A train with an initial velocity of 20ms-1 is s... - JAMB Physics 2013 Question
A train with an initial velocity of 20ms-1 is subjected to a uniform deceleration of 2m-2. The time required to bring the train to a complete halt is?
A
5s
B
10s
C
20s
D
40s
correct option: b
t = \(\frac{v - u}{a}\) = \(\frac{0 - 20}{-2}\) = 10s
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