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Conceptual Physics

 
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May30-10, 10:20 PM   #52
 

Conceptual Physics

yea the problem is looking for the height of the shelf/table
May30-10, 10:21 PM   #53
 
you again mixed the X and Y.

1.92m is where the ball will hit the ground from the shelf, horizontally.
May30-10, 10:22 PM   #54
 
ok so the variables i have are

Vo=8m/s
a=0
t=.24s
d=1.92m

a=9.81m/s/s
May30-10, 10:23 PM   #55
 
Gimme some minutes, I will draw something.
May30-10, 10:26 PM   #56
 
I wont be leaving anytime soon, so take all the time you need. lol thanks.
May30-10, 10:38 PM   #57
 
There.
Attached Thumbnails
physics.jpg  
May30-10, 10:39 PM   #58
 
See the big black line between X and Y ? That's on purpose. They are to be resolved SEPARATELY.
May30-10, 10:39 PM   #59
 
k, i ll try out the problem, give me a sec or 2
May30-10, 10:43 PM   #60
 
oops there's a error. it's "a = Vf X tē + Vo"

Sorry.

I was trying to make a good drawing lol
May30-10, 10:45 PM   #61
 
damn it misses a 0.5 too.
May30-10, 10:46 PM   #62
 
Anyway you have the formula. I drawed it very quickly
May30-10, 10:47 PM   #63
 
k so i did some computing and ended up with Vo=170.3125
May30-10, 10:48 PM   #64
 
and D= 41.15
May30-10, 10:52 PM   #65
 
I mixed up, it's my fault. I will correct my drawing gimme some minutes.
May30-10, 10:52 PM   #66
 
no worries.
May30-10, 11:07 PM   #67
 
ok, so I found Veloc of y =2.35m/s and Veloc of x =8m/s
May30-10, 11:10 PM   #68
 
I have 9.79m tall for the height
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