Physics, 30.12.2019 20:31 ppennycuff405125
When a sound from a source is refracted away from the surface of the earth, it gives an indication that the
a. air is cooler than the ground. b air has high humidity. c wind is blowing in the direction of the sound. d ground is cooling faster than the air.
Answers: 1
Physics, 21.06.2019 23:20
Asmall, positively charged ball is moved close to a large, positively charged ball. which describes how the small ball likely responds when it is released? it will move toward the large ball because like charges repel. it will move toward the large ball because like charges attract. it will move away from the large ball because like charges repel. it will move away from the large ball because like charges attract.
Answers: 3
Physics, 22.06.2019 19:30
What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical
Answers: 2
Physics, 23.06.2019 02:30
Atrain is traveling at 30.0 m/s relative to the ground in still air. the frequency of the note emitted by the train whistle is 262 hz. the speed of sound in air should be taken as 344 m/s. what frequency (f approach) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and approaching it? what frequency (f recede) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and receding from it?
Answers: 1
Physics, 23.06.2019 02:50
Aweather balloon has a volume of 52.5 liters at a temperature of 252 k. the balloon is released and rises to an altitude where the temperature is 295 k. how does this temperature change affect the gas particle motion?
Answers: 1
When a sound from a source is refracted away from the surface of the earth, it gives an indication t...
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