When a can is crushed did it undergo a physical change

If you add mass to a car on a ramp the acceleration of the car does not increase proportional to the increase in mass. Why not?

A 65.1-kg basketball player jumps vertically and leaves the floor with a velocity of 1.82 m/s upward. (a) What impulse does the player experience? (b) What force does the floor exert on the player before the jump?

If you wanted to determine the temperature of a star, which measurement would you make?

A ball is kicked horizontally at 10.0 m/s from a cliff 100m high. How far from the base of the cliff will the stone strike the ground? a 1,000 b 60 c 10 d 3010.2 e 45

What is the acceleration of a car that maintains a constant velocity of 100km/h for 10 s

Under what conditions will an object experience a gravitational force? Under what conditions will an object experience an electric force? Under what conditions will an object experience a magnetic force?

A basketball player pushes down with a force of 34 N on a basketball that is inflated to a gauge pressure of 9 x 104 Pa. What is the diameter of contact between the ball! and the floor?

Match these terms with their definitions: 1. unit of electrical resistance ampere 2. unit of electromotive force or electrical potential ohm 3. unit for measuring the strength of an electric current volt 4. unit of electrical power watt

In which is momentum conserved: an elastic collision or an inelastic collision?

List the types of radiation in order from least to most damaging.