High School

What is the kinetic energy of a 150 kg object that is moving with a speed of 15 m/s?

A) 16,875 J
B) 33,750 J
C) 50,625 J
D) 67,500 J

Answer :

Final answer:

The kinetic energy of a 150 kg object moving at a speed of 15 m/s is calculated to be 16875 J, making the correct answer A) 16875 J.

Explanation:

The formula for calculating kinetic energy is KE = 0.5 * mass * velocity^2.

Using this formula, we can calculate the kinetic energy of the 150 kg object that is moving with a speed of 15 m/s as follows:

KE = 0.5 * 150 kg * (15 m/s)^2

Simplifying the equation:

KE = 0.5 * 150 kg * 225 m^2/s^2

KE = 16875 J

Therefore, the kinetic energy of the object is 16875 J (option A).

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