A train with an initial velocity of 20ms-1 is subjected to a uniform deceleration of 2ms-2. The time required to bring the train to a complete halt is
A
40s
B
10s
C
20s
D
5s
Verified Correct Answer: B.
Physical Principles & Numerical Solution
t = \(\frac{v - u}{a}\) = \(\frac{20 - 0}{2}\)
= 10s
Source: Myschool Past Questions Archive (Record #44706)