40 kg girl skates at 3.5 m/s on ice toward her 65 kg friend who is standing still, with open arms. As they collide and hold each other, what is the speed of the couple?
40 kg girl skates at 3.5 m/s on ice toward her 65 kg friend who is standing still, with open arms. As they collide and hold each other, what is the speed of the couple?
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter6: Momentum And Collisions
Section: Chapter Questions
Problem 3P: A pitcher claims he can throw a 0.145-kg baseball with as much momentum as a 3.00-kg bullet moving...
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A 40 kg girl skates at 3.5 m/s on ice toward her 65 kg friend who is standing still, with open arms. As they collide and hold each other, what is the speed of the couple?
Expert Solution
Step 1
As per the given data,
Mass of the girl (m2)=40 kg ;
Initial speed of girl (u1)=3.5 m/s ;
Mass of her friend (m2) = 65 kg ;
Initial speed of her friend (u2)=0 rest)(
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