3 years ago

Which two statements are true about energy transformations?

1 answer:

8 0

Energy is never created nor destroyed

So your answer is Energy is never created
and Energy is never destroyed

Hope this helps :)

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How long does it take for 4 coulombs of charge to pass through a cross

Galina-37 [17]

Answer: 2 seconds

Explanation:

Given that,

Time (T) = ?

Charge (Q) = 4 coulombs

current (I) = 2 Amps

Since charge depends on the amount of current flowing through the wire in a given time, hence

Charge = Current x Time

Q = IT

4 coulombs = 2 Amps x Time

Time = 4 coulombs / 2 Amps

Time = 2 seconds

Thus, it takes 2 seconds for the current to flow through the wire

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Your favorite taco stand is 800 m away, and closes in 15 minutes. How fast do you have to run to make it on

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If the temperature of the conductor is increased, the electrons’ speeds decrease

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3 years ago

Do Small objects exert no gravitational force ? True or false

Zanzabum

Answer:

False -

F = G M1 M2 / R^2

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2 years ago

Calculate the horizontal force that must be applied to a 1,300 kg vehicle to give it an acceleration of 2.6 m/s² on a level road

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The answer is 3,380 N

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