A75.0 kg stunt man jumps from a balcony and falls 24.0
mbefore colliding with a pile of mattresses. if the mattresses
arecompressed 1.15 m before he is brought to rest, what is the
averageforce exerted by the mattresses on
thestuntman?

Work = force × a. work b. energy c. distance d. momentum

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.

It is really hard for me right know