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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?

1 Answer

Sep 27, 2016

#t=1.78 " "s#

Explanation:

#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#

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