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Q1 Intitial velocity ( v ) = 0
Final velocity ( v ) = 54 km / h .
= ( 54 × 5 / 18 ) m / sec
= 15 m / s
Time = 2 sec
I . a = v - u / t = 15 - 0 / 2 = 15 / 2 = 7.5 = 7.5 m / sec ² .
ii . S = u t + 1 / 2 at ² .
= 0 × 2 + 1/ 2 × 7.5 × 2²
= 1/2 × 7.5 × 4
= 15.0 m
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