg and it is moving at a speed of 5.0 meters per
second?
A. O 400 J
B. O 1,900 J
C. O 3,800 J
D. O 57,000 J
1875 N*m an object have from its motion if its mass is 150-kg and it is moving at a speed of 5.0 meters per second.
The correct option is E.
What is kinetic energy?The power an object has as a consequence of motion is known as kinetic energy. A force must be applied to an object in order to accelerate it. We must put in effort in case of applying a force. After the work has been finished, energy is transferred to the item, which further moves at a new, constant speed.
Who discovered kinetic energy?The idea of kinetic energy was first proposed in 1849 by William Thompson, who subsequently rose to the position of Lord Kelvin. The amount equal to one-half the object's mass times the square of its velocity is now what we refer to as the kinetic energy of an object.
Briefing:KE = 1/2*m*v²
KE = 1/2*150kg*(5 m/s)²
KE = 75kg * 25m²/s²
KE = 1875 kg*m²/s²
KE = 1875 N*m
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The complete question is -
Approximately how much kinetic energy does an object have from its
motion if its mass is 150-kg and it is moving at a speed of 5.0 meters per
second?
A. 400 J
B. 1,900 J
C. 3,800 J
D. 57,000 J
E. 1875 J
In the equation for specific heat capacity, temperature is measured using the units degrees __________. What word completes the sentence? Give the full name, not the symbol.
Answer:
Celsius
Explanation:
...or centigrade
What is the momentum of a 6.0 kg bowling ball with a velocity of 2.2 m s?
The correct answer is 13.2 kgm/s
In the question we are given,
Mass = 6 kg
Velocity = 2.2 m/s
According to the Newton's second law of motion it states that the momentum is the product of mass and the velocity of the particle. This Momentum can be said as the measure of motion of the object. It is a vector quantity and it has both magnitude and direction. It can be transferred. As the momentum of the system is conserved when no external force is applied on the system.
In this case,
Momentum (p) = mv
Here,
m = mass
v = velocity
Momentum = 6 * 2.2
Momentum = 13.2 kgm/s
Therefore, the momentum of the 6 kg ball moving with velocity of 2m/s is 13.2 kgm/s.
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A person’s body temperature is 101.60F, indicating a fever of 3.00F above the normal average body temperature of 98.60F. How many degrees above normal is this body temperature on the Celsius scale?
Answer:
1.67 degrees C
Explanation:
5/9 * 3 = 15 /9 = 1.67
1.67 degrees above normal is this body temperature on the Celsius scale
What is temperature ?
A measure of temperature, heat or cold, expressed on one of several arbitrary scales that indicate the direction in which heat energy naturally flows. H. From hot body (high temperature) to cold body (low temperature). temperature). Temperature is not equivalent to energy in a thermodynamic system. For example, a burning match has a much higher temperature than an iceberg, but the total heat energy contained in the iceberg is much greater than the energy contained in the match. Temperature, like pressure and density, is called a lumped property (a property that does not depend on the amount of matter of interest), as opposed to a broader property such as mass or volume.
180 degree on Fahrenheit scale = 100 degree on Celsius scale
3 degree on Fahrenheit scale = 100*3/180 degree on Celsius scale
= 1.67 degree Celsius
1.67 degrees above normal is this body temperature on the Celsius scale
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How is the scientific method applied in both physics and chemistry
Answer:It involves making observations on the phenomenon being studied, suggesting explanations for the observations, and testing these possible explanations, also called hypotheses, by making new observations. A hypothesis is a scientist's proposed explanation of a phenomenon which still must be tested.
Explanation:
Answer: they both observations and test hypotheses.
Explanation:
Because the scientific method involves observing the phenomenon being researched, putting up explanations for the observations, and testing hypotheses, it is employed in both physics and chemistry.
A 19.00 kg particle starts from the origin at time zero. Its velocity as a function of time is given by v with arrow = 7t2î + 3tĵ
where v with arrow is in meters per second and t is in seconds. (Use the following as necessary: t.)
(a) Find its position as a function of time.
The position vector as a function of time is given as; [tex]r = \frac{7}{3} t^{3} i + \frac{3}{2} t^{2}[/tex]
What is the position?We know that the position of an object can be obtained as the integral of the position of the object. In this case, we have the vector given as; v = 7t^2î + 3tĵ.
We would then need to integrate the velocity vector as a function of t (time) and then obtain the position of the object as a function of time.
Going about this, we would have;
v = [tex]\int\limits^t_0 {7t^{2}i + 3tj } \, dx[/tex]
When we carry out the integration we are left with the position r as;
[tex]r = \frac{7}{3} t^{3} i + \frac{3}{2} t^{2}[/tex]
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Shelley gives her little sister a 5-meter head start in a bike race. The race ends 15 meters east from where Shelley started. If her little sister completes the race in 5 seconds, what is her sister’s average velocity? (Round your answer to the nearest whole number.)
1 m/s east
2 m/s east
3 m/s east
4 m/s east
The sister’s average velocity is 2m/s east. Option B.
Shelly gives her sister a 5-meter lead in the bike race, and the race ends 15 meters east of Shelly's starting point. It takes 5 seconds for my sister to finish the race. Average velocity is calculated by dividing displacement by total time. Average speed is calculated by dividing the total distance traveled by the total time.
calculation:-
Total distance Shelly's sister traveled = 15- 5 = 10
time = 5sec
velocity = displacement / time
= 10/2
= 5 m/s east.
Average acceleration represents the rate at which velocity changes. Divide the change in velocity by the elapsed time to find the average acceleration of something. Velocity is the speed at which the position changes. Average velocity is the rate of change in displacement or position over time. The difference between velocity and relative velocity is that velocity is measured with respect to a reference point relative to another point.
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Why can we neglect forces such as those holding a body together when we apply Newton’s second law of motion?
Newton's 2nd law which applies to external forces acting on a system. The forces which are holding a body together are internal forces. According to Newton's 3rd law, for every internal force that is acting on the system there will be and equal and opposite force acting on the system. These 2 forces will "cancel" (the vector sum will be zero), so they will not cause acceleration (according to 1st law).
Newton's laws of motion are 3 basic legal guidelines of classical mechanics that describe the relationship between the motion of an object and the forces acting on it.
Newton legal guidelines inform us precisely how matters flow or sit still, like why you don't drift off the bed or fall via the floor of your own home. Newton's laws manipulate how cars work, how water flows, how buildings do not fall down, and essentially how the everything moves around us.
The Newton's three laws of motion are law of Inertia, law of Mass and Acceleration, and the 3rd regulation of movement. outside force.
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What are the main themes of "The Hill We Climb"? Choose three correct answers.
-Nothing matters more than power.
-Nations develop and grow over time.
-Patriotism is the most important ideal.
-Everyone must be equal in a democracy.
-America is a land of many different people.
-nation draws strength mainly from its past.
The main themes of "The Hill We Climb" are the development and growth of nations over time.
What is the meaning of The Hill We Climb?The challenge of creating a fairer, more libertarian, and better America is represented by the poem's title's hill. The poem suggests that for Americans to "climb" this hill, they must acknowledge its steepness.
American poet Amanda Gorman wrote the spoken word poem "The Hill We Climb," which she recited on January 20, 2021, at Joe Biden's inauguration in Washington, D.C.
An inspiring call to action, The Hill We Climb by Amanda Gorman was released on Inauguration Day and emphasizes themes of resiliency, hope, and community. In this lesson plan, students concentrate on these concepts and consider how their own unique viewpoints and experiences can help America "forge a union with purpose."
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Answer:
B, D, E
Explanation:
battery
connected to a light bulb.
Based on potential energy,
which direction should the
current flow?
how does bluetooth work
Bluetooth works through radio waves in the ISM band, that is, they work by radio frequency. For that use the wireless networks of personal area (WPAN).
What is bluetooth?Bluetooth is a form of communication that works through radio waves by which there can be a transfer of data such as music, documents, images, etc. It works at a short distance so the devices must be close for the data transfer to occur correctly
Therefore, we can confirm that Bluetooth works through radio waves in the ISM band, that is, they work by radio frequency. For that use the wireless networks of personal area (WPAN).
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Is the following an example of an analogy, a generalization, or neither?
"Professor Moriarty of mathematical celebrity...is the Napoleon of Crime." ~Sherlock Holmes
A. Analogy
b. Generalizations
C. Neither
"Professor Moriarty of mathematical celebrity...is the Napoleon of Crime." ~Sherlock Holmes is option C: Neither.
What is Generalizations?A generalization is when something specific is used more widely. Saying that all dogs chase squirrels is a generalization. A generalization is when you take one or a few facts and turn them into a more broad-based, universal claim.
It is when you say something about all or most of the people or objects at once. For instance, every angel has wings. - Cereal is a common breakfast choice for adult.
Note that a successful analogy strikes a balance between two opposing objectives: recognizability as well as representativeness. The best analogies are well known. They use a well-known concept to describe an abstract thought. Example" You have to be as busy as a bee to obtain good grades in high school," she said, "She's as blind as a bat." Thus the statement above is neither the both of them.
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An airplane is flying with a force of 800 N. It experiences a force of air resistance of 40 N and a wind force of 60 N, both acting in the opposite direction that the plane is traveling. What is the net force on the airplane?
A) 700 N
B) 900 N
C) 840 N
Answer:
Explanation:
The net force on the airplane:
R = 800 - 40 - 60 = 700 N
Q. You've connected a cable certifier to an RJ45 wall jack, and the output shown below is displayed on the device What does this output indicate? (Select two.)
This is a straight-through cable.
The cable is functioning correctly.
This is a crossover cable.
There are multiple open pins on this cable.
There are multiple shorts on this cable.
The given output indicates that it is a crossover cable and cable is functioning correctly. Therefore, options (B), (C) are correct.
What is crossover cable?A crossover cable is a cable that is used to connect computing devices together directly. This cable can be used to connect two devices of the same type such as two computers or two switches to each other. By contrast, straight-through patch cables can be used to connect devices of different kinds.
The crossover cable can intentionally connect to transmit signals at one end to the receive signals at the other end.
Network devices support auto MDI-X capability, wherein a patch cable is used in place of a crossover cable, and the receive and transmit signals are reconfigured within the device to yield a working connection.
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The space-time coordinates of two events 1 and 2 in a frame S are x,= 24 m, t, = 8 x 10s and x, = 48 m, t, = 4 x 10s. Find the velocity of the frame S' in which both the events occur simultaneously.
The velocity of the frame S' is 0.3 m/s.
What is reference frame?In dynamics, a reference frame—also known as a frame of reference—is a set of graduated lines that are symbolically attached to a body and used to describe the position of points in relation to it at perticular instant of time.
Given parameters:
The space-time coordinates of two events 1 and 2 in a frame S are: x₁= 24 m, t₁ = 8 x 10s and x₂ = 48 m, t₂ = 4 x 10s.
Hence, space difference between two events in frame S is: x₂ - x₁ = 48m - 24 m = 24 m.
Time difference between two events in frame S is: t₂ - t₁ = 4 x 10s - 8 x 10s = - 4×10 s.
As in the frame S' in which both the events occur simultaneously:
x₂ - x₁ = v | t₂ - t₁| { where v = velocity of the frame S'}
⇒ 24 = v ×4×10
⇒ v = 0.3 m/s.
Hence, the velocity of the frame S' is 0.3 m/s.
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a moving car with a mass of 1524 kg has a momentum of 18000 kg ms what is its average velocity
The overall velocity is 11.81102362m/s.
PrincipleWhen describing the state of motion of an object with a mass that is not zero, momentum is the term used.Any moving object can therefore be affected by momentum.Momentum is defined as p=mv where m is the mass of an object and v is its speed of motion.Momentum is a vector because it is regarded as a component of velocity.This means momentum has a significant magnitude and direction, with the direction of momentum denoted by a vector or an arrow.An object has momentum, for instance, when it is moving at a specific speed and has a certain mass. The moment the ball strikes a wall, it comes to rest and gives the wall its momentum.As a result, momentum is always conserved. This is Law of conservation of momentum.Calculations-[tex]p=Mv\\\\v=p/M\\\\v=18000/1524\\\\v=11.81102362m/s[/tex]
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