If a projectile is shot at an angle of #pi/3# and at a velocity of #29 m/s#, when will it reach its maximum height??

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Answer 1 · 2016-05-02T11:21:34

#t=2,56 " "s#

#alpha=pi/3" sin (pi/3)=0,866#
#"initial velocity :"v_i=29 " "m/s#

#"it has "v_y=0"; if object reaches its maximum height."#

#v_y=v_i*sin alpha-g*t#

#0=v_i*sin alpha-g*t#

#t=(v_i*sin alpha)/g" elapsed time to the maximum height"#

#t=(29*0,866)/(9,81)#

#t=2,56 " "s#