find the weight?

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if a special steel weighs .0082 kilograms per cubic cm find the weight of 100 hardened steel balls of 10mm diameter

2007-04-16 12:42:07 · 2 answers · asked by derek 1 in Science & Mathematics ➔ Mathematics

The volume of 100 steel balls =100*4/3*pi(0,5)^3 cm^3
and the weight = 400/3*pi*(0,5)^3*0.0082 kg
=0,4294kg

2007-04-16 12:58:52 · answer #1 · answered by santmann2002 7 · 0⤊ 0⤋

100 * 10mm = 100 * 1cm = 100
w = 100 * 0.0082 = 82 grams

2007-04-16 19:53:39 · answer #2 · answered by gesges 3 · 0⤊ 0⤋