Sports FAQ
Home / Athletics

Xiao-Ming University Games in this year's long jump competition in a satisfactory jump out of the fu

Russia this2010-01-30 23:01:29 +0000 #1
you can jump jump, when describing his center of gravity height change, he and then to focus on the maximum take-off when the time spent is about the number of .

Please write the specific process, thank you. Awards
qqiamsorry2010-01-30 23:10:59 +0000 #2
h =- 409t ² +7 / 2t

h =- 409 (t ² -7/818t +7 ² / 1636 ²) +409 * 7 ² / 1636 ²

h =- 409 (t-7 / 1636) ² +320656

when t = 7 / 1636, after his take-off to the highest center of gravity

Reply

Name:
Content:


Other posts in this category