anonymous
  • anonymous
if a ball is tossed from ground level upward at a speed of 44 m/s how long will it take to reach its maximum height
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
H=V^2/(2*g)=44^2/(2*10)= 96.8 Not considering the air friction
anonymous
  • anonymous
@ellina so 96 seconds?
anonymous
  • anonymous
t=v/g=44/10=4.4s in 4.4 seconds

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anonymous
  • anonymous
@ellina what is that first equation for? sorry im confused
anonymous
  • anonymous
nevermind
anonymous
  • anonymous
@ellina where did you get 96.8 then 4.4 seconds
anonymous
  • anonymous
you are asking the max height 96.8 meter is the height
anonymous
  • anonymous
and it takes only 4.4 second to get that height
anonymous
  • anonymous
OK , I didn't read the problems seriously,sorry
anonymous
  • anonymous
@ellina the other part is .. how long will it take to return to ground level (the time for entire trip)
anonymous
  • anonymous
then ,you will use the max height to caculate the rest time t=sqrt{2 times H div g}=sqrt{2times96.8div10}

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