Physics help?

Question

So I apologize in advance for asking for help with my homework...but I'd like to understand this before class...
A 65-kg trampoline artist jumps vertically upward from the top of a platform with a speed of 5.0 m/s, (a) how fast is he going as he lands on the trampoline, 3.0 m below from where he started? (b) If the tramp behaves like a spring with spring stiffness constant 6.2*10^4 N/m. how far does he depress it?
Please explain how to get the answer (a. 9.2 m/s) (b. -0.31m)

Answer 1

The site on the Internet to find
http://www.dricq.com/school/index.shtm
http://www.dricq.com/school/Health/14102.shtm
http://www.dricq.com/school/Health/index.shtm

Answer 2

so ap physics is solely fairly tough, and as continually is determined by the trainer as good (is he/she a well trainer? plenty or little paintings, and so on...) additionally is determined by what else you're taking while you are taking ap physics, if the opposite categories are not tough and you'll recognition at the elegance, then it is dependent and it is determined by you, and the way the field is for you, and the way tough you wish to paintings at it sorry if this does not support, however there are plenty of elements...