Posted by Anonymous on Monday, January 3, 2011 at 3:10pm.
a ball is thrown at an initial angle of 37 and initail velocity of 23.0 m/s reaches a maximum height h, as shwon in the Figure. With what initial speed must a ball be thrown straight up to reach the same maximum height h?

physics  bobpursley, Monday, January 3, 2011 at 3:27pm
Vi^2=2gh
Vi= sqrt (2gh)

physics  Nayalin, Monday, June 20, 2011 at 8:42pm
sin(37) * 23 = 13.8
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