Solved: Projectile Motion on an Incline. Refer to the

Chapter 3, Problem 3.87

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Projectile Motion on an Incline. Refer to the Bridging Chapter 3. (a) An archer on ground that has a constant upward slope of aims at a target 60.0 m farther up the incline. The arrow in the bow and the bulls-eye at the center of the target are each 1.50 m above the ground. The initial velocity of the arrow just after it leaves the bow has magnitude At what angle above the horizontal should the archer aim to hit the bullseye? If there are two such angles, calculate the smaller of the two. You might have to solve the equation for the angle by iteration that is, by trial and error. How does the angle compare to that required when the ground is level, with 0 slope? (b) Repeat the problem for ground that has a constant downward slope of 30.0.