# Calculate the kinetic energy of a ball on a breathing exercise device, Spirometer. The mass of the ball is 0.75kg and the velocity is 0.3 m/s.?

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- JimLv 78 months ago
KE = 1/2 m v² put in your numbers and use your calc

.75kg is about 2 pounds, are you sure it's not in grams?

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- Anonymous8 months ago
KE = 1/2 * mass * speed^2

0-75 kg? That's a big ball in a breathing appartus.

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