A 52.0 kg diver jumps off a diving board with an upward velocity of 1.7 m/s. The diving board bounces off a spring with a spring constant of 4100 N/m. Ignore her horizontal velocity. How far did the diver compress the spring in order to achieve her initial upward velocity?

Aman pushes on a trunk with a force of 250 newtons. the trunk does not move. how much positive work is done on the trunk? 0.0 j -250 j 250 j 125 j

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great.d) about 10 times as great.