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## Homework Statement

A ball is thrown toward a cliff of height h with a speed of 23.88 m/s and an angle of 52° above horizontal. It lands on the edge of the cliff 3.49 s later.

What is thy ball impact speed?

**2. The attempt at a solution**

shouldnt it be

Vx= Vo*cos(theta)

Where Vx= 23.88*cos(52)= 14.70 m/s?

Thats what im getting but its telling me I'm wrong... Am I using the wrong equation?