Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects. A projectile is fired with an initial speed of 591 m/sec at an angle of 45°. What is the greatest height reached by the projectile? Round your answer to the nearest tenth.

A. 8910.2 m
B. 85.3 m
C. 87,320.3 m
D. 35,640.9 m


Answer: A

Mathematics

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