A block hangs from a string wrapped on a disc of radius 20 cm free to rotate about its axis which is fixed in a horizontal position. If the angular speed of the disc is 10 rad/s at some instant, with what speed is the block going down at that instant ?
Text Solution
Verified by ExpertsThe correct answer is:
C
V = ω R
V = 10 × 0.2 = 2m /sec.
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