Posted by John on Tuesday, January 3, 2012 at 10:04am.
<<If the initial velocity of projection is 100meter.>>
"100 m" does not have the proper dimension for a velocity. Do you mean 100 m/s? If so, the vertical component of Vo is
Vyo = Vo sin60 = 86.6 m/s
The stone will rise an additional distance H such that
gH = (Vyo)^2/2
H = 383 m.Max hweight above ground will be H + 100 = 483 m.
Time to reach max height = Vyo/g = 8.8 seconds.
For the total time of flight, add to that the time it takes to fall 483 m.
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