Posted by **sara** on Thursday, July 5, 2012 at 10:52pm.

The acceleration of gravity on the surface of Venus is 8.9 m/s2. Would a ball thrown upward on Venus return to the ground sooner or later than a ball thrown upward with the same speed on the earth?

- physical science -
**Elena**, Friday, July 6, 2012 at 4:50pm
Time of the flight to the top point where v=0 is

v = vₒ - gt => 0= vₒ - gt,

t=vₒ/g,

The large “g” the smaller “t”.

Since the time upward = time downwards,

the time of the flight at the Earth is smaller than the time at the Venus.

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