A. 5s
B. 10s
C. 20s
D. 40s
Correct Answer:
Option B = 10s
Explanation
t = v−u/a = 0−20/−2 = 10s
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?
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