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Get Full Access to Physics With Masteringphysics - 4 Edition - Chapter 10 - Problem 11p
Get Full Access to Physics With Masteringphysics - 4 Edition - Chapter 10 - Problem 11p

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# The angle an airplane propeller makes with the horizontal

ISBN: 9780321541635 54

## Solution for problem 11P Chapter 10

Physics with MasteringPhysics | 4th Edition

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Problem 11P

Problem 11P

The angle an airplane propeller makes with the horizontal as a function of time is given by θ = (125 rad/s)t + (42.5 rad/s2)t 2. (a) Estimate the instantaneous angular velocity at t = 0.00 s by calculating the average angular velocity from t = 0.00 s to t = 0.010 s. (b) Estimate the instantaneous angular velocity at t − 1.000 s by calculating the average angular velocity from t = 1.000 s to t = 1.010 s. (c) Estimate the instantaneous angular velocity at t = 2.000 s by calculating the average angular velocity from t = 2.000 s to t = 2.010 s. (d) Based on your results from parts (a), (b), and (c), is the angular acceleration of the propeller positive, negative, or zero? Explain. (e) Calculate the average angular acceleration from t = 0.00 s to t − 1.00 s and from t = 1.00 s to t = 2.00 s.

SECTION 10-2 ROTATIONAL KINEMATICS

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