PHYSICS MIDDLE SCHOOL

2. A force of 24x10² N exists between a positive charge of 8x10-5C and a positive charge of 3x10C.What distance separates the charges?

Answers

Answer 1
Answer:

Answer: 94.9 metres

Explanation:

Given that,

Force between the two charges (F) = 24x10² N

Negative charge (q1) = 8x10-5C

Positive charge (q2) = 3x10C

Distance between charges (r) = ?

Apply the formula for

F= (kq1q2) / r²

Recall that k is Coulomb's constant with a value of 9 × 10^9 Nm2C−2

Then,

24x10² N = (9 × 10^9 Nm2C−2 x 8x10-5C x 3x10C) / r²

24x10² N = (2.16 x 10^7) / r²

r² = (2.16 x 10^7 / 24x10² N)

r² = 9000

To get the value of r, find the square root

r = √9000

r = 94.868m (rounded to the nearest tenth as 94.9m)

Thus, a distance of 94.9 metres separates the charges.

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Explanation:

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Answers

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What portion of the electromagnetic spectrum can human eyes detect? A.
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B.
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Answers


Well, there's a very definite reason why a certain sliver of the electromagnetic
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The meaning of the word 'visible' is 'can be seen with eyes', and that's the label
given to the part of the electromagnetic spectrum that can be seen with eyes.
It doesn't include infrared or ultraviolet radiation, because those cannot be seen
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Explanation:

A light shines up from the bottom of a fish pond.Which diagram shows the correct path of light as it leaves the water of the pond and hits the air?

Answers

For the question "A light shines up from the bottom of a fish pond. Which diagram shows the correct path of light as it leaves the water of the pond and hits the air?" The second diagram is the correct answer. Water has a higher refractive index than air so the ray of light passing from water to air will be refracted away from the normal (the vertical) towards the surface of the water.

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Answers

The charge of a droplet having 3 extra electrons is –3

Let the number of proton and electron of the droplet at ground state be 1

  • From the question given above, we were told that the droplet now have 3 extraelectronsi.e

Proton = 1

Electron = 1 + 3 = 4

Charge=?

The charge on the droplet can be obtained as follow:

Charge = Proton – electron

Charge = 1 – 4

Charge = –3

Therefore, the droplet has a charge of –3

Learn more: brainly.com/question/6123830

Answer:

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Answer these questions:How many tectonic plates can be identified on earth today?
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Answer clearly,
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Answers

Answer:

1) Seven tectonic plates can be identified in the earth today.

2) The old sea floor sinks back into the earth to be recycled at the subduction zone.

3) The world's last supercontinent is known as Pangaea.

4) Pangaea began breaking up approximately 175 million years ago.

Explanation:

I hope this helped!!!!
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