A mass m = 16 kg rests on a frictionless table and accelerated by a spring with spring constant k = 4490 N/m. The floor is frictionless except for a rough patch. For this rough path, the coefficient of friction is μk = 0.52. The mass leaves the spring at a speed v = 3.4 m/s.The mass is measured to leave the rough spot with a final speed vf = 2 m/s.Hi!can you answer the questions in the picture for me? 4) What is the length of the rough spot?Submit+5) In a new scenario, the block only makes it (exactly) half-way through the rough spot. How far was the spring compressedfrom its unstretched length?Submit+6) In this new scenario, what would the coefficient of friction of the rough patch need to be changed to in order for the blockto just barely make it through the rough patch?Submit

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Answered: A mass m = 16 kg rests on a…

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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A mass m = 16 kg rests on a frictionless table and accelerated by a spring with spring constant k = 4490 N/m. The floor is frictionless except for a rough patch. For this rough path, the coefficient of friction is μ_k = 0.52. The mass leaves the spring at a speed v = 3.4 m/s.

The mass is measured to leave the rough spot with a final speed v_f = 2 m/s.

Hi!

can you answer the questions in the picture for me?

4) What is the length of the rough spot?
Submit
+
5) In a new scenario, the block only makes it (exactly) half-way through the rough spot. How far was the spring compressed
from its unstretched length?
Submit
+
6) In this new scenario, what would the coefficient of friction of the rough patch need to be changed to in order for the block
to just barely make it through the rough patch?
Submit

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