Question

An object undergoes an acceleration of 4 m/ ms-² square starting from rest.Find the distance covered by the object in 3 seconds.

Answer 1

use the second equation of motion to find the distance

Answer 2

here a = 4m/s square

u =0

t = 3sec

s = 1/2at^2 +ut

s = 1/2×4×9 + 0×3 *9 beacuse square of 3 = 9

s = 18 m

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