How much heat is absorbed by a 2000 kg granite boulder as energy from the sun causes its temperature to change from 9°C to 25°C?
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How much heat is absorbed by a 2000 kg granite boulder as energy from the sun causes its temperature to change from 9°C to 25°C?
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Answer:
q = m*s*delta T q stands for energy m stands for mass s stands for specific heat and delta T is change in temperature s for granite is 0.19 (cal/gramoC) m is given as 2000 kg that is 2000000 g delta T = (25 - 19) degree C = 6 degree C q = 2000000g x 0.19(cal/gramoC) x 6 degree C q = 2280000 cal or 2280 kcal.
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