A motor vehicle is brought to rest from a speed... - JAMB Physics 1994 Question
A motor vehicle is brought to rest from a speed of 15ms-1 in 20 seconds. Calculate the retardation.
A
0.75ms-1
B
1.33ms-2
C
5.00ms-2
D
7.50ms-2
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Correct Option: A
Retardation = (\frac{u - v}{t})
= (\frac{15 -0}{20})
= 0.75ms-1
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