Which of the following statements are true? a) light waves are not true waves. b)sound waves can travel through liquids. c)waves can only move matter up and down or from side to side. d) sound waves cannot travel through empty space. e) light waves need matter in order to travel
Answers: 1
Physics, 22.06.2019 06:30
Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.
Answers: 2
Physics, 22.06.2019 12:00
In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer
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Physics, 23.06.2019 13:10
The momentum of a car travelinv in a straight line at 20 m/s is 24,500kg·m/s. what is the cars mass?
Answers: 1
Physics, 23.06.2019 17:30
How would you find force of the ping pong ball rolling down the track?
Answers: 1
Which of the following statements are true? a) light waves are not true waves. b)sound waves can tra...
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