Questions asked by Jobin
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An electric kettle rated 2.1 kilowatt contains 1 kg of water.Assuming no heat loss and neglecting the thermal capacities of kettle,how long will it take to start to boil the water if its initial temp is 20C?
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What is the amount of heat in calories required to convert 5 gram of ice at 0 degree Celsius to steam at hundred degree Celsius?
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Can you explain in detail why the answer is D ?
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A body of mass 16 kg accelerates vertically down with a force of 8 N. What is the minimum force required to make it move upward with the same acceleration? [Take #"g = 10 m/s"^2#].