what is the speed of the cheetah if it travels 200m in 10sec?Find in-

a)m/s

b)km/hr

Here distance travelled by the cheetah=200 m

Total time taken=10 sec

So, Speed=

Now for calculating in km/hr

Distance=200 m=200/1000=1/5 km  ( Since 1 km=1000m and 1 hour=3600 sec.)

Total time taken=10/3600=1/360 hr

So, by the above formula,

 

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a) In 10 sec, the cheetah travels 200 m.

In 1 sec, the cheetah travels 200/10 = 20 m

The speed of the cheetah in m/s = 20 m/s

b) 10 secs expressed in hours = 10/3600 = 1/360 hr

Similarly, 200 m expressed in km = 200/1000 km = 1/5 km

In 1/360 hr, the cheetah travels, 1/5 km.

Therefore, In 1 hour, the cheetah can travel = 1/5 x 360 = 72 km.

the speed in km/hr is 72 km/hr.

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thanQ for your answer!

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