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krek1111 [17]
3 years ago
7

What happens to pressure if temperature increases?

Physics
1 answer:
andrezito [222]3 years ago
7 0
When the temperature increases the pressure must also increase.
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padilas [110]
The answer is the cetripetal force


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3 years ago
Two blocks, with masses m and 3m , are attached to the ends of a string with negligible mass that passes over a pulley, as shown
liq [111]

Answer:

(a)v = √gd (b) Td - Td = 0 (c) -g/4 m/s²

Explanation:

Solution

Given that:

By the work energy theorem,

ΔKE = W = work done

1/2 *3m * v² + 1/2 * m * v² = 3mgd - mgd

so,

2 v² = 2gd

v = √gd

(b)W tension system = Td - Td = 0

(c) a = 3mg - mg/ 4m = g/2

Thus,

Acm = 3 m (g/2) + m (g/2)/4m

= -g/4 m/s²

Note: The complete question to this example is shown below

Two blocks, with masses m and 3m, are attached to the ends of a string with negligible mass that passes over a pulley, as shown above. The pulley has negligible mass and friction and is attached to the ceiling by a bracket. The blocks are simultaneously released from rest.

(a) Derive an equation for the speed v of the block of mass 3m after it falls a distance d in terms of m, d, and physical constants, as appropriate.

(b) Determine the work done by the string on the two-block system as each block moves a distance d.

(c) The acceleration of the center of mass of the blocks-string-pulley system has magnitude aCOM . Briefly  explain, in terms of any external forces acting on the system, why aCOM

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How many changes of state are shown?<br> 0<br> 1<br> 2<br> 3
ivann1987 [24]

Answer: 2

I just took the test.

You’re welcome

7 0
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Read 2 more answers
To increase the period of a mass-spring oscillator, increase the ___
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Perform the following mathematical operation and report answer to the correct number of significant figures 143.6 divided by 21.
Svetllana [295]

The answer to the correct number of significant figures is 6.774.

<h3>What is quotient?</h3>

When a number(big) divided smaller number, the answer obtained greater than zero is called a quotient.

Divide 143.6 ÷ 21.2

143.6/21.2 = 1436/212

                  =6.77358

The quotient is rounded to three significant figures after decimal

143.6 ÷ 21.2 = 6.774

Thus, the answer to the correct number of significant figures is 6.774

Learn more about quotient

brainly.com/question/27796160

#SPJ1

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2 years ago
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