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physics

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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?
m/s2
(b) What is the acceleration of the sled?
m/s2

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

  • 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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