1.

A car acceletrates uniformaly at 4 m s^(-2) froms rest. Find its velocity at the end of 5 seconds.

Answer»

Solution :Given ACCELERATION of the car, `a=4 m s^(-2)`
Initial velocitt of the car,` u=0 m s^(-1)`
TIME INTERVAL, t=5s
Final velocity of the car,` v=u+at`
`=0+(4)(5)`
`=20 m s^(-1)`


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