Answer:
When boiling water is poured into a thick tumbler its inner surface expands. However, due to low thermal conductivity of glass, the expansion of outer surface of the tumbler is quite small. Due to uneven expansion of the outer and inner surfaces, the tumbler breaks.
Explanation:
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Answer:
by a seprating funnel or let it stand it will settle on its own
Explanation:
The one that will change the velocity of a periodic wave is :
B. Changing the medium of the wave
Waves is always determined by the properties of the medium, which means that changing the medium will change the velocity of the wave
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Answer: velocity = -0.65 speed =0.65
Explanation:
Velocity =speed+direction speed =distance/time
