Projection (velocity, duration and height) Calculator

Calculates the initial velocity, flight duration and maximum height of the projection from the initial angle and travel distance.

 Initial angle θ degree, 0＜θ＜90 Travel distance l m ft [ Gravity g m/s2 ] 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit Initial velocity v = Flight duration t sec Maximum height h
 $\normal Projection\\(1)\ v=\sqrt{\large\frac{gl}{2sin\theta cos\theta}}\\(2)\ t={\large\frac{l}{vcos\theta}}\\(3)\ h={\large\frac{1}{2}}g{\large(\frac{t}{2})}^2={\large\frac{gt^2}{8}}\\$
Projection (velocity, duration and height)
 [1-5] /5 Disp-Num5103050100200
[1]  2018/02/19 04:00   Male / Under 20 years old / Elementary school/ Junior high-school student / A little /
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Science fair
[2]  2017/11/27 15:47   Female / Under 20 years old / High-school/ University/ Grad student / Very /
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checking work
[3]  2017/10/17 11:12   Male / Under 20 years old / High-school/ University/ Grad student / Useful /
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[4]  2015/01/27 02:19   Male / Under 20 years old / High-school/ University/ Grad student / A little /
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Help with work
[5]  2014/08/24 16:10   Male / Under 20 years old / Elementary school/ Junior high-school student / Not at All /
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a projectile is fired vertically upward and reched at height of 125m.find the velocity of projection and time it takes to reaches it highest point

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