anonymous
  • anonymous
Julie kicks a moose skin ball off the ground and into the air with an initial velocity of 25 feet per second. Assume the starting height of the ball is 0 feet. Approximately, how long does it take until the moose skin ball hits the ground again? 0.6 sec 0.8 sec 1.6 secs 2.8 secs please help...
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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cwrw238
  • cwrw238
use the equations of motion with constant accleeration
cwrw238
  • cwrw238
s = ut + 0.5gt^2
anonymous
  • anonymous
what are the equations if you dont mind:)

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More answers

cwrw238
  • cwrw238
s = displacement = 0 g = -32 ft/s62 and u = 25 ft/s
cwrw238
  • cwrw238
0 = 25t - 16t^2 solve for t
anonymous
  • anonymous
cwrw238 you are so wrong that newton cam back to life and died again
anonymous
  • anonymous
@cwrw238
anonymous
  • anonymous
so what would the answer be
anonymous
  • anonymous
Michelle i would like to help you but i think that the data is incomplete...
anonymous
  • anonymous
but that is how the question is written out what am suppose to do? i could go back and reread the lesson
anonymous
  • anonymous
yes you should you dont even know what equations of motion are
anonymous
  • anonymous
you see this is my third time taking this class and i really don't want to fail again.
anonymous
  • anonymous
http://library.thinkquest.org/28388/Mechanics/Motions/Equation.htm
anonymous
  • anonymous
Ahaha michelle take it easy!
anonymous
  • anonymous
i think I will, look over the lesson again,but what do you guys think would be the best way to approach it.
anonymous
  • anonymous
with love
anonymous
  • anonymous
:)
anonymous
  • anonymous
The problem that i am having is the fact that they didnt mention at which point in height the balls stops and starts falling back
anonymous
  • anonymous
yeah, i guess, i could always email my teacher about it because there are alway's glitches like that happening in the tests.
jim_thompson5910
  • jim_thompson5910
cwrw238 already said it solve 0 = 25t - 16t^2 for t to get your answer (it will be the root that is not 0)
anonymous
  • anonymous
um ok, i will go back and do it that way.
anonymous
  • anonymous
thanks for the advice everyone, you all have been great so you have a nice day
anonymous
  • anonymous
YOU HAVE TO USE SEQENCES EVERTHING ELSE IS WRONG!!!!!!!!!!!!!!
anonymous
  • anonymous
Good luck!
cwrw238
  • cwrw238
16t^2 - 25 = 0 t(16t - 25) = 0 16t = 25 f = 25/16 = 1.6

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