CONSERVATION OF MOMENTUM. Law of Conservation of Momentum. Recall Newton’s 3 rd Law: Every Action has an equal and opposite Reaction: F A = -F B The duration of the collision is the same for both objects: F A ∆t = -F B ∆t
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CONSERVATION OF MOMENTUM
Every Action has an equal and opposite Reaction: FA = -FB
FA∆t = -FB ∆t
mAvA2 –mAvA1 = -(m BvB2-mBvB1)
mAvA1 + mBvB1 = m AvA2 + mBvB2
IN OTHER WORDS:
1. Go through the model problem p313.
2. Complete #25 and 26 p 315.
3. Complete the practice problems worksheet.