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A cylinder having radius 0.4m initially rotating at 54 rad/s is placed on a rough inclined plane with 37 degrees having friction coefficient 0.5.The time taken by the cylinder to start pure rolling is

A cylinder having radius 0.4m initially rotating at 54 rad/s is placed on a rough inclined plane with 37 degrees having friction coefficient 0.5.The time taken by the cylinder to start pure rolling is

Grade:12

2 Answers

arunabh
14 Points
7 years ago
1.2 seconds... (Isn`t it obvious?)
nishad
12 Points
7 years ago
find condition when a=(alpha)r

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