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WB JEE 2016
MCQ (Single Correct Answer)
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-0.25
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If x = at + bt2, where x is in metre (m) and t is in hour (h), then unit of b will be
A
$${{{m^2}} \over h}$$
B
m
C
$${m \over h}$$
D
$${m \over {{h^2}}}$$
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