Randall D. Knight — Impulse and Momentum: Problem 76

In Problems 76 through 79 you are given the equation(s) used to solve a problem. For each of these, you are to: a. Write a realistic problem for which this is the correct equation(s). b. Finish the solution of the problem, including a pictorial representation. \[ (0.10 \text{ kg})(40 \text{ m/s}) - (0.10 \text{ kg})(-30 \text{ m/s}) = \frac{1}{2}(1400 \text{ N})\Delta t \]