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sergiy2304 [10]

2 years ago

11

Two objects were lifted by a machine. One object had a mass of 5000 kg, and was lifted at a speed of 2 m/sec. The other had a ma

ss of 4000 kg and was lifted at a rate of 3 m/sec. Which one has more Kinetic Energy?

1 answer:

Leokris [45]2 years ago

3 0

Equation for ke = 1/2mv^2
1) ke = 1/2 x 5000 x (2x2)
= 10,000J
2) ke = 1/2 x 4000 x (3x3)
= 18,000J
So Object 2 has more Kinetic Energy

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