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A train was moving at 50m/s and slowed down to 20 m/s in 50 seconds, what was its acceleration?
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Ateam of astronauts is on a mission to land on and explore a large asteroid. in addition to collecting samples and performing experiments, one of their tasks is to demonstrate the concept of the escape speed by throwing rocks straight up at various initial speeds. with what minimum initial speed vesc will the rocks need to be thrown in order for them never to "fall" back to the asteroid? assume that the asteroid is approximately spherical, with an average density p 3.84 x108 g/m3 and volume v 2.17 x 1012 m3 recall that the universal gravitational constant is g 6.67 x 10-11 n m2/kg2
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What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration
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If element x has 99 protons how many electrons does it have
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Physics, 22.06.2019 22:30, aesthetickait
When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?
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A train was moving at 50m/s and slowed down to 20 m/s in 50 seconds, what was its acceleration?...
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