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Mathematics, 24.01.2021 22:20 symonya
The time, T (seconds), it takes for a pot of water to boil is proportional to the amount, A (litres), of water. It takes 190 seconds to boil 2.1 litres of water. Work out how long it takes (to the nearest second) to boil 2.5 litres.
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Nthe opening scene of the movie raiders of the lost ark, indiana jones replaces a golden statue with a bag of sand. the platform on which the statue is placed is designed to detect the mass of the statue. if the bag of sand has a different mass than the statue, then a mechanism triggers and destruction ensues. the density of gold is about 20\text{ g/cm}^320 g/cm 3 20, space, g, slash, c, m, start superscript, 3, end superscript. the density of sand can be estimated at 2.5\text{ g/cm}^32.5 g/cm 3 2, point, 5, space, g, slash, c, m, start superscript, 3, end superscript. the gold statue can be modeled as a cylinder with height 25\text{ cm}25 cm25, space, c, m and radius 8\text{ cm}8 cm8, space, c, m. in terms of \piπpi, what is the mass of sand indiana jones needs to avoid triggering the mechanism?
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The time, T (seconds), it takes for a pot of water to boil is proportional to the amount, A (litres)...
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