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A projectile is shot from the ground at a velocity of #14 m/s# and at an angle of #(7pi)/12#. How long will it take for the projectile to land?

1 Answer

Feb 9, 2016

#x_(max)~=-9,9898m#

Explanation:

#alpha=7pi/12*180/pi=105^o#
#x_(max)=(v_i^2*sin2 alpha)/g#
#x_(max)=(14^2*sin210)/(9,81)#
#x_(max)=(196*(-0,5))/(9,81)#
#x_(max)~=-9,9898m#

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