a. A crane arm AB of length 80 m is anchored at point B at an angle
Question:
a. A crane arm AB of length 80 m is anchored at point B at an angle of 40° to the horizontal. A wrecking ball is suspended on a cable of length 60 m from A. Find the angle x through which the wrecking ball rotates as it passes the two points level with the base of the crane arm at B.
b. Write down one modelling assumption you have made.
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Step by Step Answer:
a To find the angle x through which the wrecking ball rotates we can use the Law of Cosines and trig...View the full answer
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Related Book For 
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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