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Ok.....they give you an initial velocity that a cannon ball is fired out of a cannon from and they give you a height for a cliff. They make you solve for time, horizontal distance, and final resultant velocity. They then ask, which of the following will be UNAFFECTED by a decrease in initial velocity.

Atime
Bhorizontal distance
Cfinal resultant velocity


I wasn't sure. I thought it was B, my friend said it's A and then I changed my mind but I'm still not completely sure...some people also said it's C, but for some reason I don't think it's C....any thoughts?

2006-10-11 09:17:31 · 8 answers · asked by Anonymous in Science & Mathematics Physics

8 answers

B. Horizontal distance because the height of the cliff is the horizontal distance...that will not change no matter what else changes unless you move the cannon!

2006-10-11 09:26:56 · answer #1 · answered by Yerfdog 2 · 0 1

Did you leave out some info? Like an angle? Where is the cliff? Do you have to shoot the ball from the valley floor to the top of the cliff or vice versa?

I feel like I'm blind and trying to understand an elephant by feeling it. But "final resultant velocity", wouldn't that be zero no matter what?

2006-10-11 16:44:41 · answer #2 · answered by sojsail 7 · 0 0

I'm guessing time is unaffected, A.

Unless the cannon ball is travelling through a wormhole.

Then it would be D, none of the above

2006-10-11 16:23:57 · answer #3 · answered by wrpstar 2 · 0 0

i think is is C because if the intial velocity is less then it will spend less time in the air and is horizonal distance also be less. Only its initial velocity is unaffected.

2006-10-11 16:25:17 · answer #4 · answered by      7 · 0 0

a

2006-10-11 16:28:11 · answer #5 · answered by vick 2 · 0 0

I say A and B

2006-10-11 16:23:17 · answer #6 · answered by rwbblb46 4 · 0 0

Wow you almost had me thinking there. Pass. lol ;-)

2006-10-11 16:42:58 · answer #7 · answered by Butterscotch 7 · 0 0

B

2006-10-11 16:24:49 · answer #8 · answered by caseybea. 2 · 0 0

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