A car starts from rest and covers a distanc..

Question 1 Report

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

3.20 ms

^{- 2}

0.25 ms

^{- 2}

0.80 ms

^{- 2}

4.00 ms

^{- 2}

Answer Details

S = ut + $\frac{1}{2}$ at $^{2}$

40 = 0 x 10 + $\frac{1}{2}$ a x 10 $^{2}$

50a = 40

a = $\frac{40}{50}$

= 0.8m/s $^{2}$