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
Verified Correct Answer: B.
Physical Principles & Numerical Solution
t = \(\frac{v - u}{a}\) = \(\frac{0 - 20}{-2}\) = 10s
Source: Myschool Past Questions Archive (Record #27124)