What is the total mechanical energy of motion

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Q. Suppose that after a centrifuge in a medical laboratory is turned off, it continues to rotate with a constant angular deceleration for 10.40 s before coming to rest. How numerous revolutions did the centrifuge complete after being turned off?

Q. A 5.2kg block hangs from a spring with spring constant 2100 N/m. The block is pulled down 5.3cm from the equilibrium position and given an initial velocity of 1.60m/s back toward equilibrium. What is the frequency? What is the amplitude? What is the total mechanical energy of motion?

Reference no: EM1384739

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