A person stretches a rubber band 2 cm, and stores 100 joules of energy. How much energy would be stored if he stretched it 6 cm?

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?

What part of the ear is names after tools, such as the hammer and the anvil?