If a projectile is shot at an angle of #(pi)/8# and at a velocity of #32 m/s#, when will it reach its maximum height?

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Answer 1 · 2016-05-10T09:30:12

#t=1.24 "sec"#

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#"the vertical component of velocity is zero,if Object reaches its maximum height"#

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

#0=32*sin(pi/8)-9.81*t#

#0=32*0.38-9.81*t#

#0=12.16-9.81*t#

#9.81*t=12.16#

#t=(12.16)/(9.81)#

#t=1.24 "sec"#