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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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If you throw a ball up with a velocity of 7 m/s, how long will it take for the ball to reach
AveGali [126]

Answer:

42secs

Explanation:

v=u-gt

0=7-10t

10t=7

t=7/10

t=7/10*60

t=42

7 0
2 years ago
Which statement does Einstein's theory promote about space and time?
Cloud [144]

Answer:

2nd statement would be the right answer

4 0
3 years ago
Read 2 more answers
Kinetic and potential; what type of energy is each of the points
miskamm [114]

Answer:

1 potential

2 kenitic

3 kenitic

4 potential

5 kenitic

6 potential

7 0
3 years ago
What type of compound forms Molecules?
guajiro [1.7K]

Answer:

Elements that are made from only one type of atom

Explanation:

7 0
3 years ago
REMARKS The speed found in part (a) is the same as if the woman fell vertically through a distance of 21.9 m. The result of part
sasho [114]

Answer:

Yes, if the system has friction, the final result is affected by the loss of energy.

Explanation:

The result that you are showing is the conservation of mechanical energy between two points in the upper one, the energy is only potential and the lower one is only kinetic.

In the case of some type of friction, the change in energy between the same points is equal to the work of the friction forces

    W_{fr} = ΔEm

    W_{fr} = Em_{f} -Em₀

As we can see now there is another quantity and for which the final energy is lower and therefore the final speed would be less than what you found in the case without friction.

    Em_{f} =W_{fr} + Em₀

 

Remember that the work of the rubbing force is negative, let's write the work of the rubbing force explicitly, to make it clearer

    ½ m v² = -fr d + mgh

    v = √(-fr d 2/m + 2 gh)

    v = √ (2gh - 2fr d/m)

Now it is clear that there is a decrease in the final body speed.

Consequently, if the system has friction, the final result is affected by the loss of energy.

5 0
3 years ago
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