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An object with mass 0.190 kg is acted on by an elastic restoring force with force...

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Physics

An object with mass 0.190 kg is acted on by an elastic restoringforce with force constant 10.3 N/m. The object is set intooscillation with an initial potential energy of 0.150 J and aninitial kinetic energy of 6.90×10−2 J.

A) What is the amplitude of oscillation?

Express your answer with the appropriate units.

A=

B) What is the potential energy when the displacement isone-half the amplitude?

Express your answer with the appropriate units.

U=

C) At what displacement are the kinetic and potential energiesequal?

Express your answer with the appropriate units.

x=

D) What is the value of the phase angle Ï• if the initialvelocity is positive and the initial displacement is negative?

Express your answer in radians.

phi =

Answer & Explanation Solved by verified expert
4.5 Ratings (726 Votes)
HiHope you are doing wellPART AGiven thatInitial kinetic energy Initial potential energy Therefore Total energy Force constant From Law of conservation of energy we    See Answer
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