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A Gotye Soi x V M Mail New M x Boy & Bear x S ANGEL Learni x Interactive Ca x V S Mail Inbox Cx LON-CAPA CC x D about blank x ON-CAPA Er x LON-CAPAN x LON-CAPA Cox R Arccos(x) calc x 3962f 7698 48bo 2823180S Q https: c/48/5a5923219f8c7041e 4e8c77089729208187a04 4324322 de756c075d5a4245a591d8 9f3e94189ed15f5c7b729e 14.dfdee72676ef3c6 Messages Course Help Log Joseph Raymond Zajac v Stud section: 730 PHY 233B Fall 2014 Main Menu Contents Grades Timer Notes Evaluate back Print L Course Contents HW 10 (11 20 Th 59 PM Energy, speed and acceleration of an oscillating mass A mass-Sprina system oscillates with an amplitude of 4.60 cm. If the spring constant is 223 N/m and the mass is 576 g, determine the mechanical energy of the system 1.14 J Submit Answer Incorrect. Tries 2/12 Previous Tries Determine the maximum speed of the object. Submit Answer Tries 0/12 ine the maximum acceleration. Submit Answer Tries 0/12 Send Feedback Post Discussion 7:51 PM 11/19/2014.

Explanation / Answer

here w = sqrt(k/m) = sqrt(223/0.576) = 19.67

A) E = 0.5*m*w^2*A^2 = 0.5*0.576*19.67^2*0.046^2 = 0.235 J..

B) Vmax = A*w = 0.046*19.67 = 0.90482 m/sec..

C) amax = A*w^2 = 0.046*19.67^2 = 17.79 m/s^2

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