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Problem 2.268 A top-slewing crane is lifting an object C at a constant rate of ż = 5.3 ft/s while rotating 0.12 rad/s about the vertical axis. If the distance between the object and the axis of rotation of the crane's boom is r = 46 ft and it is being reduced %3D at a constant rate w at a constant rate of 6.5 ft/s, find the velocity and acceleration of C, assuming that the swinging motion of C can be neglected.

Problem 2.268 A top-slewing crane is lifting an object C at a constant rate of ż = 5.3 ft/s while rotating 0.12 rad/s about the vertical axis. If the distance between the object and the axis of rotation of the crane's boom is r = 46 ft and it is being reduced %3D at a constant rate w at a constant rate of 6.5 ft/s, find the velocity and acceleration of C, assuming that the swinging motion of C can be neglected.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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please include a fbd 

the answers i got are, 

vC=(-6.500uR+5.520u theta+5.300uz)ft/s

aC=(-0.6624uR-1.560u theta)ft/s2

Problem 2.268 A top-slewing crane is lifting an object C at a constant rate of ż = 5.3 ft/s while rotating %3D at a constant rate w 0.12 rad/s about the vertical axis. If the distance between the object and the axis of rotation of the crane's boom is r = 46 ft and it is being reduced at a constant rate of 6.5 ft/s, find the velocity and acceleration of C, assuming that the swinging motion of C can be neglected. Figure P2.268
Transcribed Image Text:Problem 2.268 A top-slewing crane is lifting an object C at a constant rate of ż = 5.3 ft/s while rotating %3D at a constant rate w 0.12 rad/s about the vertical axis. If the distance between the object and the axis of rotation of the crane's boom is r = 46 ft and it is being reduced at a constant rate of 6.5 ft/s, find the velocity and acceleration of C, assuming that the swinging motion of C can be neglected. Figure P2.268
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