What effect does horizontal velocity have on time of flight for a particle undergoing projectile motion over level ground with no drag? Explain.
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a) What effect does horizontal velocity have on time of flight for a particle undergoing projectile motion over level ground with no drag? Explain.
b) Two cars that are otherwise identical except that one has twice the mass of the other drive side by side and begin to brake at the same instant. Both cars come to rest having stopped with the friction force alone. Which car requires a greater distance to stop? Explain.
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