Question

an athlete completes 100m race on a straight track calculate the distance and magnitude of displacement of athlete during the race

Answer 1

In straight track, displacement will be equal to distance.

Distance= 100m (Given)

Displacement =100m


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Answer 2

Displacement of athlete is 100 metres.

But how ?

• First of all, displacement is defined as the shortest length between the starting and a stopping point.

• And, distance is defined as the total path length travelled by an object.

Now, when the athlete moves in a straight line without changing any direction, his/her displacement is equal to the distance which is equal to the path length.

So, in a straight line, the length between the starting and stopping point for the athlete during the race is 100 metres.

So, displacement is also 100 metres.

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