A projectile is fired from ground level at an angle of 40.0° above horizontal at a speed of .What is the speed of the projectile when it has reached a height equal to 50.0% of its maximum height?
A) 26.0 m/s
B) 27.4 m/s
C) 28.7 m/s
D) 26.7 m/s
E) 28.1 m/s
Correct Answer:
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