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dybincka [34]
3 years ago
15

How is the tesla coil used today

Physics
2 answers:
OlgaM077 [116]3 years ago
8 0
It is used to produce high voltage low current and high frequency
marshall27 [118]3 years ago
6 0
H<span>igh voltage demonstrations!</span>
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You can use the curved part of a spoon as a mirror because it ________ light.
zhenek [66]

Answer:

Reflects

Explanation:

A metal spoon looks very shiny because its surface is very smooth, which is why it acts like a mirror and reflects light very well.

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2 years ago
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When the Moon orbits Earth, what is the centripetal force?
nata0808 [166]

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Gravity is the centripetal force when the moon orbits the earth.

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Does the sun always shine directly overhead at the equator at noon
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The sun always shines directly overhead at noon. This is because the equator always gets the equivalent amount of sunlight. The area always get 12 hours of sunlight, because it's 0 degrees north and south and it's at the center of the Earth.
4 0
3 years ago
If a sealed syringe is plunged into cold water, in which direction will the syringe piston slide? *
Tamiku [17]

Answer:

a

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5 0
2 years ago
A proton moving at 3.0 × 10^4 m/s is projected at an angle of 30° above a horizontal plane. If an electric field of 400 N/C is a
GuDViN [60]

Answer:

The time it takes the proton to return to the horizontal plane is 7.83 X10⁻⁷ s

Explanation:

From Newton's second law, F = mg and also from coulomb's law F= Eq

Dividing both equations by mass;

F/m = Eq/m = mg/m, then

g = Eq/m --------equation 1

Again, in a projectile motion, the time of flight (T) is given as

T = (2usinθ/g) ---------equation 2

Substitute in the value of g into equation 2

T = \frac{2usin \theta}{\frac{Eq}{m}} =\frac{m* 2usin \theta}{Eq}

Charge of proton = 1.6 X 10⁻¹⁹ C

Mass of proton = 1.67 X 10⁻²⁷ kg

E is given as 400 N/C, u = 3.0 × 10⁴ m/s and θ = 30°

Solving for T;

T = \frac{(1.67X10^{-27}* 2*3X10^4sin 30}{400*1.6X10^{-19}}

T = 7.83 X10⁻⁷ s

6 0
2 years ago
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