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    Question about the theory of relativity.

    Hello, I am fairly new to quantum physics and I recently became interested in Einstein and his accomplishments b/c I never knew why he was considered a genious and I was curious... So, I took a few minutes to try to understand the way the theory of relativity works, which by the way, I am...
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    Can someone explain this quantum physics concepts to me?

    I dont understand how matter can be transformed to light and light can be transformed into matter? Also, how exactly does this happen when something happens to one particle and something equivalent happens to another particle of the same type on the other end of the earth instantaneously...
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    Is 'The Secret Law of Attraction' considered quantum physics? Do you support it?

    I have seen the movie 'The Secret Law of Attraction'. It seems to remind my of quantum physics a bit. However, I read about the concept behind the creation of the movie and have come across a lot of controversy. Some people are saying the law of attraction usually does not take the function of...
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    Conceptual question about momentum, impulse, and average force.

    Homework Statement In a performance test two cars take the same time to accelerate from rest up to the same speed. Car A has a mass of 1400 kg, and car B has a a mass of 1900 kg. During the rest, which car: a)Has the greatest change in momentum? b)Experiences the greatest impulse? c)Is...
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    What is the tension in the rope?

    Can someone help me understand tension? Can someone please help me understand how to find tension? PHYSICS? I am trying to prepare for a upcoming test and I am having trouble understanding how to find tension. I have copied a problem from my sample test and provided the answer as well. Can...
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    Help with finding Tension

    Homework Statement A 0.22-kg ball on a stick is whirled on a vertical circle at a constant speed. When the ball is at the three o'clock position, the stick's tension is 19 N. Homework Equations mass m = 0.22 kg tension in 3'o clock position T = 19 N tension in 12 'o clock position T...
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