Physics, 08.02.2022 02:20, kedjenpierrelouis
Which energy changes take place when a pedalling cyclist uses a generator (dynamo) to light his bicycle lamp?
Answers: 2
Physics, 21.06.2019 13:30, nettaboo4664
The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute
Answers: 1
Physics, 22.06.2019 07:00, jeremiahphillip4396
The speed of sound in ice, water, and steam is shown. what best explains the speed of sound in different states of matter? sound travels fastest in ice because energy is easier to transfer when the molecules are close together. sound travels slowest in steam because the sound has to move around the gas molecules that are far apart. sound travels fastest in ice because the temperature of solids is always greater, so the heat transfers the sound energy. sound travels slowest in steam because the pressure is so great the sound cannot travel though the steam particles.
Answers: 1
Which energy changes take place when a pedalling cyclist uses a generator (dynamo) to light his bicy...
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