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**Projectile Motion PLEASE HELP MIDTERM TOMMOROW!!!**

**1. A ball is launched with a velocity of 1000m/s at some angle theta. The ball must travel 2000m in the x dir and land 800m in the y dir on a plateau. What theta should the ball be shot at to make this happen.**

**2. y=y0 +v0t -.5gt^2**

**3. I solved for t using x=v0cos(theta)t and plugged that into the y equation and got one solution. The answer key says theres two solutions. One at 20 something, which is the one i got and also one at 89.4 degrees. Can someone show me how to get the other/both solutions**

THANKS!!!!!! I appreciate it