- #1
Jeemeli
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Homework Statement
Two hockey pucks collide in a 90 degree angle and stick to each other. What's the speed of the hockey pucks after the collision and in what angle are the pucks moving in.
Homework Equations
m1=0.71kg
m2=0.52kg
v1=1.6m/s
v2=3.8m/s
The Attempt at a Solution
m1v1+m2v2=v(m1+m2)
=0.71kg*1.6m/s+0.52kg*3.8m/s=(0.71kg+0.52kg)*v
=v=(3.1kgm/s)/1.23kg=2.52m/s