There is a compressed spring between two laboratory carts of masses m₁ = 115 g and m₂ = 272 g. Initially, the carts are held at rest on a horizontal track as shown in figure A. The carts are released, and the cart of mass m₁ has velocity V₁ = 1.9351 m/s in the positive x direction as in figure B. Assume rolling friction is negligible. 7₂ = ? B. (a) What is the net external force on the two-cart system? (Express your answer in vector form.) 7= N (b) Find the velocity of cart 2. (Express your answer in vector form.) v₂ = m/s

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