If a projectile is shot at an angle of #pi/4# and at a velocity of #5 m/s#, when will it reach its maximum height?? Physics 1D Motion Falling Objects 1 Answer ali ergin Jun 5, 2016 #t_e=0.36" "s# Explanation: #alpha=pi/4# #v_i=5" "m/s# #t_e=v_i*sin alpha/g" time elapsed "# #t_e=(5*0.707)/(9.81)# #t_e=0.36" "s# Answer link Related questions Question #50365 Question #d6555 What is the definition of free fall? Question #d655d Question #f7a6f An archer shoots an arrow with an initial velocity of 21 m/s straight up from his bow. He... What is the percent difference between the acceleration due to gravity at sea level and at the... What height will a dart achieve 7 seconds after being blown straight up at 50 m/s? How long does a ball take to reach the ground 7 m below, if it is thrown straight up with an... How long does a ball take to fall from a roof to the ground 7 m below? See all questions in Falling Objects Impact of this question 1109 views around the world You can reuse this answer Creative Commons License