A projectile is fired with a muzzle velocity of 300 m/s from a gun aimed upward at an angle of 20° with the horizontal, from the top of a building 30 m high above a level ground. With what velocity will it hit the ground in m/s?
A. 298 m/s
B. 299 m/s
C. 300 m/s
D. 301 m/s
The velocity of the projectile when it hit the ground is 301 m/s.
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