A car travels west at 40 km/h
a man on a bike travels at 10 km/h
what is the speed of the car relative to the speed of the bicycle ?
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Ответ:
As volume decreases, the pressure increases. In this case, squeezing the bottle reduces the volume. However, the volume in which the particles bounce around in is decreasing, therefore the number of collisions between the particles and the inner surface of the water bottle increases. The pressure the gas exerts on the inside of the bottle is greater than the pressure exerted on the bottle by the outside air. When the hot air is cooled, the gas particles slow down and the volume of the gas decreases.