Answered: Consider two springs with the same…

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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Consider two springs with the same unknown spring constant k1. The springs are stood up vertically on the ground right next to each other, and their equilibrium lengths are 30.00cm. A 2.90kg mass is placed atop the springs, and the springs compress a displacement 5.10cm. Determine the spring constant k1 of the springs. _____ N/m Amika, Reggie, Francene, and Bruce are conducting a lab experiment where the following question is posed: "Consider a mass-spring system where a block slides down an inclined ramp with friction and onto a flat frictionless surface where a horizontal spring is attached to a wall. The block compresses the spring, and is then shot back along the flat frictionless surface and then up the frictioned ramp. Describe what happens to the total energy in the system at each region of the system: 1. When the block is sliding down the frictioned ramp 2. When the mass is compressing the spring on the flat frictionless surface 3. The instant the block fully compresses the spring 4. When the spring is decompressing and pushing the block back on the flat frictionless surface 5. When the block is sliding back up the frictioned ramp Which students' response is most correct? a. Bruce: "There is energy gained in the system when the block slides down because it is gaining the energy from potential energy, and it is lost again when it goes back up the ramp. So the total energy initially is zero and finally is zero as well." b. Francene: "There is energy lost when the block is compressing and decompressing the spring since some of the energy leaves the block and goes into the spring, but not all of it. So the total energy at the beginning is more than the total energy at the end." c. Reggie: "There is energy lost when the block is sliding up and down the ramp due to friction, which is a nonconservative force. So the total energy at the beginning is more than the total energy at the end." d. Amika: "There is no energy lost in the system at all since energy is always conserved, so the energy remains constant the entire time."

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