(Mission to Mars) Suppose you are an astronaut on the first manned mission to Ma
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Question
(Mission to Mars) Suppose you are an astronaut on the first manned mission to Mars. a) Look up the chemical composition of Mars's atmosphere, as well as the atmospheric pressure. (b) You take with you on the mission a baseball of mass 145 g and diameter 2.90 in. On a hot Martian summer day, when the ambient outdoor temperature on the surface of Mars is 70°F, you drop the baseball from rest from the top of a 20-m tall cliff. How long does it take the baseball to reach the ground? Note: Do not do any numerical integration for this problem.Explanation / Answer
Time taken by the baseball to reach the ground is
t = (2h/ g)^(1/2)
Here g is acceleration due to gravity on mars g = 3.8 m/s^2
t = ((2×20 m ) / 3.8 )^(1/2)
= 3.244 s
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