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Artemon [7]
3 years ago
7

Which of the following energy sources is in no way derived from the Sun?

Physics
2 answers:
Assoli18 [71]3 years ago
7 0
Tidal, wind, and oil energy are derived from the sun. Nuclear isn't.
Law Incorporation [45]3 years ago
7 0
A.) nuclear energy.  is the answer
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Which of the following is the method by which air is cooled in the food storage component of a refrigerator?
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Answer: Convection :)

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The angle of reflection is 42 degrees because it says the angle of incidence is equal to the angle of reflection
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What is the work done by a 47n force pushing a pencil 0.26m?
blsea [12.9K]
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An element's atomic number is 59. How many electrons would an atom of this element have?
katrin [286]
Hi,
An element’s atomic number tells how many protons an atom of this element has. Protons have a positive electric charge, while electrons have a negative one. If an atom is electrically neutral (as in this case, otherwise it should have been specified) the number of protons and electrons are equal. So, an atom of the element would have 59 electrons.

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6 0
3 years ago
A simple pendulum suspended in a rocket ship has a period <img src="https://tex.z-dn.net/?f=T_%7B0%7D" id="TexFormula1" title="T
Nastasia [14]

(1) If the ship moves upward with a constant velocity, the period increases, false.

(2) If the length of the pendulum is doubled, the new period will be: square root of 2 times T₀. true.

(3) If the ship accelerates upward, the period increases, false

(4) If the ship accelerates downward at 9.81 m/s² , the pendulum will no longer oscillate, false.

(5) If the mass of the pendulum is halved, the period decreases, false.

<h3>Period of a simple pendulum</h3>

The period of a simple pendulum is given as;

T = 2π√(L/g)    ------- (1)

where;

  • L is length of the pendulum
  • g is acceleration due to gravity

When the ship moves upward with a constant velocity, the period will not change.

<h3>When the length of the pendulum is doubled</h3>

T ∝√L

when, L = 2L₀

T = T₀√2

Thus, if the length of the pendulum is doubled, the new period will be: square root of 2 times T₀.

<h3>when ship accelerates upward</h3>

t = √2h/g

where;

  • g is acceleration due to gravity

The acceleration due to gravity will be constant, hence the period will not change.

<h3>when mass of the pendulum is halved</h3>

T = √I/mgd

where;

  • m is mass of the pendulum

when the mass is halved, the period increases.

Learn more about period of pendulum here: brainly.com/question/26524032

#SPJ1

8 0
1 year ago
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