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Compute each part of given question:
Question: A car is driving at a constant speed of 50km/hr. Another car starts from the same position after 20 seconds. The two cars meet after 5km from the original position. Represent this problem graphically, position versus time.
Question I: How long does the second car have to drive to reach the first car?
Question II: What is the velocity of the second car?
Please use as much detail as possible in answer!!!
A 1.0-C charge is 15 m from a second charge, and the force between them is 1.0 N. What is the magnitude of the second charge
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The Yerkes telescope in southern Wisconsin is the largest refracting telescope in the world. Its objective lens is 40 inches (slightly over a meter) in diameter. What are the focal lengths of the two lenses
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Determine what fraction of a sample of carbon-14 is left after 21487.5 yr. (The half-life of carbon-12 is 5730 yr.)
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