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RUDIKE [14]
3 years ago
14

(25 Brainly Points.)

Physics
1 answer:
Advocard [28]3 years ago
3 0

Because an earthquake happens when two of the atomic plates rub together .


Hopes this helps. PLZ MARK BRAINIEST

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Rina8888 [55]

AC or DC

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3 years ago
A girl with a mass of 27 kg is playing on a swing. There are three main forces
N76 [4]

The tension in the swing's chain at the bottom of the swing is 178.35 N.

The given parameters:

  • Mass of the girl, m = 27 kg
  • Speed of the girl, v = 3 m/s
  • Radius of the circle, r = 4 m

The tension in the swing's chain at the bottom of the swing is calculated as follows;

T = mg + ma_c\\\\ T= mg + \frac{mv^2}{r} \\\\T = (12 \times 9.8) + (\frac{27 \times 3^2}{4} )\\\\T = 117.6 \ N \ + \ 60.75 \ N\\\\T = 178.35 \ N

Thus, the tension in the swing's chain at the bottom of the swing is 178.35 N.

Learn more about tension in vertical circle here: brainly.com/question/19904705

3 0
2 years ago
What happens to gravitational potential energy as a rollercoaster moves down a hill? Question 4 options: It is converted to elas
inysia [295]

The gravitational potential energy as a rollercoaster converts to kinetic energy when it moves downhill.

<h3>What is kinetic energy?</h3>

The kinetic energy of an object or body is due to its motion. When the roller coaster moves downhill it accelerates, thus the gravitational potential energy as a rollercoaster converts to kinetic energy.

The gravitational potential energy of an object or body is due to its position above the ground.


Therefore, the gravitational potential energy as a rollercoaster converts to kinetic energy when it moves downhill.

Learn more about kinetic energy:

brainly.com/question/1250558

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3 years ago
Help I’ll give ndburbrbruejdmd
Brilliant_brown [7]

Answer:

Explanation:

1.{1,3}2. adn as if bruh ma dude

6 0
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scientific endeavor is a purely positive action that does not sometimes cause potentially harmful results.
Naya [18.7K]
I think that the question is simply asking whether the statement is correct.

The statement is wrong! The scientific endeavor (the work of the scientists, the pursue of knowledge) can be potentially harmful. For example, many tests of human medicine have to be performed on animals, and often the medicine causes great suffering in the animals (and gets rejected for testing on humans).
6 0
3 years ago
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