a 0.500-kg mass is attached to a spring with a spring constant of 8.00-n/m. the object undergoes simple harmonic motion with an amplitude of 10.0-cm. (a) what is the maximum value of its speed and acceleration? (b) what is the speed and acceleration of the mass when it is 6.00-cm from the equilibrium position? (c) what time interval is required for the mass to move from x



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