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A 38 kg girl and an 8.4 kg sled are on the frictionless ice of a frozen lake, 16 m apart bu connected by a rope of negligible mass. The girl exerts a horozontal 4.7 force on the rope.
(a) What is the acceleration of the girl?
(b) What is the acceleration of the sled?

(c) How far from the girl's initial position do they meet?

  • physics -

    for the first two, F=ma will give the results.

    for c), the cg of the system remains unchanged, so the initial cg is where they meet.

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