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Q.A particle moves from rest at A on the surface of a smooth cylinder of radius r as shown.At B it leaves the cylinder.The equation relating alpha and beta is a.)3sin(alpha)=2cos(beta) b.)2sin(alpha)=3cos(beta) c.) 3sin(beta)=2cos(alpha) d.)2sin(beta)=3cos(alpha) please help.

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Q.A particle moves from rest at A on the surface of a smooth cylinder of radius r as shown.At B it leaves the cylinder.The equation relating alpha and beta is


a.)3sin(alpha)=2cos(beta)


b.)2sin(alpha)=3cos(beta)


c.) 3sin(beta)=2cos(alpha)


d.)2sin(beta)=3cos(alpha)



please help.

Grade:11

1 Answers

SAGAR SINGH - IIT DELHI
878 Points
13 years ago

Dear student,

Just draw components of theta and you will see that the correct option is b)

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Sagar Singh

B.Tech, IIT Delhi



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