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
Discussion:
1 comments Page 1 of 1.
Umesh JIT said:
7 years ago
KE = 0.5 m V^2.
V= angular velocity.
V= 2π N/60.
V= angular velocity.
V= 2π N/60.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers