A projectile is shot from the ground at a velocity of #4 m/s# at an angle of #(5pi)/12#. How long will it take for the projectile to land?

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A projectile is shot from the ground at a velocity of #4 m/s# at an angle of #(5pi)/12#. How long will it take for the projectile to land?

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Answer 1 · 2016-02-09T09:06:33

#x_(max)~=0,408" m"#

Explanation:

#theta=(5cancel(pi))/12*180/cancel(pi)#
#theta=75 ^o#
#g=9,82 m/s^2#
#sin 2theta=150 ^o=sin 30^o=0,5#
#x_(max)=(v_i^2*sin 2theta)/(2*g)#
#x_(max)=(4^2*0,5)/(2*9,81) #
#x_(max)=(16 *0,5)/(19,62)#
#x_(max)=8/(19,62)#
#x_(max)~=0,408" m"#

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A projectile is shot from the ground at a velocity of #4 m/s# at an angle of #(5pi)/12#. How long will it take for the projectile to land?

1 Answer

Explanation:

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