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50 Sample Mid 1 Soln pg 2

50 Sample Mid 1 Soln pg 2 - 3.A placekicker kicks a...

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Unformatted text preview: 3.A placekicker kicks a football from a point 30.0 m from the goal and the ball must clear the crossbar that is 3.00 m ,..._ high. The ball leaves the ground at a speed of 20.0 m/s at an angle of 53.0 degrees above the horizontal. Determine: a) By how much does the ball clear or Fall short of clearing the crossbar. b) The speed of the ball when it reaches the crossbar. c) When the ball reaches the crossbar is it still rising or is it falling and why. (30 pts) ’U—ox: 20.0-“LS (.05, 5.2.0“: [3,04%]5 “”03”: Roe-«ls 3.1., 53.0“ 2 Is.‘i’)m15 kg.) 34:}: X: 30.0w» {get Freda-t S 30.0w”. 35 V" “t 4:: __‘>_<__ 2 30-0“ -2.4fli'ls 0K {Uh} [149‘be .— ‘THU$ :3 :7: Wat” é3%13QS.Q7ml5JQ,%91§)- i Q,[email protected]¢fc,ggjz :2. (1.393 n CLE’JM scenes 3:) qgmgoozw Lb) Sfe'ebq 27" W UL: 'UOL:\2-0‘1~($ ,-—. lU .-. ”caflb‘e : lSFi'jml‘s— q_%0n!37_ .Qr‘f‘i'l—S 3* (8‘.VS—J~Ib ...
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