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2 years ago

Which describes the electric field at the center of a ring of uniform negative charge?.

Physics

1 answer:

Bingel [31]2 years ago

7 0

Answer:

A negatively charged particle -q is placed at the center of a uniformly charged ring, where the ring has a total positive charge Q as shown in the following figure. The particle, confined to move along the x axis, is moved a small distance x along the axis ( where x << a) and released. Show that the particle oscillates in simple harmonic motion with a frequency given by,

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Sally is trying to lift a heavy box, but is not strong enough to lift it. Would the force that she is applying to the box be an

mestny [16]

If you give it unbalanced force it would go up and if you can't give it enough it will stay a balanced force

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3 years ago

Which is true of magnetic field lines but not electric field lines?

marusya05 [52]

The closer the field lines, the stronger the field, whereas for electric field, the higher the electric flux passing through, the stronger the electric field.

Explanation:

Another difference between the two is that magnetic fields formed closed loops around the magnetic while electric fields do not. Electric fields are measured in two dimensional while magnetic fields in 3 dimensional. The electric field line can do work while magnetic fields can not (because particles in magnetic field remain constant even though the charge may change direction).

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3 years ago

Read 2 more answers

A/an select one is a type of electric circuit in which the overall resistance of the circuit increases as items are added to the

qwelly [4]

Parallel circuit<span>, as the number of resistors increases, the overall current also increases.</span>

4 0

3 years ago

A 1 kilogram ball has 8 joules of kinetic energy. what is its speed

ivann1987 [24]

$KE = \frac{1}{2}mv^{2} \\ v = \sqrt{ \frac{2KE}{m} } \\ v = \sqrt{ \frac{2*8J}{1kg} } \\ v = 4m/s$

Therefore, the ball has a velocity of 4m/s.

6 0

3 years ago

Is It true that if you drop a heavy object and a lighter object at the same time, they will both drop at the same time due to gr

valkas [14]

Answer:

$\huge\boxed{True.}$

Explanation:

This is true because gravity is independent of mass. Whether it's a heavy or a light object, when dropped, they both will hit the ground at the same time. The reason is that gravity does not depend on mass.

Hope this helped!

<h2>~AnonymousHelper1807</h2>

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3 years ago