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N76 [4]
2 years ago
7

Explain any 3 alternating ways of producing electricity​

Physics
1 answer:
ehidna [41]2 years ago
4 0

Answer:

to produce electricty three ways you have the water wheel the wind mill and solor panels

Explanation:

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How many neutrons does element X have if it’s atomic number is 28 and it’s mass number is 81?
Sauron [17]

Answer:

53

Explanation:

M-A=N

Mass-Atomic #= Neutrons

81-28= 53

3 0
3 years ago
Read 2 more answers
What is the magnitude of the acceleration of a speck of clay on the edge of a potter's wheel turning at 45 rpm (revolutions per
Brilliant_brown [7]

Answer:

a_{cp}=7.77m/s^2

Explanation:

The equation for centripetal acceleration is a_{cp}=\frac{v^2}{r}.

We know the wheel turns at 45 rpm, which means 0.75 revolutions per second (dividing by 60), so our frequency is f=0.75Hz, which is the inverse of the period T.

Our velocity is the relation between the distance traveled and the time taken, so is the relation between the circumference C=2\pi r and the period T, then we have:

v=\frac{C}{T}=2\pi r f

Putting all together:

a_{cp}=\frac{(2\pi r f)^2}{r}=4 \pi^2f^2r=4 \pi^2(0.75Hz)^2(0.35m)=7.77m/s^2

4 0
3 years ago
In the context of depth perception, which of the following is a monocular cue?
olga55 [171]
Hello there.

<span>In the context of depth perception, which of the following is a monocular cue?

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8 0
3 years ago
A soccer player kicks a ball at rest on the
scoundrel [369]

The kinetic energy and gravitational potential energy changes during its movement from ground to the top height.

<h3>What happens to kinetic and potential energy while motion?</h3>

When the ball moves upward, its gravitational potential energy is increases and kinetic energy begins to decrease but when the ball falls towards the earth, its gravitational potential energy is transformed into kinetic energy. When the ball collides with the ground, the kinetic energy is transformed into other forms of energy.

Learn more about kinetic energy here: brainly.com/question/20658056

5 0
1 year ago
A coin purse contains d dimes and q quarter's. There are 20 coins in the purse and the total value of the coins is $4.25. Which
ch4aika [34]

Answer:

a

Explanation:

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2 years ago
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