Question

why does time occurs twice in unit of acceleration.plz solve

Answer 1

Because while calculating unit through dimensional analysis.

it's dimensions came [LT^-2].

L=metres
T=seconds.

That's why time occurs twice.

Answer 2

To know why time occurs twice in unit of acceleration:-

To prove:- m/s² in acceleration.

we know that,

a= v-u/t

Velocity has also m/s

so when it multiplied with time which is in 'second' again then the result become m/s².

a= m/s/s
a= m/s².

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