A shot put is a metallic sphere of radius 4.9cm.If the density of the metal is 7.8 g per cm cube find the mass of the shot put
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Radius of the shot put = 4.9 cm
Volume of the shot put = (4/3)πr3 cm3
= (4/3) x 22/ 7 x 4.9 x 4.9 x 4.9 cm3
Density of the shot put = 7.8 gm / cm3
Mass of the shot put = 7.8 x (4/3) x 22/ 7 x 4.9 x 4.9 x 4.9 gm
= 3845.44 gm
= 3.845 kg
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Volume of the shot put = (4/3)πr3 cm3
= (4/3) x 22/ 7 x 4.9 x 4.9 x 4.9 cm3
Density of the shot put = 7.8 gm / cm3
Mass of the shot put = 7.8 x (4/3) x 22/ 7 x 4.9 x 4.9 x 4.9 gm
= 3845.44 gm
= 3.845 kg
pls. mark as brainliest pls.....
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