problem1:

we have one globe on the gradient....
(rolling)
velocity in t=0 = V(0) i
I=2/5 mR^2

find equation street?

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tiny-tim
Homework Helper
welcome to pf!

hi pymn_nzr! welcome to pf! (try using the X2 and X2 buttons just above the Reply box )

show us what you've tried, and where you're stuck, and then we'll know how to help! (btw, what does "slither" mean? is the sphere rolling without slipping? )

tiny-tim
Homework Helper
hi pymn_nzr! (please always reply on the thread, not by private message )
pymn_nzr said:
I solve it…its so easy…but I want all the dynamic questions are in this page( with answers)

your english is a little difficult to understand if you have more questions that you need help with, just start a new thread (preferably one for each question) is it correct?

$$Y=\frac{g\sin \alpha }{2V_{0}^{2}(1-\frac{I}{mR^{2}})}X^{2}$$

tiny-tim
$$Y=\frac{g\sin \alpha }{2V_{0}^{2}(1-\frac{I}{mR^{2}})}X^{2}$$
i don't have time to check it properly , because i'm going out in a few minutes,