a rectangular block of ice measures 40 cm by 25 CM by 15 CM .calculate its weight in kg ,if it is 9 by 10 of the weight of the same volume of water and 1 centimetre cube of water is 1 gram.
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We have,
Volume of the rectangular box of ice=40×15×25 cm³=15000 cm³
Now,weight of 1 cm³ of water=1 gm
and,weight of 1 cm³ of ice=(9/10)th of the weight of 1 cm³ of water
So, weight of 1 cm³ of ice=(9/10)gm
So, weight of the rectangular block of ice=9/10×15000 gm
=13500 gm
=13.5 kg
Volume of the rectangular box of ice=40×15×25 cm³=15000 cm³
Now,weight of 1 cm³ of water=1 gm
and,weight of 1 cm³ of ice=(9/10)th of the weight of 1 cm³ of water
So, weight of 1 cm³ of ice=(9/10)gm
So, weight of the rectangular block of ice=9/10×15000 gm
=13500 gm
=13.5 kg
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