A device moves different weights with a velocity of 30 m/s at a height of 50m. What is the total mechanical energy possessed by the weight with mass 60 kg when lifted by the device (given: acceleration due to gravity, g = 10 m/s2)?

A device moves different weights with a velocity of 30 m/s at a height of 50m. What is the total mechanical energy possessed by the weight with mass 60 kg when lifted by the device (given: acceleration due to gravity, g = 10 m/s2)?