Block 1 of mass mi = 0.5 kg slides on frictionless surface with velocity v₁ = 7 m/s and hits block 2 of mass m2 8 kg. Block 1 bounces back with velocity vf = 3 m/s. Block 2 is fixed to a spring and begins at equilibrium. The spring has spring constant k 20 N/m. If the collision occurs instantaneously, how far does block 2 move from its initial position? = m1 1 - m1 1 m2 2 lo m2 H 2 1₁

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