Work Energy And Power Question 283
Question: A ball of mass m hits the floor making an angle 9 as shown in the figure. Ife is the coefficient of restitution, then which relation is true, for the velocity component before and after collision?
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: A
Solution:
[a] As the floor exerts a force on the ball along the normal, & no force parallel to the surface, therefore the velocity component along the parallel to the floor remains constant.