An object of mass m1 5 9.00 kg is in equilibrium when
Chapter 15, Problem 85(choose chapter or problem)
An object of mass m1 5 9.00 kg is in equilibrium when connected to a light spring of constant k 5 100 N/m that is fastened to a wall as shown in Figure P15.85a. A second object, m2 5 7.00 kg, is slowly pushed up against m1, compressing the spring by the amount A 5 0.200 m (see Fig. P15.85b). The system is then released, and both objects start moving to the right on the frictionless surface. (a) When m1 reaches the equilibrium point, m2 loses contact with m1 (see Fig. P15.85c) and moves to the right with speed v. Determine the value of v. (b) How far apart are the objects when the spring is fully stretched for the first time (the distance D in Fig. P15.85d)?
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