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galina1969 [7]
2 years ago
10

Because energy is conserved, the “lost” energy has actually been changed into other forms. Looking at the two sleds, what effect

did some of this energy cause?
Physics
1 answer:
Shkiper50 [21]2 years ago
3 0

Answer:

The answer is the kinetic energy of sled B after it crash is 6439j.

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Three point charges, two positive and one negative, each having a magnitude of 20 C are placed at the vertices of an equilateral
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The resultant force on the positive charge  is mathematically given as

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Question Parameters:

Three-point charges, two positive and one negative, each having a magnitude of 20

Generally, the -ve charge   is mathematically given as

Q+=\sqrt{x^2+x^2+2x.xcos120}\\\\Q+=\sqrt{2x^2+2x*(1/2)}

Q+=X

Therefore

x=\frac{Kq1q2}{r2}\\\\x=\frac{9*10^9*20*10^{-6}*20*10^{-6}}{(30*10^-2)^2}

X=40N

For more information on Force

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2 years ago
I NEED HELP ASAP
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I think it’s gonna be b.
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