Recent content by Drajcoshi

this this correct? what happens next? sorry all this maths notation is so confusing since i am not a maths student. also don't know how to write using the equation editor.

alright, did more calcultion and stuck don't know how to find the max and min of z. I have included the calculation, could you check it for me? thanks https://www.dropbox.com/s/0qq6cyopw4d0bvj/photo.JPG

At this point I am we'll confused, how would you do it? Really appreciate your help. I think I completely messed up the calculation.

Homework Statement A particle moves under the action of gravity on a conical surface z^2 = 4(x^2+ y^2), z ≥ 0, where z is the vertical axis. For initial position r = (1, 0, 2) and initial velocity ṙ = (0, 2, 0) find the extremal values of z along the trajectory. Take g = 10. Homework...