Question

A baseball is projected horizontally with an initial speed of 8.37 m/s from a height of 1.64 m. What is the speed of the baseball when it hits the ground? (Neglect air friction.) (in m/s)

          A baseball is projected horizontally with an initial speed of 8.37 m/s from a height of 1.64 m. What is the speed of the baseball when it hits the ground? (Neglect air friction.)
(in m/s)
        

Added by Francisca S.

University Physics with Modern Physics
University Physics with Modern Physics
Hugh D. Young 14th Edition
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A baseball is projected horizontally with an initial speed of 8.37 m/s from a height of 1.64 m. What is the speed of the baseball when it hits the ground? (Neglect air friction.) (in m/s)
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Transcript

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00:01 Suppose we have a ball projected horizontally at a speed of 25 .9 meters per second, and it's thrown from a height of 2 .01 meters, and we want to know how far is it going to travel.
00:14 So the distance x is just going to be the horizontal component of the velocity times the time it's in the air, because there's no acceleration in the x direction, and the time it's in the air can be found from the square root of 2h over g...
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