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Vika [28.1K]
3 years ago
6

An alternating current consists of charges that ?

Physics
1 answer:
marishachu [46]3 years ago
7 0
The answer is
move back and forth in a circuit

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If the masses of objects increase and their distance from each other remains the same, then the force of gravity between the two
skelet666 [1.2K]

Answer:

the formula for the force of gravity depends  inversely of the distance and directly of the masses.

F_{G} =G\frac{M_{1} M_{2}}{R^{2}}

This means that if the masses increase and their distance remains the same the force will increase proportionally.

4 0
4 years ago
During the new moon phase, why is the Moon not visible in the sky?
Gennadij [26K]

Answer:

Explanation:

The moon gets the light from the sun. When the moon lies between the sun and the earth, only the back portion of the moon gets the light from the sun. So the side facing the sun does not get any light and appears to be dark or does not appear at all.

Hope this helps

plz mark as brainliest!!!!!!!

3 0
3 years ago
A pitcher throws a 0.15 kg baseball so that it crosses home plate horizontally with a speed of 10 m/s. It is hit straight back a
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Answer:

-5.1 kg m/s

Explanation:

Impulse is the change in momentum.

Change in momentum= final momentum - initial momentum=mv_{2} +mv_{1}

Plugging in the values= -0.15*24 - (0.15*10) (The motion towards the pitcher is negative as the initial motion is considered to be positive)

Impulse=-5.1 kg m/s (-ve means that it is the impulse towards the pitcher)

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3 years ago
Read the paragraph and then answer the question. "A giraffe has to stretch its neck to reach leaves for food. Over time, the gir
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The answer for this question is b, Lamarck!


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Read 2 more answers
Define the focus of a concave lens ​
Sophie [7]

Answer:

<u>Principal</u><u> </u><u>focus</u><u> </u><u>of</u><u> </u><u>concav</u><u>e</u><u> </u><u>lens</u><u> </u><u>-</u><u> </u>

★ The point at which rays parallel to principal axis coming from infinity appear to converge after being refracted from concave lens is called the principal focus of concave lens.

<em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em>

• <u>Additional</u><u> information</u><u> </u><u>-</u><u> </u>

★ Principal focus - A number of rays parallel to the principal axis after reflection from a concave mirror meet at a point on the principal axis or appear to come from a point after reflection from a convex mirror on the principal axis. This is called principal focus.

8 0
3 years ago
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