Question

Two objects are being lifted by a machine. One object has a mass of 2kg, and is lifted at a speed of 2 m/s . The other has a mass of 4kg and is lifted at a rate of 3 m/s.

which object has more kinetic energy while it is being lifted?

Answer 1

Answer: .The second object had more kinetic energy than the first one had.

Step-by-step explanation: Kinetic energy = (1/2) (mass) (speed²)First object: (1/2) (2 kg) (2 m/s)² = 4 joules .Second object: (1/2) (4 kg) (3 m/s)² = 18 joules