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zlopas [31]
3 years ago
14

The balloon contain no gas initially.When it is connected to the cylinder gas enters the balloon the pressure in the cylinder de

creases.Explain why the molecules inside the cylinder exerts a large pressure initially
Physics
1 answer:
xeze [42]3 years ago
4 0

Answer:

17

Explanation:

121354

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Two Polaroids are aligned so that the initially unpolarized light passing through them is a maximum. At what angle should one of
steposvetlana [31]

To solve this problem it is necessary to apply the law of Malus which describes the change in the Intensity of Light when it crosses a polarized surface.

Mathematically the expression is given as

I = I_0 cos^2\theta

Where,

I_0= Initial Intensity

I = Final Intensity after pass through the polarizer

\theta= Angle between the polarizer and the light

Since it is sought to reduce the intensity by half the relationship between the two intensities will be given as

\frac{I}{I_0} = \frac{1}{2}

Using the Malus Law we have,

I = I_0 cos^2\theta

cos^2\theta = \frac{I}{I_0}

cos^2\theta = \frac{1}{2}

\theta = cos^{-1}(\frac{1}{2})^2

\theta = 75.52\°

Angle with respect to maximum is 90-75.52 = 14.48\°

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2 years ago
As altitude increases in the troposphere and stratosphere, the air temperature does what?
natima [27]

Answer:

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Explanation:

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A ball on a cart is moving at a rate of 2 m/s. The cart suddenly stops and the ball continues to travel in the same direction at
sukhopar [10]

Answer:

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Cause it will continue in motion till another force is applied

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I really hope this helps

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