What is the velocity of a 74.8kg jogger with a kinetic energy of 1085.0 j?

Question

Chemistry

Kristen Copeland

25 October, 17:12

What is the velocity of a 74.8kg jogger with a kinetic energy of 1085.0 j?

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Answers (1)

Know the Answer?

Shania Andersen · Answer 1

5.386m/s

Explanation:

kinetic energy is K = 1/2 * m*v^2

Velocity:

v = (2K / m) ^ (1/2)

v = (2 * 1085 (kg*m^2 / s^2) / 74.8kg) ^ (1/2)

v = 5,386m/s

(Remember:

N = kg * m^2 / s^2

() ^1/2 is equal to square root)