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nevsk [136]
3 years ago
6

Consider three drinking glasses. All three have the same base area, and all three are filled to the same depth with water. Glass

A is cylindrical. Glass B is wider at the top than at the bottom, so it holds more water than glass A. Glass C is narrower at the top than the bottom, so it holds less water than glass A. Which glass has the greatest liquid pressure at the bottom?A) Glass A
B) Glass B
C) Glass C
D) All three have equal non-zero pressure at the bottom.
E) All three have zero pressure at the bottom.
Physics
1 answer:
natulia [17]3 years ago
7 0
The answer to this question is D
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Coherent light of wavelength 540 nm passes through a pair of thin slits that are 3.4 × 10-5 m apart. At what angle away from the
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Answer: 1.8\°

Explanation:

The diffraction angles \theta_{n} when we have a slit divided into n parts are obtained by the following equation:

dsin\theta_{n}=n\lambda (1)

Where:

d=3.4(10)^{-5}m is the width of the slit

\lambda=540 nm=540(10)^{-9}m is the wavelength of the light  

n is an integer different from zero.

Now, the second-order diffraction angle is given when n=2, hence equation (1) becomes:

dsin\theta_{2}=2\lambda (2)

Now we have to find the value of \theta_{2}:

sin\theta_{2}=\frac{2\lambda}{d} (3)

Then:

\theta_{2}=arcsin(\frac{2\lambda}{d})   (4)

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Finally:

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A 530-g squirrel with a surface area of 935 cm2 falls from a 4.4-m tree to the ground. Estimate its terminal velocity. (Use the
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Width of rectangular prism,b=11.6 cm=\frac{11.6}{100}=0.116 m

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