an electice band is hung on a hook and a mass is hung on the lower end of the ba

Question

an electice band is hung on a hook and a mass is hung on the lower end of the band. When the mass is pulled downward and then released, it vibrates vertically. The equation of motion is s= 2cost+3sint, t > or equal 0, where s is measured in cm and t in seconds. (take the positive direction to be downward) a. find the velocity and acceleration at time t b. graph the velocity and acceleration functions c. when does the mass pass through the equilibrium positionfor the first time? d. how far from its equilibrium position does the masstravel? e. when is the speed the greatest? I did parts a and b !! please do c,d, and e

Explanation / Answer

a) v = -2sinnt + 3cost
a = -2cost -3sint
c) when tant = -2/3
e) when tant = -2/3

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