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Shkiper50 [21]
3 years ago
8

If the absolute value of the price elasticity of demand for DVD movies is 0.8 then the elasticity of demand of the DVD for the m

ovie The Hangover should be
Physics
1 answer:
Natalka [10]3 years ago
5 0

Answer:

greater than 0.8 in absolute value

Explanation:

Price elasticity demand (PED) is a tool used in economics to show the responsiveness or elasticity of the quantity demanded of a good or service to increase in its price when nothing but the price changes. So if  the absolute value of the price elasticity of demand for DVD movies is 0.8 then the elasticity of demand of the DVD for the movie The Hangover should be greater than 0.8 in absolute value.

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In what way is a piano an example of a quantized system?
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When you play a piano, your energy increases in a uniform, continuous manner and is therefore quantized.When you play a piano, you can press only on individual keys, so that your energy is restricted to certain values and is therefore quantized.

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3 years ago
A point charge with a charge q1 = 2.30 μC is held stationary at the origin. A second point charge with a charge q2 = -5.00 μC mo
Alla [95]

Answer:

W = 2.74 J

Explanation:

The work done by the charge on the origin to the moving charge is equal to the difference in the potential energy of the charges.

This is the electrostatic equivalent of the work-energy theorem.

W = \Delta U = U_2 - U_1

where the potential energy is defined as follows

U = \frac{1}{4\pi\epsilon_0}\frac{q_1q_2}{r^2}

Let's first calculate the distance 'r' for both positions.

r_1 = \sqrt{(x_1 - x_0)^2 + (y_1 - y_0)^2} = \sqrt{(0.170 - 0)^2 + (0 - 0)^2} = 0.170~m\\r_2 = \sqrt{(x_2 - x_0)^2 + (y_2 - y_0)^2} = \sqrt{(0.250 - 0)^2 + (0.250 - 0)^2} = 0.353~m

Now, we can calculate the potential energies for both positions.

U_1 = \frac{kq_1q_2}{r_1^2} = \frac{(8.99\times 10^9)(2.3\times 10^{-6})(-5\times 10^{-6})}{(0.170)^2} = -3.57~J\\U_2 = \frac{kq_1q_2}{r_2^2} = \frac{(8.99\times 10^9)(2.3\times 10^{-6})(-5\times 10^{-6})}{(0.3530)^2} = -0.829~J

Finally, the total work done on the moving particle can be calculated.

W = U_2 - U_1 = (-0.829) - (-3.57) = 2.74~J

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3 years ago
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Answer:

the first one stationary charge

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2 years ago
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In a real machine, the work output is always less than the work input.<br> a. True<br> b. False
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3 years ago
White light falls on a yellow filter,if:
riadik2000 [5.3K]

Answer:

all colours are absorbed except for the colour of the filter.

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