1.

An electric train is moving with a velocity of `120 km//h` . How much distance will it move in `30 s` ?

Answer» Correct Answer - `1000 m`
Here , ` v = 120 km//h = ( 120 xx 1000 m)/( 60 xx 60s) = 33.3 m//s`
`t = 30 s , s = ?`
As ` s = v xx t , s = 33.3 xx 30 = 999.9 m ~~ 1000 m`


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