20191018_104558.jpg - owen work 2(A soccer playersfilter amocks the ball from the ground giving it an initial velocity of 18.0 m/s at an angle of 31.5

20191018_104558.jpg - owen work 2(A soccer playersfilter...

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Unformatted text preview: owen work 2: (A soccer playersfilter amocks the ball from the ground giving it an initial velocity of 18.0 m/s at an angle of 31.5. The top crossbar of the goal is 2:44 m above the ground. By how much does the ball go under or over the crossbar? for simplicity, don't resistance or the diameter of the ball. don't worry about air V= Is, omis + 2 9: 31.5 . horizontaly. dis. givens : ov. ?i im top of ?.4 4 mm x 2. 414 m 25. 5 m a to yo: B+ ( 18 8 sim 1 31 50 ) ( 15 83) # x;: 18 . 0 / sin (3 ). 5 4 2. ) = 15:3 617 4 ( a . 8) 1 61. 8 8 i 18 . 6 / 2 0 3 0 3 1. 5 ) ( 2 ;- 9.404 over +2 V = DX Vi cost 180m15 16 6 8 1.58/ 3 -Xi avg V avg t a avg VA-Vi x/= x,+vit+ at v,=vi+2a(x-x;) 9=9.80mls...
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