Question

an athlete who runs 10 km in 40 minutes
find the speed

Answer 1

Answer:

41.66 m/sec

Step-by-step explanation:

1km= 1000m

10km =10,000m

speed = distance/time

time = 40mins

1min = 60sec

40mins = 40 X 60 sec

= 240sec

so 10,000m / 240 sec = 41.66 m/sec

Answer 2

Answer:

Given :-

An athlete runs 10 km.

He covers this distance in 40 minutes .

To find :- His speed.

Solution :-

First we need to convert all units to SI system.

1 km = 1000m

10 km = 10000m.

1 min = 60 seconds

40 min = 2400 seconds.

Speed = Distance / Time

= 10000m / 2400sec

= 4.16 m/second

Answer :- His speed is 4.16 m /s.

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