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cestrela7 [59]
3 years ago
11

Explain and derive the equation for capillary action in the phenomenon of surface tension​

Physics
1 answer:
lapo4ka [179]3 years ago
3 0

Answer:

Explanation:Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of, ... This article is about the physical phenomenon. ... If the diameter of the tube is sufficiently small, then the combination of surface tension (which is caused by cohesion ... They derived the Young–Laplace equation of capillary action.

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Complete the sentence to describe what a wave is and what it does.
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A wave is a vibration in mediun tbat carries energy from one place to another.

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Electrically inert metal ball A is connected to the ground by a wire. What happens to the charge of this ball if you bring a neg
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Explanation:

They will repel, meaning that they are made of an electrical conductor.

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3 years ago
Helpp pleaseeeeee …..
Lilit [14]

Answer:

300 cos 30 = 40 a + 40 * .2 * 10

Total force = mass * acceleration + frictional force

260 = 40 a + 80

a = 180 / 40 = 4.5 m/s^2

Check:

15 a + 15 * 10 * .2 = T    acceleration of 15 kg block (assuming a = 4.5)

T = 15 (4.5) + 30 = 97.5     force required to accelerate 15 kg block

260 - 97.5 = 162.5     net force on 25 kg block

162.5 = 4.5 (25) + 25 * 10 * .2

162.5 = 112.5 + 50 = 162.5

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8 0
2 years ago
A man does 500 j work pushing a car a distance of 2m how much force does he apply
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Answer: 250 N

Explanation:

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W=F*d

d=2m

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-----------------------

W=Fd

F=W/d

F=500J/2m

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6 0
3 years ago
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