Physics 101- Introduction to Mechanics
|April 10- 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/s2,
and the final momentum is the sum of the truck's (45,000 kg m/s2)
and the car's (15,000 kgm/s2).
Or, a car colliding with a stationary truck.
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