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Effectus [21]
2 years ago
9

A ball is thrown at a reflecting surface (mirror) as shown. A video camera is placed in line with the reflected path of the ball

. What will the video camera record?
Chemistry
1 answer:
Oksanka [162]2 years ago
5 0

Explanation:

The video camera will record

A ball moving towards the camera, initially faster and then slower.  

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A gas at 29.4 kPa is cooled from a temperature of 75°C to a temperature of 25°C at constant volume. What is the new pressure of
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<span>To solve this we assume that the gas inside the balloon is an ideal </span>gas. Then, we can use the ideal gas equation which is expressed as PV = nRT. At a constant volume pressure and number of moles of the gas the ratio of T and P is equal to some constant. At another set of condition, the constant is still the same. Calculations are as follows:

 

T1/P1 = T2/P2

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P2 = 25 x 29.4 / 75

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The half life for the decay of radium is 1620 years what is the rate constant
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Determine the expected diffraction angle for the first-order diffraction from the (111) set of planes for FCC nickel (Ni) when m
faust18 [17]

Answer:

56°

Explanation:

First calculate a:

a=2 R \sqrt{2}=2(0.1246) \sqrt{2}=0.352 \mathrm{nm}

The interplanar spacing can be calculated from:

d_{111}=\frac{a}{\sqrt{1^{2}+1^{2}+1^{2}}}=\frac{0.352}{\sqrt{3}}=0.203 \mathrm{nm}

The diffraction angle is determined from:

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3 years ago
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