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A car starts from rest and covers a distance of... - JAMB Physics 2022 Question

A car starts from rest and covers a distance of 40 m in 10 s. Calculate the magnitude of its acceleration.

A

3.20 ms\(^{-2}\)

B

0.25 ms\(^{-2}\)

C

0.80 ms\(^{-2}\)

D

4.00 ms\(^{-2}\)

correct option: c

S = ut + \(\frac{1}{2}\)at\(^2\)
40 = 0 x 10 + \(\frac{1}{2}\)a x 10\(^2\)
50a = 40
a = \(\frac{40}{50}\)
a = 0.8m/s\(^2\)

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