wwww m - X2 F m m Figure 9.22 (Example 9.14) (a) Two blocks of equal mass are connected by a spring. (b) The left block is pushed with a constant force of magnitude Fand moves a distance x, during some time inter- val. During this same time interval, the right block moves through a distance x2.
As shown in 9.22a, two blocks are at rest on a frictionless, level table. Both blocks have the same mass m, and they are connected by a spring of negligible mass. The separation distance of the blocks when the spring is relaxed is L. During a time interval Δt, a constant force of magnitude F is applied horizontally to the left block, moving it through a distance x1 as shown in 9.22b. During this time interval, the right block moves through a distance x2. At the end of this time interval, the force F is removed. (A) Find the resulting speed ν→CM of the center of mass of the system. (B) Find the total energy of the system associated with vibration relative to its center of mass after the force F is removed.
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