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Forums
Physics
Classical Physics
Mechanics
Questions about uniformly accelerated motion under gravity
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[QUOTE="robphy, post: 5476845, member: 9587"] When an object is in freefall, gravity (near the Earth surface) is continually decreasing the vertical component of the velocity vector at the rate of "9.8 m/s per second" (the freefall acceleration). When the object's vertical component of velocity changes from positive to negative (passing through zero), its vertical motion turns around. Throughout this motion, the horizontal component of velocity is unchanged--- that is to say, the horizontal motion is uniform. (The vertical motion [ie. vertical component of velocity] is not uniform... but its "change with time" is uniform ["the vertical component of acceleration is constant"].) [/QUOTE]
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Forums
Physics
Classical Physics
Mechanics
Questions about uniformly accelerated motion under gravity
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