Homework Help: Physics

Posted by Zess on Saturday, May 12, 2012 at 10:36pm.

A cannon fires a projectile into the air at an angle of 60degrees above the horizontal. The projectile falls back on the ground at a distance d from the cannon and its maximum height is h. Ratio d/h is equal to:

Physics - Elena, Sunday, May 13, 2012 at 4:58am
d =vₒ²•sin2α/g = 2•vₒ²•sinα•cosα/g,
h= vₒ²• sin² α/2g.
d/h =4/g•tan α = 4/9.8•tan60º=0.24.

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