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October 21, 2014

October 21, 2014

Posted by **Sugarkanpaw** on Tuesday, October 5, 2010 at 4:53am.

- Physics -
**vishesh**, Tuesday, October 5, 2010 at 7:52ama)T=2u sin60/g=13.85s

b)t=T/2=6.92s

c)R=554.25m

- Physics -
**drwls**, Tuesday, October 5, 2010 at 8:36amFor a, using g = 9.80 m/s^2, I get

T = 2 u sin 60/g = 14.14 s. If I use g = 9.81 m/s^2, I get 14.12 s.

This leads to slightly different answers to b) and c) than were obtained by vishesh

c) Use

R = u cos 60 * T

- Physics -
**Anonymous**, Monday, September 24, 2012 at 12:34pmA projectile is fired from ground level with an initial velocity of 50m/s and an initial angle of 30degree. Assuming g= 9.8 m/s*2, find:

(a) The projectile total time of flight.

(b) The maximum height attained

(c) The total horizontal traveled

(d) The final horizontal and vertical velocities just before it hits the ground

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