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notka56 [123]
3 years ago
13

A gas is stored in a cylinder at a pressure of 6.0x10^5 N/m^2 and at a temperature of 10°C will be the change of the volume of t

he gas at 35° C if the pressure of the gars does not change?
Physics
1 answer:
Setler [38]3 years ago
4 0

Answer:

0.34 x 10^-3 m^3

Explanation:

P1 = 6 x 10^5 N/m^2

T1 = 10 degree C = 10 + 273 = 283 K

T2 = 35 degree c = 35 + 273 = 308 K

Pressure remains constant , P2 = P1

P1 V1 = R T1

V1 = (8.314 x 283) / (6 x 10^5) = 3.92 x 10^-3 m^3

Now, let the Volume is V2

P1 V2 = R T2

V2 = (8.314 x 308) / (6 x 10^5) = 4.26 x 10^-3 m^3

Change in volume, v = V2 - V1 = (4.26 - 3.92) x 10^-3 = 0.34 x 10^-3 m^3

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A steel bar of rectangular cross section (1.5 in. 2 3 .0 in.) carries a tensile load P (see fig- ure). The allowable stresses in
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Explanation:

Value of the cross-sectional area is as follows.

        A = 1.5 \times 2.30

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The given data is as follows.

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Now, we will calculate maximum load from allowable stress as follows.

           P_{max} = \sigma_{a}A

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Now, maximum load from shear stress is as follows.

           P_{max} = 2 \times \tau_{a} \times A

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                      = 48990 lb

Hence, P_{max} will be calculated as follows.

       P_{max} = min((P_{max})_{\sigma}, (P_{max})_{\tau})

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During a football game, the running back changes direction from running 4.5 m/s [N] to 4.5 m/s [S] over 8 s. What is the acceler
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