Let vec v and vec a denote velocity and acceleration respectively of a body in one-dimensional

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2.Motion in Straight Line

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Let $\vec v$ and $\vec a$ denote the velocity and acceleration respectively of a body in one-dimensional motion

A$|\vec v|$must decrease when $\vec a < 0$

BSpeed will decrease when $|\vec v| < 0 $ and $\vec a$ are $< 0$

CSpeed will increase when both $|\vec v|$ and $\vec a$ are $< 0$

DBoth $(B)$ and $(C)$

Solution

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Standard 11

Physics

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