**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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- Fall '18
- Quiz