Answers: 3
Physics, 22.06.2019 01:30
Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?
Answers: 1
Physics, 22.06.2019 01:30
Kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energy b. motion energy c. sound energy d. thermal energy
Answers: 1
Physics, 22.06.2019 09:00
Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack
Answers: 2
Physics, 22.06.2019 16:50
Acommercial refrigerator with refrigerant-134a as the working fluid is used to keep the refrigerated space at -35ยฐc by rejecting waste heat to cooling water that enters the condenser at 18ยฐc at a rate of 0.25 kg/s and leaves at 26ยฐc. the refrigerant enters the condenser at 1.2 mpa and 50ยฐc. if the compressor consumes 3.3 kw of power, determine (a) the mass flow rate of the refrigerant, (b) the refrigeration load, (c) the cop, and (d) the minimum power input to the compressor for the same refrigeration load.
Answers: 2
Can someone teach me how to do free fall in physics. A soccer ball is dropped from the top of a buil...
Mathematics, 15.04.2020 17:53
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Mathematics, 15.04.2020 17:55