A Motorcycle Daredevil Wants to Ride Up a 50 $\degree$ Incline to the Ground

Multiple Choice

A motorcycle daredevil wants to ride up a 50.0 m ramp set at a 30.0 $\degree$ incline to the ground.It will launch him in the air and he wants to come down so he just misses the last of a number of 1.00 m diameter barrels.If the speed at the instant when he leaves the ramp is 60.0 m/s,how many barrels can be used?

A) 79
B) 318
C) 332
D) 355
E) 402