# 2D Motion

### Problems for Motion with Constant Acceleration in Two and Three Dimensions

Problem : A basketball player who is standing 15 feet away from a basketball hoop is trying to make a basket. If the height of the hoop is 10 feet, and the height at which the player shoots the ball is 6 feet, at what angle and with what speed should the player shoot the ball?

Figure %: Diagram of a basketball player shooting a ball with speed v and angle θ .

Problem : Assume that the basketball player in the previous problem has a special condition which allows him only to shoot basketballs at a speed of 10 ft/s. How might someone go about finding at what angle must he shoot the ball in order to make the basket?

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