PLEASE HELP WITH THIS PHYSICS FRQ?

anna

New member
I have no idea for any of it! I'm so confused!!! There is no other date given so I don't even know how it is possible. I would really appreciate any help! Thanks

Consider a projectile moving in a parabolic trajectory under constant gravitational acceleration. Its initial velocity has magnitude Vo, and its launch angle (with the horizontal) is theta o.

a) Calculate the maximum height, H, of the projectile.
b) Calculate the (horizontal) range, R, of the projectile.
c) For what value of theta o will the range be maximized?
d) If 0<h<H, compute the time that elapses between passing through the horizontal line of height h in both directions (ascending and descending); that is, compute the time required for the projectile to pass through the two points shown in this figure:
http://www.flickr.com/photos/54398180@N07/
 
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