Laws of Motion - Result Question 45
45. A block B is pushed momentarily along a horizontal surface with an initial velocity V. If is the coefficient of sliding friction between and the surface, block B will come to rest after a time
[2007]
(a)
(b)
(c)
(d)
Show Answer
Answer:
Correct Answer: 45. (d)
Solution:
- (d) Friction is the retarding force for the block
Therefore, from the first equation of motion