Civil Engineering - Applied Mechanics - Discussion

Discussion Forum : Applied Mechanics - Section 5 (Q.No. 29)
29.
If a ball which is dropped from a height of 2.25 m on a smooth floor attains the height of bounce equal to 1.00 m, the coefficient of the restitution between the ball and floor, is
0.25
0.50
0.67
0.33
0.75
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
11 comments Page 1 of 2.

Pamu said:   1 year ago
1/2.25 = 0.4444.
= 0.5.

Amit said:   6 years ago
V=√(2gh).
V is directly proportional to the √h.
C.r.=v2/v1
√(h2/h1).

Alok kumar said:   7 years ago
Not getting it, Please explain the solution in detail.

Neeraj said:   8 years ago
Good job @Abhay.

Dheeraj Singh said:   8 years ago
Thank you @Abhay.

Vaibhav said:   8 years ago
Answer is C.

SUNILMane said:   8 years ago
I agree that cor is 0.67 not 0.5.

Mohit said:   8 years ago
Yes, I too agree @Abhay.

Chhay said:   9 years ago
I too agree @Abhay.

Nitish said:   9 years ago
Yeah, agree @Abhay.


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