Question

A boy riding a bicycle covers the distance of 10 m in 4 s . What is the speed of the boy ?​

Answer 1

Answer:

9km is the speed of the boy its the speed of the cycle

calculation of speed in a minute.

1 min = 60 sec

given that boy goes 10m in 60 sec

so in 60 sec he goes 60/4 = 15 x10 m = 150 meters

150 meters in one minute

then in 60 min which is an hour

150m x60 = 9000 meters

9000/1000 = 9km/hr

Answer 2

Answer:

Given:

Distance -10m

Time -4s

To find:

Speed=??

Solution:

A/Q

Distance=speed×time

Speed=distance÷time

Speed=10÷4

Hence,speed=2.5m/s

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