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Average speed of the boat relative to the water

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Reference no: EM131223534

A toy rocket is launched from a 3.5m high platform in such a way that its height, h (in meters), after t seconds is given by the equation h = -4.9t2 + 23.8t + 3.5   How long will it take for the rocket to hit the ground? 

(Give the answer in seconds, type an integer or a decimal. Round to the nearest hundredth as needed)

Meg rowed her boat upstream a distance of 45 mi and then rowed back to the the starting point. The total time of the trip was 18 hours. If the rate of the current was 6 mph, find the average speed of the boat relative to the water. 

Meg rowed an average speed of ___ mph relative to the water. (Simplify your answer).

Reference no: EM131223534

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