2006-11-21 09:30:51 · 5 answers · asked by azera221 4 in Science & Mathematics ➔ Physics
The terminal velocity of a spherical object passing through a viscous material and subject to a constant force (for example gravitational or buoyant) is directly proportional to the radius of the object. Therefore, bigger raindrops have a higher terminal velocity as compared to smaller drops while falling to the earth through the atmosphere. The bubbles in champagne increase in size as they rise to the top as the pressure in champagne decreases as the bubble moves towards the top. Thus, the buoyant force also increases with increase in weight of displaced champagne (due to increase in size of the bubble) and the increase in size of the bubble also results in increase in the terminal velocity.
2006-11-24 15:22:53 · answer #1 · answered by RG 1 · 0⤊ 0⤋
Because bubbles expand as the pressure decreases. Their volume increases faster than the surface area increases. The force (bouyancy) pushing them up increases with increasing volume while the resistance increases with increasing surface area. The upward force predominates at an accelerating rate so they rise faster.
2006-11-21 17:40:16 · answer #2 · answered by Flyboy 6 · 1⤊ 0⤋
Do they accelerate in speed or just grow larger due to the change in pressure with a decrease in depth?
2006-11-21 17:35:35 · answer #3 · answered by jack w 6 · 0⤊ 0⤋
theyare formed by carbon to preserve it when the accelerate its because they are being pulled morethe bubble is less dense then the champain
2006-11-21 17:33:32 · answer #4 · answered by markus 1 · 0⤊ 0⤋
because they are gaining momentum
2006-11-21 17:33:30 · answer #5 · answered by czekoskwigel 5 · 0⤊ 0⤋