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3 years ago

13

Prove that the rate of heat production in each of the to resistor connecting in parallel is inversly proportional to the resista

nce

1 answer:

Bogdan [553]3 years ago

4 0

If there is more resistance heat will be made more, while less resistance is less heat

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Which of the following describes an ionic compound (or what is true for ionic compounds)?

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Answer:

a b c

Explanation:

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4 years ago

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oksano4ka [1.4K]

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4 years ago

Once a well has reached the water table, it will not run dry true or false? -earth science

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No, this is false.

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4 years ago

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Water drops fall from the edge of a roof at a steady rate. a fifth drop starts to fall just as the first drop hits the ground. a

Alchen [17]

The height of the roof is <u>3.57m</u>

Let the drops fall at a rate of 1 drop per t seconds. The first drop takes 5t seconds to reach the ground. The second drop takes 4t seconds to reach the bottom of the 1.00 m window, while the 3rd drop takes 3t s to reach the top of the window.

Calculate the distances traveled by the second and the third drops s₂ and s₃, which start from rest from the roof of the building.

$s_2=\frac{1}{2} g(4t)^2=8gt^2\\ s_3=\frac{1}{2} g(3t)^2=(4.5)gt^2$

The length of the window s is given by,

$s=s_2-s_3\\ (1.00 m)=8gt^2-4.5gt^2=3.5gt^2\\ t^2=\frac{1.00 m}{(3.5)(9.8m/s^2)} =0.02915s^2$

The first drop is at the bottom and it takes 5t seconds to reach down.

The height of the roof h is the distance traveled by the first drop and is given by,

$h=\frac{1}{2} g(5t)^2=\frac{25t^2}{2g} =\frac{25(0.02915s^2)}{2(9.8m/s^2)} =3.57 m$

the height of the roof is 3.57 m

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4 years ago

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Which waves are mechanical waves?

dezoksy [38]

<span>sound waves is an example of mechanical waves</span>

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3 years ago

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