Question

A particle is released from the top of a quarter circle of radius 1.6 m. It stops at C, 3 m away from B. Find coefficient of friction which is present only on the horizontal surface.

• A. 0.533
• B. 0.333
• C. 0.433
• D. None of these

Answer 1

Answer: (A)

0.533

Answer 2

μ = $\frac { 2 \mathrm { gh } } { 2 \mathrm { gl } } = \frac { 1.6 } { 3 } = 0.533$