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# UCLA - PHY 1 - Physics 1A Week 7 Notes - Class Notes

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UCLA - PHY 1 - Physics 1A Week 7 Notes - Class Notes

##### Description: Since we didn't really have lecture notes this week as we mostly focused on practice problems, this week's notes will include the equations to use to solve most of the practice problems.
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● Equations  r osθ W AB · B A F | | r | | B − r A | c   dcosθ · F   − g(y ) m B − y A   k(x ) = 2 1 2 B − x 2 A   E mv = 2 1 2 = p 2 2m   W net K B − K A   P ower avg = ΔT ΔW   P E E E Δ AB P B − P A W AB   E E E E K i P i K f − P f   U g(y ) Δ grav W gravAB m B − y A    (y) gy U m   k(x ) Δ W AB = 2 1 2 B − x 2 A    (x) kx U = 2 1 2   r W closed path     E cons · = 0     = dt dx = m 2(EP E)   ○   J (t)dt F   (tdt Δt Δv p = t f t i F F average m = Δ   F ave = Δt Δp   (m v ) − (m v ) d dt 1 1 = d dt 2 2   F ext = ∑ N j=1 dt dp j   a a cm = 1 M N j=1 m j j   v = 1 M N j=1 m j j   r r cm = 1 M N j=1 m j j   ○ Position of center of mass of continuous object:   dm r cm = 1 M     r

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• Notes, Study Guides, Flashcards + More!
Join more than 18,000+ college students at University of California - Los Angeles who use StudySoup to get ahead
##### Description: Since we didn't really have lecture notes this week as we mostly focused on practice problems, this week's notes will include the equations to use to solve most of the practice problems.
1 Pages 32 Views 25 Unlocks
• Notes, Study Guides, Flashcards + More!
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