Physics, 28.02.2021 14:00, ambi121488
Which of the following statements about energy is false?
a. Energy can neither be created nor destroyed.
b. Energy can be changed from one form to another.
c. Energy has mass and occupies space.
d. There are renewable and non-renewable sources of energy.
Answers: 1
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Which statement correctly describes the relationship between frequency and wavelength?
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Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?
Answers: 2
Which of the following statements about energy is false?
a. Energy can neither be created nor destr...
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