The most concentrated form of energy is
A) wind.
B) fossil fuel.
C) geothermal.
D) nuclear.
Correct Answer:
Verified
Q69: Earth's primary energy source is
A)the Sun.
B)fossil fuel.
C)electricity.
D)geothermal.
Q70: A hydraulic press has its input piston
Q71: If an all-electric car has kinetic energy,
Q72: A car's engine is 20% efficient. When
Q73: Hydrogen, like electricity, is
A)an energy source.
B)not an
Q75: A machine puts out 100 watts of
Q76: The exhaust product from a hydrogen fuel
Q77: If the speed of a motor scooter
Q78: Phil applies 100 N to a pulley
Q79: Which of these is not a form
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