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Physics, 30.04.2021 06:00 NeverEndingCycle

Questions 1. How much heat is needed to heat up a bathtub full of water to 70 deg Celciius if the
bathtub holds 100kg of water and starts out at 25 deg C
2. How hot will a 50g piece of lead get if 1000 J of energy is added and the initial temp is 40
deg C?
3. What substance will go from 20 deg to 80 deg if it has a mass of 200g and gets heated
with 4620 J of heat energy?
NO LINKS and please answer all 3

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Answers: 1

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