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21. The maximum distance s and the maximum
height h that a projectile shot at an angle 0
are given by:
sin 20 and h =
vo sin e
2g
where vo is the shooting velocity and
g = 9.81 m/s?. Determine s(0) and h(0) for
0 = 15°, 25°, 35°, 45°, 55°, 65°, 75° if vo = 260m/s.

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