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anzhelika [568]
3 years ago
14

A carbon atom can form 4 covalent bonds how many valence electrons does a carbon atom have?

Physics
1 answer:
frozen [14]3 years ago
8 0
I am 11 year old I just wanted to login in so I don't know the answer
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You are performing an experiment that requires the highest possible energy density in the interior of a very long solenoid. Whic
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Answer:

b. increasing the number of turns per unit length on the solenoid

e. increasing the current in the solenoid

Explanation:

As we know that energy density depends on the strength of the magnetic field. The magnetic field strength depends on the no of turns of the solenoid and the current passing through it. The greater the number of turns per unit length, greater the current passing through it, more stronger the magnetic field is. As

B = μ₀nI

n = no of turns

I = current through the wire

So the right options are

b. increasing the number of turns per unit length on the solenoid

e. increasing the current in the solenoid

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3 years ago
What does it mean for forces to be in equilibrium?.
lapo4ka [179]

Explanation:

If the size and direction of the forces on the object are exactly balanced , then there is no net force acting on the object

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A person pulls a box across the floor with a rope. The rope makes an angle of 40 degrees tot he horizontal, and a total of 125 n
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Answer:

The angle formed of the rope with the surface = 40°

Force applied = 125Newtons

The displacement covered by the box =25metres

W= FDcos theta

[125×40×cos(40°) ] Joules

= [ (3125×0.76604444311)]Joules

= 2393.88888472 joules(ans)

Hope it helps

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2 years ago
There are stars located in the center bulge of the Milky Way and the spiral arms of the Milky Way. What is the difference betwee
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Answer:

The stars at the center bulge are bigger and brighter than the stars in the arms.

Explanation:

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Which way does heat travel? Explain your answer.
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