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Momentum and Collisions In an elastic collision both momentum & KE are conserved. In inelastic collisions momentum is conserved but KE is not. Explain what happens in an inelastic collision that makes the difference, and where does the energy go?
In lab you find that a 1-kg rocksuspended above water wights 10 N. when the rock issuspended beneath the surface of the water , the scale reads8N.
To stretch a certain spring by 2.20 from its equilibrium position requires 7.00 of work. What was the maximum force required to stretch it by that distance
If energy were conserved in each collision, what would you expect the ratio of the total kinetic after the collision to the total kinetic energy before the collision to be? Are there anyof your collisions where energy is not conserved? Is this exp..
A hollow insulating sphere with an inner radius of 9.04 cm and an outer radius of 14.7 cm has a uniform charge density of 78.7 µC/m3 distributed, What "charge enclosed" should we use
In an echolocation lab, a student measures the time from the first click of the fingers to the first echo to be 0.0062. what should the student calculate for the length of the tube
In 1911, Ernest Rutherford discovered the nucleus of the atom by observing the scattering of helium nuclei from gold nuclei. How close will the helium atom come to the gold nucleus
A charge of 6.53mC is placed at each corner of a square .470 m on a side. Determine the magnitude of the force on each charge. Determine the direction of the force on each charge.
Jill jumps off the diving board with a velocity of 1.7 m/s at 38 degrees above horizontal. if the water surface is 2 meters below the board: A. how long will it take for her to hit the water? B. where will she hit the water? C. with what velocity ..
a model rocket blasts off from the ground rising straight upward with a constant acceleration that has a magnitude of
ferromagnetism is caused by:
A person runs up a long flight of stairs in 10 seconds. If the person's weight is 500 N and the vertical height of the stairs is 20 meters, what is the person's power output
a. a thin rod of length 9.2 m and mass 16 kg is supported at a 31 degrees incline. one support is 2.4 m and the other
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