Physics, asked by Naotombakonsam6288, 10 months ago

The speed of the stream is 5km hr. The motorboat goes 10 km upstream and back again to starting point in 50 minutes. What is the speed of the boat in still water

Answers

Answered by samiyafathima

1

Explanation:

Let the speed of motorboat in still water be x km/hr.\therefore \frac{10}{x-5}+\frac{10}{x+5} = \frac{50}{60}

Let the speed of motorboat in still water be x km/hr.\therefore \frac{10}{x-5}+\frac{10}{x+5} = \frac{50}{60}=> 10\left ( \frac{x+5+x-5}{(x+5)(x-5)} \right )= \frac{5}{6}

Answered by ItzIshu

2

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