Physics, 13.07.2019 09:30 amanuelwold
Which of the following is the best example of kinetic energy being transformed into potential energy? a) in a aa battery, a chemical reaction releases protons that can go through an electric current. b) in a generator, an armature spinning produces an electric current. c) during photosynthesis, trees use light from the sun to build sugar molecules. d) during combustion, fuel is broken down to make heat and light.
Answers: 2
Physics, 21.06.2019 14:10
Aman pushes on a trunk with a force of 250 newtons. the trunk does not move. how much positive work is done on the trunk? 0.0 j -250 j 250 j 125 j
Answers: 1
Physics, 21.06.2019 23:20
Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity
Answers: 2
Physics, 22.06.2019 10:00
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
Physics, 22.06.2019 11:00
If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c
Answers: 1
Which of the following is the best example of kinetic energy being transformed into potential energy...
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