Question

A body covers a distance of 20 km in 20 minutes. Calculate its speed in km/h and m/s​

Answer 1

Answer:

60 Km/h. 16.67m/sec

Explanation:

Its speed in kilometre per hour and metre per second are 60 km/hr and 16.67 m/sec respectively.

Answer 2

Explanation:

d=20km

t=20m=20/60=1/3hr

s=d/t

s = 20÷1/3

s= 20*3=60km/ht

d=20km= 20000 m

t=20m=20*30s= 600s

s=d/t

S= 20000/60

s= 33.33m/s

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