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At a time when mining asteroids has become feasible, astronauts have connected a line between their 3740-kg space tug and a 6500-kg asteroid. They pull on the asteroid with a force of 470 N. Initially the tug and the asteroid are at rest, 480 m apart. How much time does it take for the ship and the asteroid to meet?

  • physics -

    each are being pulled by a force of 470N.

    the acceleraration of each is 470/masseach

    so relative acceleration is the sum..

    arelative=470/3740+470/6500

    add those.

    d=1/2 a t^2 where d is 480m, and a is relative acceleration.

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