A person on earth notices a rocket approaching from the
A person on earth notices a rocket approaching from the right at a speed of 0.71 c and another rocket approaching from the left at 0.67 c. What is the relative speed among the two rockets, as gauged by a passenger on one of them?
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assume that an ion source in a mass spectrometer produces doubly ionized gold ions au2 each by a mass of 327 x 10-25 kg
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a spark can jump among two no touching conductors if the potential difference among them is sufficiently large a
a person on earth notices a rocket approaching from the right at a speed of 071 c and another rocket approaching from
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many cultures around the world still use a simple weapon called a blowgun a tube by a dart that fits tightly inside a
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