Answers: 1
Physics, 21.06.2019 23:30
A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
Answers: 3
Physics, 22.06.2019 07:10
Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?
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Physics, 22.06.2019 16:00
In which of the following is positive work done by a person on a suitcase
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Physics, 22.06.2019 16:30
If anyone who can me with this hw? i would really appreciate it
Answers: 2
Order to be considered a semi-conductor the material must...
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