The diameter of a metallic ball is 4.2cm . What is the mass of the ball, if density of the mate is 8.9 gram per centimeters sq.
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diameter = 4.2 cm
radius = 2.1 cm
Volume =
So, volume = 8.8 cubic cm
mass =volume × density
=8.8 ×8.9
=78.32 gm
radius = 2.1 cm
Volume =
So, volume = 8.8 cubic cm
mass =volume × density
=8.8 ×8.9
=78.32 gm
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