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anonymous
 4 years ago
A certain projectile is launched with an initial speed of Vo. At its highest point, its speed is 1/2Vo. What was the launch angle of the projectile?
A. 30 degree
B. 45 degree
C. 60 degree
D. 75 degree
Anyone pls show me how to calculate this!!
anonymous
 4 years ago
A certain projectile is launched with an initial speed of Vo. At its highest point, its speed is 1/2Vo. What was the launch angle of the projectile? A. 30 degree B. 45 degree C. 60 degree D. 75 degree Anyone pls show me how to calculate this!!

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0c. 60' since horizontal velocity is constant in a projectile and at the highest point projectile has no vertical velocity. so V0 cos (theta)= V0/2 so theta=60'
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