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An object with mass 0.150 kg is acted on by an elastic restoring force with force...

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Physics

An object with mass 0.150 kg is acted on by an elastic restoringforce with force constant 11.0 N/m . The object is set intooscillation with an initial potential energy of 0.130 J and aninitial kinetic energy of 5.10×10−2 J .

1. What is the amplitude of oscillation?

2. What is the potential energy when the displacement isone-half the amplitude?

3. At what displacement are the kinetic and potential energiesequal?

4. What is the value of the phase angle Ï• if theinitial velocity is positive and the initial displacement isnegative?

Answer & Explanation Solved by verified expert
4.4 Ratings (710 Votes)
The amplitude is A max velocityangular velocity So first we find max velocity Velocity is max when kinetic energy is max Total max kinetic energy is 013 00510 0181 j So put it in kinetic energy equation and find v Kinetic energy12 x m x v2 0181 05x 0150 x v2 V 1553 ms Now lets find angular velocity w w    See Answer
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