a. Explain the difference between a conservative and nonconservative force. b. Name a conservative force. c. Name a nonconservative force. d. Explain how gravitational potential energy and spring potential energy are referred to "energy due to location". e. e. True or False: A spring connected to a mass is just a special case of a more general idea of objects that are "spongy" or elastic. Anything that can deform and go back to its original shape like bungee cords, trampolines, also have "elastic potential energy" 2.2. What is the relationship between the change in potential energy AU and the work the associated conservative force Ww? a. done by b. A block-spring system moves from position xs=-0.020m to x%=-0.050m. If the spring has constant k = 670 N/m, then find the change in spring potential energy U% - Us using the formula on page 2. Explain how you know if there is an increase or decrease in its value. C. kg and Consider the earth + skateboarder system. If the person has mass m = 60 moves from initial position (i) to final position (f), then find the change in gravitational potential energy U%-Us in KJ units using the formula on page AU = -Wr0+S). Explain how you know if there is an increase or decrease in its value. 20m
a. Explain the difference between a conservative and nonconservative force. b. Name a conservative force. c. Name a nonconservative force. d. Explain how gravitational potential energy and spring potential energy are referred to "energy due to location". e. e. True or False: A spring connected to a mass is just a special case of a more general idea of objects that are "spongy" or elastic. Anything that can deform and go back to its original shape like bungee cords, trampolines, also have "elastic potential energy" 2.2. What is the relationship between the change in potential energy AU and the work the associated conservative force Ww? a. done by b. A block-spring system moves from position xs=-0.020m to x%=-0.050m. If the spring has constant k = 670 N/m, then find the change in spring potential energy U% - Us using the formula on page 2. Explain how you know if there is an increase or decrease in its value. C. kg and Consider the earth + skateboarder system. If the person has mass m = 60 moves from initial position (i) to final position (f), then find the change in gravitational potential energy U%-Us in KJ units using the formula on page AU = -Wr0+S). Explain how you know if there is an increase or decrease in its value. 20m
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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Transcribed Image Text:a. Explain the difference between a conservative and nonconservative force.
b. Name a conservative force.
c. Name a nonconservative force.
d. Explain how gravitational potential energy and spring potential energy are referred to "energy
due to location".
e. e. True or False:
A spring connected to a mass is just a special case of a more general idea of objects that are
"spongy" or elastic. Anything that can deform and go back to its original shape like bungee
cords, trampolines, also have "elastic potential energy" 2.2.
a.
and the work
What is the relationship between the change in potential energy AU
done by the associated conservative force Wr"#?
b.
A block-spring system moves from position xs=-0.020m to x%=-0.050m. If the spring
has constant k = 670 N/m, then find the change in spring potential energy U% - Us
using the formula on page 2. Explain how you know if there is an increase or decrease in its
value.
C.
kg and
Consider the earth + skateboarder system. If the person has mass m = 60
moves from initial position (i) to final position (f), then find the change in gravitational potential
energy U%- Us in KJ units using the formula on page AU = -W#&'0+$). Explain how you
know if there is an increase or decrease in its value.
20m
(1)
(f)
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