Apply the law of conservation of momentum to explain why two marbles, a red marble moving to the left at 1 m/s and a green marble moving to the right at 1 m/s could move to the right, the left, or stop moving after an inelastic collision.

How much work is done lifting a 9.10 kg box straight up onto a shelf that is 1.80 m high?

What are the factors that affect the resistance of a wire?

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n