A particle is moving in three-dimensions and is not acted on by any non-conserva

Question

A particle is moving in three-dimensions and is not acted on by any non-conservative forces. The particle is moving with velocity v when it is located at point O. When the particle returns to point O at a later time. which statement is true about its velocity? The magnitude of the velocity when the particle returns will be less than the magnitude of v. The velocity when the particle returns will again be v . The magnitude of the velocity when the particle returns is the magnitude of v. The magnitude of the velocity when the particle returns will be greater than the magnitude of v Both statements A and C are true.

Explanation / Answer

b) the velocity when the particle returns will again be v

as the forces are conservative work done on a closed path will be 0

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