A projectile is shot from the ground at a velocity of $36 m/s$ and at an angle of $(5pi)/6$ . How long will it take for the projectile to land?

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Answer 1 · 2016-04-02T11:42:30

$t_e~=3,67" s"$

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$""given data:"$

$v_i=36" "m/s" "alpha=(5pi)/6" "t_e=?$
$v_i:"initial velocity"$
$alpha:"projectile angle"$
$t_e:"elapsed time for the projectile"$

$"formula : "t_e=(2*v_i*sin alpha)/g$

$sin((5pi)/6)=0,5$

$t_e=(2*36*0,5)/(9,81)$

$t_e~=3,67" s"$

A projectile is shot from the ground at a velocity of 36 m/s36 m/s and at an angle of (5pi)/6(5pi)/6. How long will it take for the projectile to land?