Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotation Of A Rigid Object About A Fixed Axis
Section: Chapter Questions
Problem 10.21P: A disk 8.00 cm in radius rotates at a constant rate of 1 200 rev/min about its central axis....
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Question
I just need help with part d I don’t know if I’m on the right track.
Transcribed Image Text:d) find the linear speed (in /m/s) of a point 60cm from th
end of the blode.
60cm m
1cm = 0.0lm
X
60cm x
60cm = 0.6m
r² = (2.40 + 0.60)m.
= 3m
N=rw
2.00. ai In manigaih volipge 211 h
= 3m x 120.26
(3.985
Dein (21m) ni bagge pil
shold
Transcribed Image Text:2. An airplane propeller with blades 2.40 m long is rotating at 1150 rpm. (a) Express its
1686.04rad
120.36 rød/s
angular speed in rad/s. (b) Find its angular displacement in 14.00 s. (c) Find the linear
288.86 m/s
speed (in m/s) of a point on the end of the blade. (d) Find the linear speed (in m/s) of
a point 60 cm from the end of the blade.
*Make a sketch and show in the completed solution working equations and calculations!
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