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In the Q.122 how much distance is covere...

In the Q.122 how much distance is covered by the particle in returning to the starting point?

A

`(2r_(0))/(a)`

B

`(r_(0))/(a)`

C

`(r_(0))/(2a)`

D

`(r_(0))/(4a)`

Text Solution

Verified by Experts

The correct Answer is:
C

`r_(1)=r_(0)(1-axx(1)/(2a))(1)/(2a)=(r_(0))/(4a)`
Total distance `=r_(1)+r_(2)=(r_(0))/(4a)+(r_(0))/(4a)=(r_(0))/(2a)`
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ALLEN -MOTION IN A PALNE-EXERCISE-2
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