Formula_Exam1_v1

Formula_Exam1_v1 - Physics 2001 Formula Sheet 2,...

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Unformatted text preview: Physics 2001 Formula Sheet 2, G = 6.67 x 10 ­11 m3/(kg•s2) Constants: g = 9.8 m/s −b ± b 2 − 4 ac Quadratic Formula: 0 = at 2 + bt + c t= 2a 2 2 2 Law of Cosines: C = A + B − 2 AB cosθ ˆ ˆ Vector Components: A = Ax x + Ay y Ax = A cosθ € € Ay = A sin θ € A = A + A 2 x 2 y € € € θ = tan −1 ( Ay / Ax ) (up to ± 180o) € Δr Δv , aave = Average Velocity & Acceleration: v ave = Δt Δt € Kinematic Equations in x direction and y direction: € 12 v +v 2 2 x = ax t + v ox t + x o v ave = x ox v x = v ox + 2 ax ( x − x o ) v x = ax t + v ox 2 2 € v y + v oy 12 2 2 y = ay t + v oy t + y o v y = ay t + v oy v y = v oy + 2 ay ( y − y o ) v ave = 2 2 Free Fall Equations: above y ­axis equations with ay = −g € € € Projectile Motion: kinematic equations with ax = 0, ay = − g € € € Newton’s Second Law: ∑ F = ma € f k = µk Fn (kinetic) Friction Forces: f s ≤ µsFn (static) € Gm1m2 GM FG = Gravity: g = 2 W = mg € 2 r R € € (θ relative to positive x ­axis) € € € € ...
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This note was uploaded on 03/17/2011 for the course PHYSICS 2001 taught by Professor Young during the Spring '08 term at LSU.

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