2 years ago

Which scientist was involved in the War of Currents? Help

Physics

1 answer:

Nataliya [291]2 years ago

6 0

Explanation:

thomas edison and Nikola tesla were involved in the war of currents

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The ball has 7.35 joules of potential energy at position B. At position A, all of the energy changes to kinetic energy. The velo

Lina20 [59]

I assume that the ball is stationary (v=0) at point B, so its total energy is just potential energy, and it is equal to 7.35 J.
At point A, all this energy has converted into kinetic energy, which is:
$K= \frac{1}{2}mv^2$
And since K=7.35 J, we can find the velocity, v:
$v= \sqrt{ \frac{2K}{m} }= \sqrt{ \frac{2 \cdot 7.35 J}{1.5 kg} }=3.1 m/s$

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2 years ago

What is the momentum of an object with 5.22 kg and 1.7 m/s

BlackZzzverrR [31]

Answer:

8.874

Explanation:

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3 years ago

In a motor, the combined effect of electric currents and magnetic forces turn electrical energy into which of the following?

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