: A waiter pushes a glass over the counter toward his customer at an initial speed of 5.5 m/s. Two meters ahead, the customer picks up the glass at the end of the counter, which has now lost 40% of its velocity. (a) Draw the free-body diagram for the glass and determine the acceleration of the glass as it slides over the counter, assumed to be constant? (b) What is the coefficient of kinetic friction between the counter and the glass? (c) If the customer was distracted and did not pick up the glass, how far from the base of the counter, 90 cm high, would the glass fall?
: A waiter pushes a glass over the counter toward his customer at an initial speed of 5.5 m/s. Two meters ahead, the customer picks up the glass at the end of the counter, which has now lost 40% of its velocity. (a) Draw the free-body diagram for the glass and determine the acceleration of the glass as it slides over the counter, assumed to be constant? (b) What is the coefficient of kinetic friction between the counter and the glass? (c) If the customer was distracted and did not pick up the glass, how far from the base of the counter, 90 cm high, would the glass fall?
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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Q5: A waiter pushes a glass over the counter toward his customer at an initial speed of 5.5 m/s. Two meters
ahead, the customer picks up the glass at the end of the counter, which has now lost 40% of its velocity.
(a) Draw the free-body diagram for the glass and determine the acceleration of the glass as it slides over the counter,
assumed to be constant?
(b) What is the coefficient of kinetic friction between the counter and the glass?
(c) If the customer was distracted and did not pick up the glass, how far from the base of the counter, 90 cm high, would the glass
fall?
(d) Conceptual Discussion - Discuss what would happen to the answer in (c) if there were no friction.
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