Physics, 17.10.2021 15:50 riley01weaver1
Hi am struggling with specific latent heat questions:
1. how much energy is required to melt 40 kg of lead
2. a 3.0kW kettle contains boiling water and is on top of balance, it is turned on for 2 minutes, and the reading changes from 1.487 kg to 1.343 kg. use this energy to calculate the energy required to boil 1kg of water
Answers: 2
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If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather
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Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe
Answers: 1
Hi am struggling with specific latent heat questions:
1. how much energy is required to melt 40 kg...
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