Two carts of equal mass m=0.253 kg are placed on a frictionless track that has a

Question

Two carts of equal mass m=0.253 kg are placed on a frictionless track that has a light spring (spring constant k=54.7 N/m) attached to one end of it, as in the figure. The cart on the left is given an initial velocity of v0=3.61 m/s to the right, and the cart on the right is initially at rest. The collision causes the left hand cart to slow down to 0.5 m/s.

Two carts of equal mass m=0.253 kg are placed on a frictionless track that has a light spring (spring constant k=54.7 N/m) attached to one end of it, as in the figure. The cart on the left is given an initial velocity of v0=3.61 m/s to the right, and the cart on the right is initially at rest. The collision causes the left hand cart to slow down to 0.5 m/s. Q. What fraction of the initial energy was lost due to the collision? Give your answer as a percentage.

Explanation / Answer

energy lost is m(3.612-0.52)/2

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