| iitbrain

Question

a coin placed on a gramophone record rotating at 33rpm flies off d record , if it is placed at a dist. of more than 16cmfrom d axis of rotation . If d record is revolving at 66rpm , the coin will fly off if it is placed a distance not less than ?

ans=4cm

Joshi sir comment

coin will fly off, if it will gain the required centrifugal

so apply mrω² = mRW²

Submit Your Answer

Login Here

Registration Form

Your Full Name :

Your Email Address :

Country :

State :

Question

Submit Your Answer

please login to submit your answer

Login Here

Forget Password

Registration Form