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A toy rocket starts at rest, and is fired vertically. The fuel burns for tine t1 = 15.7 s, and the rocket rises with a constant net upward acceleration of magnitude a1 = 7.23 m/s2. Once the fuel is exhausted, the rocket continues to rise (in free fall) until it reaches a maximum height, and then it falls back to Earth. Find:

the maximum height the rocket reaches: h =

the total time the rocket is in the air (from takeoff to when it crashes into the ground): ttot = s

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