Q.

The position of the particle moving along Y-axis is given as y = At2 - Bt3, where y is measured in metre arid t in second. Then the dimensions of B are

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a

[LT-2]

b

[LT-1]

c

[LT-3]

d

[MLT-2]

answer is C.

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Detailed Solution

As, [y]=[B]T3⇒[L]=[B]T3⇒[B]=LT-3
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