015 (part 1 of 2) 10.0 points

Question

A car is parked on a cliff overlooking the
ocean on an incline that makes an angle of 21�
below the horizontal. The negligent driver
leaves the car in neutral, and the emergency
brakes are defective. The car rolls from rest
down the incline with a constant acceleration
of 4.9 m/s2 and travels 41 m to the edge of
the cliff. The cliff is 24 m above the ocean.
How long is the car in the air? The acceler-
ation of gravity is 9.81 m/s2 .