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a. |
How far up the ramp does the ball go? |
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b. |
How long does it take the ball to reach this point? |
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c. |
If the ball starts out at t = 0, at how many different instants t will it be at a point 9 m from its starting position—zero, one, or two? (Answer this before doing a calculation.) |
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d. |
If the ball starts out at t = 0, when will it be 9 m from its starting position? What will its velocity be at each instant? Answer this by doing a calculation,
and see if your result agrees with your answer to c. |
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