anonymous
  • anonymous
Could some please help me? I don't understand how to answer this worksheet.
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
ugh, i'm sorry! The file won't upload!
anonymous
  • anonymous
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anonymous
  • anonymous
I need to find momentum before, velocity after and momentum after.

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anonymous
  • anonymous
Granny whizzes around the rink and is suddenly confronted with a girl at rest directly in her path. Rathe than kocking her over, she picks her up and continues in motion without "braking" Data: Granny's mass: 50kg Granny's Vi: 3 m/s Girl's mass: 25 kg Girl's Vi: 0 m/s What is their momentum before and after?
UnkleRhaukus
  • UnkleRhaukus
Apply conservation of momentum Scenario 1 momentum before is mv = 50kgx3m/s +25kgx0m/s = 150kg.m/s -> momentum after is mv = 50kgx0m/s + 25kgxAm/s solving, A = (150kg.m/s) / (25kg) = 6 m/s
UnkleRhaukus
  • UnkleRhaukus
Granny's Vi, 2 or 3, i was looking at the picture
anonymous
  • anonymous
Oh, I'm sorry. I forgot to say that the mass of the ones in the picture are 200 kg.
anonymous
  • anonymous
It's different from Granny
UnkleRhaukus
  • UnkleRhaukus
well im glad nobody's granny weighs that much on ice skates also, why three sets of data?

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