Physics, 31.01.2020 09:04 69diegoguerrero
Erica is working in the lab. she wants to remove the fine dust particles suspended in a sample of oil. which method is she most likely to use?
a reverse osmosis
b osmosis
c filtration
d dilution
Answers: 1
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A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?
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At the negative terminal of the battery the electron has electric potential energy. what happens to this energy as the electron jumps from the negative to the positive terminal?
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Complete these sentences. if a roller coaster train has a potential energy of 1,500 j and a kinetic energy of 500 j as it starts to travel downhill, its total energy isj. once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 j, and its potential energy decreases to j. when the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isj.
Answers: 1
Erica is working in the lab. she wants to remove the fine dust particles suspended in a sample of oi...
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