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wariber [46]
3 years ago
8

When electrons leave an atom, the atom becomes?

Physics
1 answer:
Anna [14]3 years ago
5 0
B negatively charged
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A pendulum consists of a 0.3 kg mass at the end of a string. The pendulum is raised to a height of 0.26 m and released. When the
Debora [2.8K]

The total energy of the Pendulum-Earth system is equal to 1.54416 Joules.

<u>Given the following data:</u>

  • Mass = 0.3 kg
  • Height = 0.26 meter.
  • Velocity = 2.28 m/s.

<u>Scientific data:</u>

  • Acceleration due to gravity on Earth = 9.8 m/s^2

To calculate the total energy of the Pendulum-Earth system:

<h3>How to calculate total energy.</h3>

The total energy possessed by this Pendulum-Earth system is equal to the sum of both the potential energy and kinetic energy at its lowest point.

Mathematically, the total energy is given by this formula:

E = mgh + \frac{1}{2} mv^2

Substituting the given parameters into the formula, we have;

E = 0.3 \times 9.8 \times 0.26 + \frac{1}{2}\times 0.3 \times 2.28^2\\\\E=0.7644+0.77976

E = 1.54416 Joules.

Read more on kinetic energy here: brainly.com/question/17081653

6 0
2 years ago
What is the name of the kind of stretch that involves stretching as far as you can and then holding for 10-30 seconds
Dmitriy789 [7]

Answer:

Static stretching.

Explanation:

It is static stretching because it is a form of stretching which u can do actively for a period of time and you hold position for about 30 to 60 seconds which allow the muscles and connective tissues to lengthen. It is done after work out with out movement in order to loosen up muscles so as to gain flexibility.

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3 years ago
Explica AMB DETALL la formació de l'enllaç d’una de les substàncies covalents utilitzant les estructures de Lewis.
Elis [28]
She or did rkddenoeneke
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3 years ago
Hamid is going to heat sodium chloride and water in a beaker. How can he carry out his experiment as
wolverine [178]

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he can wear gogles lab coat and gloves

Explanation:

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3 years ago
Which shows the correct steps in the formation of an ionic bond between these atoms?
Natali5045456 [20]

Answer: D

Explanation: I took the test.

I accidentally posted a comment on it too, sorry about that.

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3 years ago
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