A wooden block has length ,breadthand height of 30 cm ,20 cm and 15 cm
respectively and its mass is 25 kg .calculate its density .
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volume = 30*20*15
= 9000 cm cube
density = mass ÷ volume = 25000 ÷ 9000 = 2.78 gram / cm cube
= 9000 cm cube
density = mass ÷ volume = 25000 ÷ 9000 = 2.78 gram / cm cube
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1
i don't know..........
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