Wave Motion :: Discussion


10.A body is executing the simple harmonic motion with an angular frequency of 2rad/sec. Velocity of the body at 20m displacement, when amplitude of motion is 60m, is?
A.90 m/s
B.118 m/s
C.113 m/s
D.131 m/s
Answer:  Option  C
Explanation:

v=ω√(A2-y2)=2√(602-202)
v=80√2
v=113m/s.

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Published by:Michael Daani

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