The position (in mm relative to the equilibrium position) of a mass in a frictionless spring system as shown is described by the equation x(t) = 56 Cos (2Trt - TT/3). Calculate the initial time (in s) for the velocity of the mass to be zero.

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The position (in mm relative to the equilibrium position) of a
mass in a frictionless spring system as shown is described by
the equation x(t) = 56 Cos (2Trt - TT/3). Calculate the initial time
%3D
(in s) for the velocity of the mass to be zero.
Transcribed Image Text:The position (in mm relative to the equilibrium position) of a mass in a frictionless spring system as shown is described by the equation x(t) = 56 Cos (2Trt - TT/3). Calculate the initial time %3D (in s) for the velocity of the mass to be zero.
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