De broglie wavelength of the nolan ryan fastball
Find out the de Broglie wavelength of the Nolan Ryan fastball moving at 100 mph. The mass of a baseball is around 145 grams.
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The spacecraft is moving past Earth having a velocity of 0.7c. It launches a rocket which moves in the similar direction as the spacecraft at a speed of 0.8c. Determine the speed of the rocket relative to Earth?
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14 hours later the diesel train left traveling at 45km/h in the effort to catch up to cattle train. After traveling 4 hours diesel train finally caught up. Find cattle train's average speed?
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