Question

A man running along a circular track completes one round in 25 seconds. His displacement will be zero in

Answer 1

Displacement value is zero ,if man come back at same point where he start

Answer 2

Given : A man running along a circular track completes one round in 25 seconds.

To Find : His displacement will be zero in how many seconds

Solution:

Displacement = Final position - Initial Position

After completing one round person will be at the same position

Hence Final position is same as Initial Position

so displacement = 0

A man running along a circular track completes one round in 25 seconds.

Hence he will be completing rounds in multiple of 25 secs

Hence Displacement will be zero

for 25 , 50 , 75 , 100  and  so on secs

Multiple of 25 secs

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