Question

A baseball has a mass of 0.15 kg and radius 3.7 cm. In a baseball game, a pitcher throws the ball with a substantial spin so that it moves with an angular speed of 31 rad/s and a linear speed of 55 m/s. Assuming the baseball to be a uniform solid sphere, determine the rotational and translational kinetic energies of the ball in joules.

KE_rotational =

KE_{translational=}

Answer 1

soli- given in = 0.15 kg r=0.037 m =31 raals V = 55 mis A As given it is a uniform solid sphere, so its moment of inertia is I = 2 mR? i The rotational kinetic KEyot = $ICO? = 0.5x2 mR" Jew? = 0.15X0:03+)*31) energy is KE t = 0.0394 J B B) Translation kinetic energy will be Ketra = 1 mua = 0.5% 0.15x(55) Ketra 226.87 J NOTE Hope will I get