Physics · Classical Mechanics
Two masses, M1 and M2, are connected through a massless spring of spring constant k. The mass M1 is at rest against a rigid wall. Both M1 and M2 are on a frictionless horizontal surface. The mass M2 is pushed towards M1 by a distance x from its equilibrium position and then released. After M1 leaves the wall, the speed of the center of mass of the composite system is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1√(kM2) x
- 2√(kM1 + M2) x
- 3√(kM2)M1 + M2 x✓
- 4√(kM1)M1 + M2 x
Correct answer
√(kM2)M1 + M2 x
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