A disc of mass 4 kg, radius 0.5m and moment of inertia 3 kg-m2 rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is ___________________?

Related Mcqs:

A cube on a smooth horizontal surface___________________?

A. cannot be in stable equilibrium B. cannot be in neutral equilibrium C. cannot be in unstable equilibrium D. can be in any of these states...

A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is___________________?

A. n rpm B. n/2 rpm C. n/4 rpm D. 2n rpm...

A heavy ladder resting on floor and against a vertical wall may not be in equilibrium if________________?

A. floor is smooth and wall is rough B. floor is rough and wall is rough C. both floor and wall are rough D. both floor and wall are smooth...

A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be____________________?

A. 20 m/sec B. 30 m/sec C. 40 m/sec D. 50 m/sec...

A particle moves in a straight line and its position is defined by the equation x = 6 t2 – t3 where t is expressed in seconds and x in meters. The maximum velocity during the motion is_________________?

A. 6 m/sec B. 12 m/sec C. 24 m/sec D. 48 m/sec...