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3 years ago

Describe how a unique position of the sun , earth, and moon creates a lunar eclipse

2 answers:

8 0

A eclipse of the sun can only occur at a new moon when the moon passes between earth and sun. If the moons shadow happens to fall upon earths surface at a time, you'll see some portion of the suns disk covered or aka eclipsed by the moon.. I hope that helps

Naddika [18.5K]3 years ago

7 0

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Ideally, the resistance of an ammeter should be:

pav-90 [236]

Ideally the resistance should be ZERO

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3 years ago

Gas pressure in a closed system is caused by___. A. Heat given off by constant collisions.. B. Compression of the gas. C. Result

jekas [21]

Gas pressure in a closed system is caused by resultant force of all combines collisions. The correct option among all the options that are given in the question is the third option or option "C". The other options can easily be ignored. I hope the answer comes to your help.

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3 years ago

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The weight of a boy having a mass of 50 kg is_____ N

Elden [556K]

Answer: 490

Explanation:

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3 years ago

A charged isolated metal sphere of diameter 15 cm has a potential of 8500 V relative to V = 0 at infinity. Calculate the energy

Elan Coil [88]

Answer:

$u = 0.057 J/m^3$

Explanation:

Energy density near the surface of the sphere is given by the formula

$u = \frac{1}{2}\epsilon_0 E^2$

also for sphere surface we know that

$E = \frac{V}{R}$

R = radius of sphere

V = potential of the surface

now we have

$u = \frac{1}{2}\epsilon_0 (\frac{V^2}{R^2})$

now from the above formula we have

$u = \frac{1}{2}(8.85 \times 10^{-12})(\frac{8500^2}{0.075^2})$

$u = 0.057 J/m^3$

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3 years ago

Does energy have mass and take up space?

Katarina [22]

Energy does not have a mass to take up space... because........let's say you shine a light into space the volume of the light beam is zero... And say you shine a torch by a black hole what would happen is gravity would pull the light due to gravity...so NO energy does not have have a mass and take up space....hope it helped

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3 years ago

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