Hang time. On Earth, an object travels 4.905 m after 1 sec of free fall. Thus, by symmetry, an athlete would require 1 sec to jump 4.905 m high, and another second to come back down. Is it possible for a person to stay in the air (have a “hang time” of) 2 sec? can a person have a hang time of 1.5 sec ? 1 sec ? What do you think is the longest possible hang time achievable by humans jumping from level ground?
Hang time. On Earth, an object travels 4.905 m after 1 sec of free fall. Thus, by symmetry, an athlete would require 1 sec to jump 4.905 m high, and another second to come back down. Is it possible for a person to stay in the air (have a “hang time” of) 2 sec? can a person have a hang time of 1.5 sec ? 1 sec ? What do you think is the longest possible hang time achievable by humans jumping from level ground?
Solution Summary: The author determines the longest possible hang time achievable by humans jumping from level ground when an object travels 4.905m after 1sec of free-fall.
Hang time. On Earth, an object travels
4.905
m
after
1
sec
of free fall. Thus, by symmetry, an athlete would require 1 sec to jump
4.905
m
high, and another second to come back down. Is it possible for a person to stay in the air (have a “hang time” of) 2 sec? can a person have a hang time of
1.5
sec
?
1
sec
?
What do you think is the longest possible hang time achievable by humans jumping from level ground?
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