A 34 cm diameter circular saw blade has a mass of 0.95 kg, distributed uniformly as in a disk. What is its rotational kinetic energy at 4500 rpm, and what average power must be applied to bring the blade from rest to 4500 rpm in 3.5 s ?
A 34 cm diameter circular saw blade has a mass of 0.95 kg, distributed uniformly as in a disk. What is its rotational kinetic energy at 4500 rpm, and what average power must be applied to bring the blade from rest to 4500 rpm in 3.5 s ?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter10: Fixed-axis Rotation
Section: Chapter Questions
Problem 58P: A diver goes into a somersault during a dive by tucking her limbs. If her rotational kindetic energy...
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A 34 cm diameter circular saw blade has a mass of 0.95 kg, distributed uniformly as in a disk. What is its rotational kinetic energy at 4500 rpm, and what average power must be applied to bring the blade from rest to 4500 rpm in 3.5 s ?
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