Question

A body is moving on a square track of side 1m. it completes one round in 40 seconds. Calculate its displacement in 8 minutes?

PLEASE ANSWER IT'S AN EMERGENCY.

Answer 1

Answer:

0

Explanation:

Since in 8 mins the body will be at initial starting point only

Answer 2

Answer:

0     (no displacement)

Explanation:

It reaches the same point(where he started) at the period of 40 sec.

So,

it reaches the same point at 40s(1st round), 80s(2nd round), 120s(3rd round), ...etc.    (or any number multiple of 40).

         8 min = 8 * 60 s = 480s

As 480/40 = 12,  it totally completes 12 rounds.

      There is no remainder, so it reaches at the same place where he started.

Since initial and final positions are same, displacement is 0.