Could some please help me? I don't understand how to answer this worksheet.
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ugh, i'm sorry! The file won't upload!
I need to find momentum before, velocity after and momentum after.
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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"
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?
Apply conservation of momentum
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
Granny's Vi, 2 or 3, i was looking at the picture
Oh, I'm sorry. I forgot to say that the mass of the ones in the picture are 200 kg.
It's different from Granny
well im glad nobody's granny weighs that much on ice skates
also, why three sets of data?