3 years ago

What is an example of gravitational potential to kinetic to electrical current?

1 answer:

6 0

Chemical to thermal to electrical current: Burning of coal or natural gases. Gravitational potential to kinetic to electrical current.

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What did you notice about the angle of incidence and the angle of reflection?

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Answer:

They are equal

Explanation:

angle of incidence = angle of reflection

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2 years ago

Multiple-Concept Example 6 reveiws the principles that play a role in this problem. A nuclear power reactor generates 2.3 x 109

r-ruslan [8.4K]

Answer:

change in mass = 2.41*10^{8}kg

Explanation:

The change in the mass can be computed by using the relation

$E=\Delta mc^2\\\Delta m=\frac{E}{c^2}$ (1)

That is, the energy liberated comes from the mass of the nuclear fuel. The energy generated in one year is

$E=Pt=2.3*10^{9}\frac{J}{s}*1 year*\frac{365.25 day}{1 year}*\frac{24h}{1 day}*\frac{3600s}{1h}=7.25*10^{16}J$

Hence, by replacing in the equation (1) you have (c=3*10^{8}m/s)

$\Delta m=\frac{7.25*10^{16}J}{3*10^{8}\frac{m}{s}}=2.41*10^{8}kg$

HOPE THIS HELPS!!

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3 years ago

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What is a magnetic field’s shape?

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Answer:

Magnets come in a variety of shapes and one of the more common is the horseshoe (U) magnet. The horseshoe magnet has north and south poles just like a bar magnet but the magnet is curved so the poles lie in the same plane. The magnetic lines of force flow from pole to pole just like in the bar magnet.

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When a piece of copper is taken to the moon , a change will be observed in it's ?

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Weight. Because there is less gravity on the moon.

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Which vector is the sum of the vectors shown below?

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Where is the picture??

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