College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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1. What is uniform circular motion? Explain
2. In lacrosse, a ball is thrown from a net on the end of a stick by rotating the stick and forearm about the
elbow. If the angular velocity of the ball about the elbow joint is 30.0 rad/s and the ball is 1.30 m from
the elbow joint, what is the velocity of the ball?
3. A fairground ride spins its occupants inside a flying saucer-shaped container. If the horizontal circular
path the riders follow has an 8.00 m radius, at how many revolutions per minute will the riders be
subjected to a centripetal acceleration 1.50 times that due to gravity?
4. A puck of mass 0.500 kg is attached to the end of a cord 1.50 m long. The puck moves in a horizontal
circle. If the cord can withstand a maximum tension of 50.0 N, what is the maximum speed at which
the puck can move before the cord breaks?
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