A projectile is launched at 10.0 m/s in a direction 45.0 degrees above the horizon.It hits the ground 10.0 m below its initial position.What is its speed just before hitting the ground? Ignore air resistance.
A) 14.1 m/s
B) 17.2 m/s
C) 20.0 m/s
D) 24.1 m/s
Correct Answer:
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