anonymous
  • anonymous
A 400 g soccer ball lying on ground is kicked and flies off at 25 m/s. If the duration of the impact was 0.010 s, what was the average force on the ball?
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
average force = Change in momentum / time of impact
anonymous
  • anonymous
average force= 25 / 0.010 is this correct?
aaronq
  • aaronq
you're missing the mass in the equation, momentum=mass*velocity

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anonymous
  • anonymous
average force = (25)(400) / 0.010 = 1000000
anonymous
  • anonymous
is it correct?
anonymous
  • anonymous
think properly danielle.. that is still not right.. what did you miss? (check units)
anonymous
  • anonymous
do i need to convert 400 g to kg?
anonymous
  • anonymous
That is S.I units right?
anonymous
  • anonymous
yes.
anonymous
  • anonymous
so then you have to :)!
anonymous
  • anonymous
ok. thanks!
anonymous
  • anonymous
no problem :)

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