Question: You have a light spring which obeys Hooke's law. This spring stretches 3.10 cm vertically when a 3.00 kg object is suspended from it.

You have a light spring which obeys Hooke's law. This spring stretches 3.10 cm vertically when a 3.00 kg object is suspended from it. Determine the following. (a) the force constant of the spring (in N/m) N/m (b) the distance (in cm) the spring stretches if you replace the 3.00 kg object with a 1.50 kg object cm (c) the amount of work (in J) an external agent must do to stretch the spring 6.90 cm from its unstretched position J

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