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A particle moves in one dimension in a c...

A particle moves in one dimension in a conservation force field. The potential energy is depicted in the graph below.

If the particle starts to move from rest from the point `A`, then

A

the speed is zero at the point A and E.

B

the acceleration vanished at the points A, B, C, D, E

C

the acceleration vanished at the points B, C, D.

D

the speed is maximum at the point D.

Text Solution

Verified by Experts

The correct Answer is:
A, C
`V_(A) + K_(A)=V_(E)+K_(E)`
`V_(A)=V_(E) & K_(A)=0`
`:. K_(E)=0 F=(dV)/(dx)=0`
Slope =0 at points B,C & D
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