A projectile is shot from the ground at a velocity of $1 m/s$ at an angle of $(5pi)/12$ . How long will it take for the projectile to land?

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Answer 1 · 2016-04-02T11:17:18

$t_e=0,197" s"$

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$"given data:"$
$"initial velocity :"v_i=1" "m/s " (red vector)"$

$"angle :"alpha=(5pi)/12$

$sin alpha~=0,966$

$"solution:"$
$"formula for elapsed time : " t_e=(2*v_i*sin alpha)/g$

$t_e=(2*1*0,966)/(9,81)$

$t_e=0,197" s"$

A projectile is shot from the ground at a velocity of 1 m/s1 m/s at an angle of (5pi)/12(5pi)/12. How long will it take for the projectile to land?