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lbvjy [14]
2 years ago
6

A piston cylinder device contains 2kg of water at 27°c . the pressure of the system is 3 MPa. then the heat is added to the wate

r , keeping the pressure constant, until the temperature of the system reaches 340°c , during the heat addition, the volume of the cylinder is expected by 0.075m³ . determine.
1) the work done.

2) the heat addition between 27°c to 100°c.

{specific heat capacity of water-4186J/kgK​
Physics
1 answer:
ZanzabumX [31]2 years ago
7 0

Answer:

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soi aamso jodidamente lol siento que me enfrie want thig ror youasi que sobre todo lol siento soy mexican y agora no se Como escribir en ingles

soi aamso jodidamente lol siento que me enfrie want thig ror you

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Answer:

Option (2)

Explanation:

From the figure attached,

Horizontal component, A_x=A\text{Sin}37

A_x=12[\text{Sin}(37)]

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Vertical component, A_y=A[\text{Cos}(37)]

    = 9.58 m

Similarly, Horizontal component of vector C,

C_x  = C[Cos(60)]

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C_y=6[\text{Sin}(60)]

    = 5.20 m

Resultant Horizontal component of the vectors A + C,

R_x=7.22-3=4.22 m

R_y=9.58-5.20 = 4.38 m

Now magnitude of the resultant will be,

From ΔOBC,

R=\sqrt{(R_x)^{2}+(R_y)^2}

   = \sqrt{(4.22)^2+(4.38)^2}

   = \sqrt{17.81+19.18}

   = 6.1 m

Direction of the resultant will be towards vector A.

tan(∠COB) = \frac{\text{CB}}{\text{OB}}

                  = \frac{R_y}{R_x}

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m∠COB = \text{tan}^{-1}(1.04)

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Therefore, magnitude of the resultant vector will be 6.1 m and direction will be 46°.

Option (2) will be the answer.

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The amount of current passing through the point is 1 A

The amount of current passing through the point can be calculated using the formula below.

⇒ Formula:

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