A 300 g block attached to a horizontal spring oscillates with a period of 1.74 s....

 

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A 300 g block attached to a horizontal spring oscillates with a period of 1.74 s. At t = 0, the block is at x = -3.50 cm and is moving towards the equilibrium position with a speed 34.3 cm/s. [Answer in 3 significant figures] a) [9 pts] What is the spring constant of the spring? b) [10 pts] What are the velocities of the block at equilibrium position? c) [16 pts] Let x(t) = A cos(wt + 0) be the expression describing the motion of the block. What is the initial phase constant value in radian? A 300 g block attached to a horizontal spring oscillates with a period of 1.74 s. At t = 0, the block is at x = -3.50 cm and is moving towards the equilibrium position with a speed 34.3 cm/s. [Answer in 3 significant figures] a) [9 pts] What is the spring constant of the spring? b) [10 pts] What are the velocities of the block at equilibrium position? c) [16 pts] Let x(t) = A cos(wt + 0) be the expression describing the motion of the block. What is the initial phase constant value in radian?