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CGP EDU Academic Team
Published on: August 13, 2026
A 0.5 kg mass is in contact against the inner wall of a cylindrical drum of radius 4 m rotating about its vertical axis. The minimum rotational speed of the drum to enable the mass to remain stuck to the wall (without falling) is 
. The coefficient of friction between the drum's inner wall surface and mass is 
. (Take 
)
Text Solution
Verified by ExpertsThe correct answer is:
A
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