If a projectile is shot at an angle of $(7pi)/12$ and at a velocity of $18 m/s$ , when will it reach its maximum height?

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Answer 1 · 2016-09-27T12:46:08

$t=1.78 " "s$

$v_i:"Initial velocity ; "v_i=18" "m/s$

$alpha:"Projectile angle ; "alpha=(7 pi)/12 " "sin alpha=0.97$

$g=9.81 " "N/(kg)$

$t=(v_i*sin alpha)/g$

$t=(18*0.97)/(9.81)$

$t=1.78 " "s$

If a projectile is shot at an angle of (7pi)/12(7pi)/12 and at a velocity of 18 m/s18 m/s, when will it reach its maximum height?