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Would a ball thrown vertically upward on Venus return to the ground sooner or later to a ball thrown with the same velocity on earth and why?
Wiki User
∙ 12y ago
When we work this kind of problem, we always ignore air resistance, mainly because
it's complicated, we're not exactly sure how to handle it, and if we included it, then
the complete answer would surely confuse everybody.
Ignoring air resistance, and considering gravity only, the ball tossed straight up
would have quite a bit more hang-time on Venus than on Earth, i.e. it would stay
up longer and hit the ground later. The reason is that the acceleration of gravity on
the surface of Venus is 9.7% less than it is on Earth, so the ball would slow down
less drastically on the way up, reach a higher peak, and accelerate less vigorously
on the way down.
Now, a word about why we were so desperate to ignore air resistance: The
atmospheric pressure on the surface of Venus is 93 times the atmospheric
pressure on the surface of the Earth, and the temperature there is over 850° F.
If we're not exactly sure how to account for the effects of air resistance on Earth,
we definitely don't know what allowances to make for air on Venus.
Wiki User
∙ 12y ago
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