A shotput is a metallic sphere of radius 4.9 Cm. If the density of the metal is 7.8 gram per centimetre cube. Find the mass of the shot put?
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Radius of the shoutput = volume of metalic sphere
= 4/3Πr3
=4/3×22/7×4.9×4.9×4.9
=7.8 gm cm3
density of the shout put = 7.8 gm cm3
Mass of the shout put =
= 7.8×4/3×22/7×4.9×4.9×4.9
= 3.845 kg
I hope it helps you
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