Questions
A circular disc is rotating with a varying speed u =(2t-4) m/s, where t is in second. An object is placed in the disc. The pseudo fore on the object is
detailed solution
Correct option is B
Total acceleration of the disc aT2+aR2 and pseudo force depends on net acceleration.aT=2 m/s2aR=u2/R at t =2sec u=0 aR=0Similar Questions
Assertion : When the velocity of projection of a body is made n times, its time of flight becomes n times.
Reason : Range of projectile does not depend on the initial velocity of a body.
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