VA 3.4 C Secure /www.webassign t/web/Student/Assignment-Respo /submit dep 529517
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VA 3.4 C Secure /www.webassign t/web/Student/Assignment-Respo /submit dep 529517 Apps UNF myWings O Canvas RWebAssign LOG IN oneDrive f Facebook M Gmail Y Yshoo mail sccu a Your Textbook Rental oliverQueen cotton Ch k The Balance on (a) Find h (3). (b) Find s (8). Need Help? Read t Talk to a Tutor 20. -2 points LarCalcET6 3.4.166 My Notes Ask Your Teacher The displacement from equilibrium of an object in harmonic motion on the end of a spring is given below, where y is measured in feet and t is the time in seconds. Determine the position y(t) and velocity v (t) of the object when t R/2. cos(3) (n/2) ft/sec Need Help? Read It Talk to a Tutor 21. 1/1 points I Previous Answers L 3.4.183 arCalcET6 My Notes Ask Your Teacher Let u be a differentiable function of X following res In exercise 123 S prov 5.50 PM Ask me anything 2/12/2017 R2Explanation / Answer
y(t)=(1/2)cos 3t - (1/6)sin 3t
y(pi/2)=(1/2)cos(3pi/2)-(1/6)sin(3pi/2)=0-(-1/6)=1/6
v(t)=dy(t)/dt=-(3/2)(sin 3t)-(3/6)cos(3t)
v(pi/2)= (3/2)(sin3pi/2)-(3/6)(cos3pi/2)= 1.5ft/sec
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