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Unformatted text preview: 6 A mass m oscillates at the end of a spring (constant k) It moves between x=.1 m to x=.5 m. The block is at x=0.3 m at t=0 s, moves out to x=0.5 m and returns to x=0.3 m at t=2 s. Write the motion in the form x(t)=x0+Acos( ω t+φ), and find numerical values for x0, A, ω , and φ If time: Write the motion in the form x(t)=x’0+A’sin( ω’ t+φ’), and find numerical values for x’0, A’, ω’ , and φ’ 7 k 2k m Neglecting all damping, and considering just 1D motion, what is the angular frequency at which this mass will oscillate? (The mass is at the equilibrium position for both springs at the point shown) A) Sqrt[k/m] B) Sqrt[1.5 k/m] C) Sqrt[3k/m] D) Sqrt[5k/m] E) Something else! 8 Oscillators have xi(t)=Aicos( ωi tδi) (for i=1, 2) Which parameters are different ? Assuming both δ’s are positive, and close to each other, which is larger, δ1 or δ2? A) δ1 or B) δ2...
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 Spring '11
 STEVEPOLLOCK
 Simple Harmonic Motion

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