ch08-p095 - 95(a The initial kinetic energy is K i =(1.5...

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95. (a) The initial kinetic energy is 2 (1.5 kg)(20 m/s) / 2 300 J. i K == (b) At the point of maximum height, the vertical component of velocity vanishes but the horizontal component remains what it was when it was “shot” (if we neglect air friction).
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