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Question

The velocity of a particle v=a+bt+ct2. If the velocity is in ms, the unit of a will be:


A
m/sec
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B
m/sec2
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C
m2/sec
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D
m/sec3
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Solution

The correct option is A m/sec

Only quantities of similar dimensions can be added or subtracted. So, the unit of a will be the same as that of velocity.


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