Question: Starting at rest, a hydroplane accelerates at a = 0.8t for the first 10 seconds and then accelerates at a = -1.2t + 20

Starting at rest, a hydroplane accelerates at a = 0.8t for the

Starting at rest, a hydroplane accelerates at a = 0.8t for the first 10 seconds and then accelerates at a = -1.2t + 20 until it comes to a stop. The acceleration is show on the graph below. a (m/s^2) 8 10 a) How many seconds does the hydroplane travel before coming to a rest? 27 b) What is the maximum velocity in that the hydroplane reached? m S t (sec) c) How many seconds did it take the hydroplane to reach its maximum velocity? d) How many meters did the hydroplane travel?

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a To find the time it takes for the hydroplane to come to rest we need to determine the time at which acceleration becomes zero For the first 10 secon... View full answer

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