Physics, 04.12.2020 14:00, angelasan16
Q6 KSS
Energy from petrol is used to operate an engine. The engine drives a generator, which produces
electrical energy.
energy from
petrol
work done
by engine
electrical
energy
engine
generator
400 J
120 J
100 J
What is the overall efficiency of the process?
А
25 %
XB
30 %
C 55%
XD
83 %
Answers: 2
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Answers: 1
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Answers: 1
Physics, 22.06.2019 13:30, brsglover8355
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Answers: 2
Physics, 22.06.2019 18:30, violetvinny
Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?
Answers: 1
Q6 KSS
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