A shopping cart that has a mass of 2 kilograms is being pushed with a force of 20 Newtons. At what rate is the shopping cart accelerating?"
40 m/s2
18 m/s2
10 m/s2
0.10 m/s2

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.

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.