answer all parts please

(5%) Problem 10: A skateboarder is attempting to skate through a vertical loop of radius r = 8.5 m. He skates down a ramp and is launched into the loop by an inclined plane that makes an angle of 0 = 45 degrees with respect to the horizontal. Forbes, David - david.forbes@doane.edu @theexpertta.com - tracking id: 9N69-72-B9-45-AB7A-35266, In accordance with Expert TA's Terms of Service, copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. If the skateboarder begins from rest how high does the ramp he starts from have to be so that he does not fall at the top of the loop? Give your answer in meters. h = 1 Grade Summary m Deductions 0% Potential 100% sinQ cos tan( 7 8 9 HOME Submissions cotan( asin acoso E 4 5 6 Attempts remaining 1 (71% per attempt) atan() acotan() sinh() 2 3 detailed view coshO tanho cotanh( + END Degrees O Radians VO BACKSPACE CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback