Asked by joe
At a track-and-field meet, the best long jump is measured as 8.00 m. The jumper took off at an angle of 46° to the horizontal.
(a) What was the jumper’s initial speed? (Neglect air resistance.)
1 m/s
(b) If there were another meet on the Moon and the same jumper could attain only half of the initial speed he had on the Earth, what would be the maximum jump there?
2 m
(Air resistance does not have to be neglected in part (b). Why?)
(a) What was the jumper’s initial speed? (Neglect air resistance.)
1 m/s
(b) If there were another meet on the Moon and the same jumper could attain only half of the initial speed he had on the Earth, what would be the maximum jump there?
2 m
(Air resistance does not have to be neglected in part (b). Why?)
Answers
Answered by
bobpursley
I will be happy to critique your work.
Answered by
matt
im talking about the ones asked at 7:55 and 7:57...please
Answered by
Bobby
7.8 m
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