Physics, 13.07.2020 23:01 iicekingmann
A machine is 40 % efficient. The total energy supplied to the machine is 4 kJ. Calculate how much useful energy can be transferred.
Answers: 1
Physics, 21.06.2019 22:30, IDespretlyneedhelp
Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate
Answers: 2
A machine is 40 % efficient. The total energy supplied to the machine is 4 kJ. Calculate how much us...
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