Problem a skateboarder with an initial speed of 42ms rolls, Ask an Expert

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Problem: A skateboarder, with an initial speed of 4.2m/s, rolls virtually friction free down a straight incline of length 15m in 3.3 s.

Part A: At what angle is the incline oriented above the horizontal?

I need help to find at what angle the incline is oriented above the horizontal.

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