A projectile is projected from the origin with a velocity of 20.0 m/s at an angle of 30.0 degrees above the horizontal.The projectile lands on a roof that is 4.00 m height.What is the time when the projectile hits the roof?
A) 1.11 s
B) 1.27 s
C) 1.33 s
D) 1.49 s
E) 1.67 s

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The Answer of A projectile is projected from the origin with a velocity of 20.0 m/s at an angle of 30.0 degrees above the horizontal.The projectile lands on a roof that is 4.00 m height.What is the time when the projectile hits the roof?
A) 1.11 s
B) 1.27 s
C) 1.33 s
D) 1.49 s
E) 1.67 s

A Projectile Is Projected from the Origin with a Velocity