Physics, 16.02.2020 09:59 hayleymckee
An automobile use a 75,000 J of chemical energy from Gosselin produce 10,000 J of useful output energy
A. calculator it’s efficiency
B. where does the lost energy go, that part of the input work that doesn’t become useful work?
Answers: 3
Physics, 22.06.2019 14:10
Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to:
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Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.
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Aparticle moves in a circle 1.50 m in radius . through what angle in radians does it rotate if it moves through an arc length of 2.50m? what is the angle in degrees?
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Which is the most accurate name for the ionic compound cas?
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An automobile use a 75,000 J of chemical energy from Gosselin produce 10,000 J of useful output ener...
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