Question

A sphere of mass 2000 g and radius 5 cm is rotating at the
rate of 300 rpm .Then the torque required to stop it in 2π
revolutions, is
(a) 1.6 × 10² dyne cm (b) 1.6 × 10³ dyne cm
(c) 2.5 × 10⁴ dyne cm (d) 2.5 × 10⁵ dyne cm

Answer 1

Answer:

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