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Alexeev081 [22]
2 years ago
12

Explain how motion and energy are related to roller coasters, please be specific!

Physics
1 answer:
Fittoniya [83]2 years ago
4 0
Because when an object is in motion it has kinetic energy
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3 years ago
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A constant voltage of 12.00 V has been observed over a certain time interval across a 1.20 H inductor. The current through the i
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Answer:

The time is 0.5 sec.

Explanation:

Given that,

Voltage V= 12.00 V

Inductance L= 1.20 H

Current = 3.00 A

Increases rate = 8.00 A

We need to calculate change in current

\Delta A = 8.00-3.00= 5.00\ A

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Using formula of inductor

V=L\dfrac{\Delta A}{\Delta t}

\Delta t =\dfrac{L\Delta A}{V}

Where, \Delta A = change in current

V = voltage

L = inductance

Put the value into the formula

\Delta t=\dfrac{1.20\times5.00}{12.00}

\Delta t=0.5\ sec

Hence, The time is 0.5 sec.

5 0
2 years ago
What do hydrogen and helium have in common?
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3 years ago
Work is a transfer of (1 point) energy. force. mass. motion.
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The impulse required to decrease the speed of the boat is equal to the variation of momentum of the boat:
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where
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By substituting the numbers into the first equation, we find the impulse:
J=m\Delta v=(225 kg)(-6 m/s)=-1350 N s
and the negative sign means the direction of the impulse is against the direction of motion of the boat.
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3 years ago
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