A 65.0 kg skydiver, falling through the air with a speed of 15.0 m/s, opens his parachute. As a result, he experiences a drag force of magnitude = 8, where is the speed of the skydiver.

Find the acceleration of the skydiver when his speed reaches 12.0 m/s.

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic

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.

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.