A particle is moving in a circle of diameter 7m .Calculate the distance covered and the displacement when it completes 3 half revolutions
Answers
Answer:
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Distance is the actual path covered by a body. And it cannot be zero and is a scalar quantity.
And, displacement is the shortest distance covered by a body in a particular direction and so is a vector quantity. Displacement can be zero.
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Given diameter of circle = 7m
Radius of the circle =7/2m
Distance covered = circumference of the circle
= 2¶r
= 2×22/7×7/2m
= 22 m
Thus, Distance covered in 1 revolution=22m
Distance covered in 3 revolution = 22×3m
= 66 m
Displacement of the circle = Diameter of circle = 7m
After 3 revolutions also the displacement will not change.
Answer:
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