What is the horsepower of a 1500.0 kg car that can go to the top of a 360.0 m high hill in exactly 1.00 minutes?

118 hp

1500kg * 360 m * 2.2lbs * 3.28 ft / 60 s / 550 ft*lbs/s (thats the conversion factor between horsepower and power)

or

1500kg * 9.8 m/s^2 * 360 m / 60s / 745.7 watts/hp