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lozanna [386]
2 years ago
12

A moonshiner makes the error of filling a glass jar to the brim and capping it tightly. The moonshine expands more than the glas

s when it warms up, in such a way that the volume increases by 0.6% (that is, ΔV/V0 = 6 ✕ 10-3) relative to the space available. Calculate the force exerted by the moonshine per square centimeter if the bulk modulus is 2.1 ✕ 109 N/m2, assuming the jar does not break.

Physics
1 answer:
iogann1982 [59]2 years ago
8 0

The force exerted per square centimeter is 126 N/cm².

<h3>What is pressure?</h3>

Pressure is the force acting per unit area.

  • Pressure = force/area

Based on the data given:

volume increase, ΔV/V0 = 6 * 10⁻³

Bulk Modulus, B = 2.1 * 10⁹ N/m²

Bulk modulus B of a material is ratio of change in pressure and change in volume as given below:

  • B = ΔP/ [(ΔV/V)]

Solving for ΔP;

ΔP = B * [(ΔV/V)]

ΔP = (2.1 * 10⁹ N/m²) * (6 * 10⁻³)

ΔP = 1.26 * 10⁶ N/m²

Converting to per square centimeter

ΔP = (1.26 * 10⁶ N/m²)/10⁴

ΔP = 126 N/cm²

In conclusion, the force exerted per square centimeter is a measure of the pressure.

Learn more about pressure at: brainly.com/question/15428847

#SPJ1

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a stone is thrown by a person from the top of the building, which is 200m tall. at the same time, another stone is thrown with v
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Answer:

The time after which the two stones meet is tₓ = 4 s

Explanation:

Given data,

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The velocity of the stone thrown from foot of the building, U = 50 m/s

Using the II equation of motion

                             S = ut + ½ gt²

Let tₓ be the time where the two stones  meet and x be the distance covered from the top of the building

The equation for the stone dropped from top of the building becomes

                            x = 0 + ½ gtₓ²

The equation for the stone thrown from the base becomes

                S - x = U tₓ - ½ gtₓ²  (∵ the motion of the stone is in opposite direction)

Adding these two equations,

                      x + (S - x) = U tₓ

                               S = U tₓ

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∴                                  tₓ = 4 s

Hence, the time after which the two stones meet is tₓ = 4 s   

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Answer:

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Explanation:

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For parallel, 1/Rt = 1/2 + 1/2 + 1/2 + 1/2

1/Rt = 4/2, Rt = 2/4 ohms.

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I = 1/4 = 0.25 ampere for series arrangement.

I = 1/0.5 = 2 ohms.

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