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quanntwann2873
28.06.2019 •
Physics
Does a volcano contain a medium? does the energy travel through anything- the transverse waves?
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Ответ:
This molten rock is called magma when it is beneath the surface and lava when it erupts or flows from a volcano. Along with lava, volcanoes also release gases, ash, and rock. ... Volcanoes form at the edges of Earth's tectonic plates
Ответ:
0.3m/s
Explanation:
speed=distance moved by the object/time taken
speed=15/25
speed=0.6
but we are asked to calculate average speed
so speed/2
average speed= 0.6/2
average speed=0.3m/s