As a pendulum swings back and forth
a) at the lowest part of its swing, its energy is all kinetic.
b) at the end points of its swing, its energy is all potential.
c) kinetic energy is transformed into potential energy.
d) potential energy is transformed into kinetic energy. e) all of the above
Answers: 1
Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 3
Physics, 21.06.2019 22:30
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
As a pendulum swings back and forth
a) at the lowest part of its swing, its energy is...
a) at the lowest part of its swing, its energy is...
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