A race car can be slowed with a constant acceleration of -11 m/s2 a. if the fare is going 50 m/s, how many meters will it travel before it stops
b. how many meters will it take to stop a car going twice as fast

HELP ASAP

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.

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value