In One Contest At The County Fair A Spring Loaded Plunger Launches A Ball At A S

In one contest at the county fair, a spring-loaded plunger launches a ball at a speed of 4.00 from one corner of a smooth, flat board that is tilted up at a 20 angle. To win, you must make the ball hit a small target at the adjacent corner, 2.05 away. At what angle should you tilt the ball launcher?

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