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\(^{-2}\)
Explanation
Correct Option
cVideo Explanation
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somoto2006
1 year ago
S=ut+1/2at²
40=0x10 + 1/2a(10²)
40=1/2a(100)
40=50a
divide both sides by 50:
a=40/50
a=0.8
