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3 years ago

The charge on a charged sphere is concentrated at (or on) it’s

Physics

2 answers:

rewona [7]3 years ago

8 0

The CORRECT answer is:

The charge on a charged sphere is concentrated at (or on) it's SURFACE.

Naily [24]3 years ago

5 0

The charge on a charged sphere is concentrated on its center .

Explanation : 

The charge on a charged sphere is just concentrated in the center of a shell. We can also say that that the charges are being distributed across the charged sphere. This is totally because of the absence of the electric field. In other words, we can say that, inside a conductor, the electric field is zero.

And that is why the charges are distributed across the surface. Due to the electrostatic forces inside the nucleus or the atom, the apparent forces get cancelled and thus the electric field becomes zero.

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Find h , the maximum height attained by the projectile. express the maximum height in terms of v 0 , Î¸ , and g .

lutik1710 [3]

solution:

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4 years ago

How is high-ordered conditioned performed

Blababa [14]

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3 years ago

Change to Kelvin 60 degree Celicius؟

nikitadnepr [17]

Answer:

-213

Explanation:

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3 years ago

A 26.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 225 N. For the first 11.0 m th

frozen [14]

Answer:

18 m/s

Explanation:

Force is given by mass × acceleration

F = ma

a = F/m

For the first 11.0 m, there is no friction. Hence, the constant force is applied fully on the crate. The acceleration is

a = 225/26.0 m/s²

By the equation of motion, v² = u² + 2as

where v is the final velocity, u is the initial velocity, a is the acceleration and s is the distance travelled.

Using the values for the first part of the motion,

v² = 0² + 2 × 8.65 × 11.0

v = 13.8 m/s

This is the initial velocity for the second part of the motion. This part has friction of coefficient 0.20.

The frictional force = 0.20 × weight = 0.20 × 26.0 × 9.8 = 50.96 N

The effective force moving the crate in the second motion = 225 - 50.96 N = 174.04 N

This gives an acceleration of 174.04/26.0 = 6.69 m/s².

Using parameters for the equation of motion, v² = u² + 2as

v² = 13.8² + 2 × 6.69 × 10 = 324.24

v = 18 m/s

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4 years ago

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AfilCa [17]

This is false. There were many times in history when people discovered something that they didn't even know was possible or didn't even plan to discover it. Knowing tradeoffs doesn't mean that something won't surprise you or that all will go according to plan.

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4 years ago