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A body moves in SHM between two point 20m on the straight line Joining the point...


Question

A body moves in SHM between two point 20m on the straight line Joining the points. If the angular speed of the body is 5 rad/s. Calculate its speed when it is 6m from the center of the motion.

Options

A) 20 m/s

B) 30 m/s

C) 40 m/s

D) 50 m/s

The correct answer is C.

Explanation:

From two parts 20m apart
a = 10m, x = 6m, A = 5
V = ω\(\sqrt{A^2 - X^2}\)  = 5\(\sqrt{10^2 - 6^2}\) = 40m/s


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