Question

A block mass of 3 kg attached with a spring of spring constant 2000 N/m as shown in the Figure below


Part A: 10 points each (Questions 1-4)


 1. A block mass of 3 kg attached with a spring of spring constant 2000 N/m as shown in the Figure below. The amplitude or maximum displacement Xmax is 5m. 

Calculate

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a) Maximum Potential energy stored in the spring 

b) Maximum kinetic energy of the block 

c) the total energy-spring block system


 2. A small mass moves in simple harmonic motion according to the equation x = 2 Cos(45t), where "x" displacement from equilibrium point in meters and "t" is the time in seconds. 

Find the amplitude and frequency of oscillation by comparing with the general equation . x = A cos (w t).

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