Holding a long rope by its upper end, youlower it onto a scale. The rope has a mass of 0.13 kg per meterof length, and is lowered onto the scale at the constant rate of1.4 m>s. (a) Calculate the thrust exerted by the rope as it landson the scale. (b) At the instant when the amount of rope at reston the scale has a weight of 2.5 N, does the scale read 2.5 N, morethan 2.5 N, or less than 2.5 N? Explain. (c) Check your answer topart (b) by calculating the reading on the scale at this time.
Holding a long rope by its upper end, youlower it onto a scale. The rope has a mass of 0.13 kg per meterof length, and is lowered onto the scale at the constant rate of1.4 m>s. (a) Calculate the thrust exerted by the rope as it landson the scale. (b) At the instant when the amount of rope at reston the scale has a weight of 2.5 N, does the scale read 2.5 N, morethan 2.5 N, or less than 2.5 N? Explain. (c) Check your answer topart (b) by calculating the reading on the scale at this time.
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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Holding a long rope by its upper end, you
lower it onto a scale. The rope has a mass of 0.13 kg per meter
of length, and is lowered onto the scale at the constant rate of
1.4 m>s. (a) Calculate the thrust exerted by the rope as it lands
on the scale. (b) At the instant when the amount of rope at rest
on the scale has a weight of 2.5 N, does the scale read 2.5 N, more
than 2.5 N, or less than 2.5 N? Explain. (c) Check your answer to
part (b) by calculating the reading on the scale at this time.
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