Physics, 14.08.2021 17:00 Gigglygoose4181
A sound wave is sent at the bottom of a sea. If the echo is heard after 2 sec- calculate the depth of the sea. The speed of sound in water is 1500 m/s.
Answers: 3
Physics, 22.06.2019 07:30
Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life
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The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island
Answers: 1
Physics, 22.06.2019 14:00
Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.
Answers: 1
A sound wave is sent at the bottom of a sea. If the echo is heard after 2 sec- calculate the depth o...
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