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Question
As shown below, an object with a mass of 5 kg is moving at a speed of 10 m/s. Another object with a mass of 10 kg is moving at a speed of 5 m/s.



Which of the objects has higher kinetic energy?

(1 point)
Responses

The 10 kg object has higher kinetic energy.
The 10 kg object has higher kinetic energy.

The 5 kg object has higher kinetic energy.
The 5 kg object has higher kinetic energy.

Both objects have zero kinetic energy.
Both objects have zero kinetic energy.

The objects have equal kinetic energy.
The objects have equal kinetic energy.

Answers

The formula to calculate kinetic energy is KE = 1/2mv^2, where m is the mass of the object and v is its velocity.

For the 5 kg object with a speed of 10 m/s, the kinetic energy would be KE = 1/2 * 5 kg * (10 m/s)^2 = 250 J.

For the 10 kg object with a speed of 5 m/s, the kinetic energy would be KE = 1/2 * 10 kg * (5 m/s)^2 = 125 J.

Therefore, the 5 kg object has higher kinetic energy, so the correct answer is:

The 5 kg object has higher kinetic energy.

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