Question

A circle has a radius 10cm.A particle from A to B along path ACB. what is its distance travelled?what is its displacement?

Answer 1

Explanation:

distance = π r = 10π = 31.4 cm

displacement ( shortest distance ) = AB = 10 cm

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Answer 2

Answer:

displacement is 20cm

Explanation:

displacement mean the shortest path that can be travelled by a particle so in this case displacement is diameter AB

given radius is 10cm then diameter = 2×10 20cm

so displacement is 20cm