Solve the problem. Unless stated otherwise, assume that the projectile flight is ideal, that the launch angle is measured from the horizontal, and that the projectile is launched from the origin over a horizontal surfaceA spring gun at ground level fires a tennis ball at an angle of 54°. The ball lands 25 m away. What was the ball's initial speed? Round your answer to the nearest tenth.
A. 5.1 m/sec
B. 17.4 m/sec
C. 257.6 m/sec
D. 16.1 m/sec
Answer: D
Mathematics
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