Projectile Motion: A projectile is fired from ground level with a speed of 150 m/s at an angle 30° above the horizontal on an airless planet where g = 10.0 m/s2. What is the horizontal component of its velocity after 4.0 s?
A. 150 m/s
B. 35 m/s
C. 130 m/s
D. 75 m/s
E. 38 m/s
Answer: C
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Fill in the blank(s) with correct word