Physics, 08.08.2019 11:10 girlchamp654
In which of the following conditions would a person not hear an echo? a. a sound wave reaches the ear, and the reflected wave reaches the ear less than 0.1 seconds later, b. a person is standing in the range of the sound waves coming from the original sound sources as well as the reflected waves, c. the reflecting wave source is approximately 21.5 meters from the person, d. a person is standing 30 meters in front of the reflecting surface.
Answers: 3
Physics, 22.06.2019 10:50
If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.
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Physics, 22.06.2019 17:30
Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance
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Physics, 22.06.2019 20:00
Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?
Answers: 1
In which of the following conditions would a person not hear an echo? a. a sound wave reaches the e...
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