Ahopper jumps straight up to a height of 1.3 m. with what velocity did he leave the floor

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.

Sound is a disturbance that travels through a medium as a

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?