How much has the cable stretched
A tow truck is pulling a car out of a ditch by means of a steel cable (Y = 2.0 x 1011 N/m2) that is 8.87 m long and has a radius of 0.462 cm. When the car just begins to move, the tension in the cable is 886 N. How much has the cable stretched?
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(a) What is the spring constant of the spring? (b) Find the angular frequency of the block's vibrations.
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