Question

A speedboat can travel with a speed of 70 m/s in still water. Part A If...

A speedboat can travel with a speed of 70 m/s in still water.

Part A If the boat is in a river that has a flow speed of 4 m/s , find the maximum value of the boat's speed relative to an observer on the riverbank.

Part B

Find the minimum value of the boat's speed relative to an observer on the riverbank.

Part C

What is the time difference between a downriver trip (with the current) of 1100 mm and an upriver trip (against the current)?

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