Physics 101 Introduction to Mechanics 

April 10 Conservation of Momentum  



Conservation
of "Momentum"
All three ideas are equivalent
Let's look at a couple systems: Consider two astronauts in space.
Here's the "answer".
Consider a truck ccolliding with a stationary car. The initial momentum is 60,000 kg m/s^{2},
and the final momentum is the sum of the truck's (45,000 kg m/s^{2})
and the car's (15,000 kgm/s^{2}).
Or, a car colliding with a stationary truck.


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