physics

The acceleration due to gravity on planet X is
one fifth that on the surface of the earth.
If it takes 3.5 s for an object to fall a certain
distance from rest on earth, how long would
it take to fall the same distance on planet X?
Answer in units of s.

asked by Anonymous
  1. The time to fall a given distance is inversely proportional to the square root of g. That time is 2.24 times longer if the time is 5 times less.

    What is 2.24 x 3.5 s ?

    posted by drwls

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