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What was the range?

A projectile is fired with a horizontal speed of 25 m/s from the top of a mountain of height 110 m. What was the range and time of flight of the projectile?

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Ralph L. | Algebra I, II, Visual Basic, Beginning C++ tutorAlgebra I, II, Visual Basic, Beginning C...
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.5 * 9.8m/s2 * t2 = 110m
 
4.9t2 = 110
 
t2 = 110/4.9
 
t ≈ 4.74s
 
range = 4.74 * 25 = 118.5 meters
 
Brad M. | Summer Online Finance Specialist: WACC NPV DCF TVM YTMSummer Online Finance Specialist: WACC ...
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Sun -- reasoning without formulas ... KE=PE ... gh=0.5V*V ... Vdn~ sqrt 2200 ~ sqrt(50x44) ~47m/s ... free-fall time is 4.7s ... range 5*25 with 6% discount ==> 125-7 ~ 118m ... Regards :)