Solve the Problem $5 \mathrm {~cm}$ Rotates 19 Times In $64 \mathrm { sec }$

question 44

Multiple Choice

Solve the problem.
-A pulley of radius $5 \mathrm {~cm}$ rotates 19 times in $64 \mathrm { sec }$ . Find the angular speed of the pulley.

• A) \(\frac { 32 \pi } { 95 }\) radian per sec
• B) \(\frac { 95 \pi } { 32 }\) radians per sec
• C) \(\frac { 95 \pi } { 64 }\) radians per sec
• D) \(\frac { 64 \pi } { 95 }\) radian per sec

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