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Physics, 21.06.2019 23:00
For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.
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Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?
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Physics, 22.06.2019 23:00
Hunter’s velocity was 4.5 m/s. at the end of his race, his velocity was the same. which best describes his movement? his movement stopped. his acceleration is zero. his time was constant. his acceleration was positive.
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Acar slows down from 30 m/s to rest in a distance of 85 m. what was its acceleration?...
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