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The diameter of the eye of a stationary hurricane is 20 mi and the maximum wind speed is 100 mi/h at the eye wall with r = 10 mi. Assuming that the wind speed is constant for constant r and decreases uniformly with increasing r to 40 mi/h at r = 110 mi, determine the magnitude of the acceleration of the air at (a) r = 10 mi, (b) r = 60 mi, (c) r= 110 mi.

The diameter of the eye of a stationary hurricane is 20 mi and the maximum wind speed is 100 mi/h at the eye wall with r = 10 mi. Assuming that the wind speed is constant for constant r and decreases uniformly with increasing r to 40 mi/h at r = 110 mi, determine the magnitude of the acceleration of the air at (a) r = 10 mi, (b) r = 60 mi, (c) r= 110 mi.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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11.136 Dynamics
Fig. P11.135 5 m 11.136 The diameter of the eye of a stationary hurricane is 20 mi and the maximum wind speed is 100 mi/h at the eye wall with r = 10 mi. Assuming that the wind speed is constant for constant r and decreases uniformly with increasing r to 40 mi/h at r = 110 mi, determine the magnitude of the acceleration of the air at (a) r = 10 mi, (b) r = 60 mi, (c) r= 110 mi. Fig. P11.136 20 mi -220 mi 11.137 The peripheral speed of the tooth of a 10-in.-diameter circular saw blade is 150 ft/s when the power to the saw is turned off. The speed of the tooth decreases at a constant rate, and the blade comes to rest al nggoloration of the tooth
Transcribed Image Text:Fig. P11.135 5 m 11.136 The diameter of the eye of a stationary hurricane is 20 mi and the maximum wind speed is 100 mi/h at the eye wall with r = 10 mi. Assuming that the wind speed is constant for constant r and decreases uniformly with increasing r to 40 mi/h at r = 110 mi, determine the magnitude of the acceleration of the air at (a) r = 10 mi, (b) r = 60 mi, (c) r= 110 mi. Fig. P11.136 20 mi -220 mi 11.137 The peripheral speed of the tooth of a 10-in.-diameter circular saw blade is 150 ft/s when the power to the saw is turned off. The speed of the tooth decreases at a constant rate, and the blade comes to rest al nggoloration of the tooth
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