A 10 kg box initially at rest moves along a frictionless horizontal surface. A horizontal force to the right is applied to the box. The magnitude of the box changes as the function of time as shown.
b. What is the velocity of the box at 10 seconds? Show your work.
c. If you wanted to apply a constant force starting at 10 seconds, that would stop the box at exactly 20 seconds. What would the magnitude and direction of that force be? Show your work.
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