Questions
A stone of mass 1kg is tied to one end of a string of length 0.5 m. It is whirled in a vertical circle. If the maximum tension in the string is 58.8N, the velocity at the top is
detailed solution
Correct option is B
Conserving energy between top and the lowest positions.1/2 mu2 + mg.2l = 1/2 mV2⇒ u2 = V2 - 4 gl⇒ u2 = 49 / 2 -4 X 9.8 X 0.5⇒ u = 2.2 m/sTalk to our academic expert!
Similar Questions
A pendulum of length / = l m is released from . The rate of change of speed of the bob at is (g = 10 )
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests