A uniform sphere of mass 500 g rolls without slipping on a plane horizontal surface with its centre moving at a speed of 5.00 cm s - 1 . Its kinetic energy is:

Question

A uniform sphere of mass 500 g rolls without slipping on a plane horizontal surface with its centre moving at a speed of 5.00 cm s - 1 . Its kinetic energy is:, 8.75 × 10 - 4 J, 8.75 × 10 - 3 J, 6.25 × 10 - 4 J, 1.13 × 10 - 3 J

MARKS App · Accepted Answer

K . E of the sphere = Translational K . E + Rotational K . E = 1 2 m v 2 1 + K 2 R 2 K = Radius of gyration = 1 2 × 1 2 × 2 100 2 1 + 2 5 = 35 4 × 10 - 4 J = 8.75 × 10 - 4 J

Search any question & find its solution

Looking for more such questions to practice?