A boy swims $200$ m in still water and then returns back to the point of start in total $10$ minutes.Find the speed of his swim in metres per second.

Open in App

Solution

Distance swimmed by boy of $= 200 + 200 = 400$ m
Time taken $= 10$ minutes
$∴ s p e e d = \frac{400}{10 \times 60} = \frac{2}{3}$ m/s

Suggest Corrections

Similar questions

Q. A swimmer swims in still water at a speed of

5 k m / h r

. He enters a

200 m

wide river, having a river flow speed of

4 k m / h r

. He proceeds to swim at an angle of

127^{\circ}

with the river flow direction. He reaches directly opposite to the starting point and then swims with the river flow to cover a distance of

200 m

. The total time taken by the swimmer to complete his journey is

Q. A swimming pool is 50 meters long . A boy can across the length and then return to his starting position in 5 minutes . What is the his swimming spend in km/h?

A river is flowing from west to east at a speed of 5 metres per minute. A man on the south bank of the river, capable of swimming at 10 metres per minute in still water, wants to swim across the river in the shortest time. He should swim in a direction

Q. A swimmer swims in still water at a speed of

5 k m / h r

. He enters a

200 m

wide river, having a river flow speed of

4 k m / h r

. He proceeds to swim at an angle of

127^{\circ}

with the river flow direction. He reaches directly opposite to the starting point and then swims with the river flow to cover a distance of

200 m

. The total time taken by the swimmer to complete his journey is

Q. A swimmer swims 300 m and then returns in 12 minutes. Find his speed in
(a) m/s
(b) km/h

Join BYJU'S Learning Program

A boy swims 200m in still water and then returns back to the point of start in total 10 minutes.Find the speed of his swim in metres per second.

Distance swimmed by boy of =200+200=400mTime taken=10 minutes∴speed=40010×60=23m/s

A boy swims $200$ m in still water and then returns back to the point of start in total $10$ minutes.Find the speed of his swim in metres per second.

Distance swimmed by boy of $= 200 + 200 = 400$ m
Time taken $= 10$ minutes
$∴ s p e e d = \frac{400}{10 \times 60} = \frac{2}{3}$ m/s