Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 22 (Q.No. 2)
2.
The kinetic energy in Nm of a circular disc of 20 m diameter and 10 cm thick, of material weighing 100 kg/m3, rotating above an axis through its centre at right angles to its place and making 2000 rpm is
2 x 108 π3
4 x 108 π3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Umesh JIT said:   6 years ago
KE = 0.5 m V^2.
V= angular velocity.
V= 2π N/60.

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