In a charming 19th century hotel, an old-style elevator is connected to a counterweight by a cable
Question:
(a) At how many rpm must the disk turn to raise the elevator at 25.0 cm/s?
(b) To start the elevator moving, it must be accelerated at 1/8g. What must be the angular acceleration of the disk, in rad/s3?
(c) Through what angle (in radians and degrees) has the disk turned when it has raised the elevator 3.25 m between floors?
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Related Book For
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 978-0073398242
11th edition
Authors: Ferdinand Beer, E. Russell Johnston Jr., David Mazurek, Phillip Cornwell, Brian Self
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