A projectile is shot from the ground at a velocity of #6 m/s# and at an angle of #(7pi)/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 #6 m/s# and at an angle of #(7pi)/12#. How long will it take for the projectile to land?

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Answer 1 · 2016-02-13T10:37:43

#t_e~=1,182s#

Explanation:

#t_e:" time elapsed ; " v_i: "initial velocity ; "alpha:"angle"#
#t_e=(2*v_i*sin alpha)/g#
#alpha=(7 pi)/12*180/pi=105^o#
#sin 105=sin 75=0,966" g:9,81"#
#t_e=(2*6*0,966)/(9,81)#
#t_e~=1,182s#

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A projectile is shot from the ground at a velocity of #6 m/s# and at an angle of #(7pi)/12#. How long will it take for the projectile to land?

1 Answer

Explanation:

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