Answer to Question #84243 in Mechanics | Relativity for Sayem

Question

It is a projectile motion problem:
A quarter circle A,C,E. a circus motor stunts man wishes to go from A to C.
CE is the height 5m. From A point motor starts with an angle (thetha).
From A to C its direction ADC.AE=10. B is in middle so AB=EB= 5. In the road ABC motors velocity is 10 ms/1 and friction force is 10 N . total mass is 200 kg
So whats the thetha?? Not the angle <CBE. The quarter circle ACE like projectile angle. Whats thetha(θ)?