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igomit [66]
3 years ago
10

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

Physics
1 answer:
Mars2501 [29]3 years ago
8 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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A boy who is riding his bicycle, moves with an initial velocity of 5 m/s. ten second later, he is moving at 15 m/s. what is his
pantera1 [17]

\Large {{ \sf {Question :}}}

<h3>A boy who is riding his bicycle, moves with an initial velocity of 5 m/s. Ten second later, he is moving at 15 m/s. What is his acceleration?</h3>

\Large {{ \sf {Given :}}}

<h3>Initial Velocity (<em>u</em>) - 5 m/s</h3><h3>Final Velocity (<em>v</em>) - 15 m/s</h3><h3>Time (<em>t</em>) - 10 sec</h3>

\Large {{ \sf {Formulae  :}}}

<h3>If the velocity of an object changes from an initial value <em>u </em>to the final value <em>v </em>in time <em>t,</em><em> </em>the acceleration <em>a</em> is, </h3><h3>a \:  =  \frac{v - u}{t}</h3><h3>\Large {{ \sf {Step-by-step explanation :}}}</h3>

a \:  =  \frac{v - u}{t}  \\ or \:  \: a =  \frac{(15 - 5)}{10} m \: s^{ - 2}  \\ or \:  \: a \:  =  \frac{10}{10}m \: s^{ - 2} \\ or \:  \: a = 1m \: s^{ - 2}

\Large {{ \sf {Answer :}}}

<h3>His acceleration is </h3><h3>1m \: s^{ - 2}</h3><h3 /><h3 />
5 0
3 years ago
How can scientific method solve real world problems examples
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The scientific method is nothing more than a process for discovering answers. While the name refers to “science,” this method of problem solving can be used for any type of problem
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Which of the following is a star that has begun to run out of fuel?
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A car has a kinetic energy of 432,000j when traveling at 32 meters a second, what's the cars mass?
melomori [17]

Answer:843.75kg

Explanation:

kinetic energy(ke)=432000j

Velocity(v)=32m/s

Mass(m)=?

Ke=(mxv^2)/2

432000=(mx32^2)/2

432000=(mx32x32)/2

Cross multiplying we get

432000x2=(mx1024)

864000=1024m

Divide both sides by 1024

864000/1024=1024m/1024

843.75=m

m=843.75kg

4 0
3 years ago
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