What is the a-component of the force on the particle at x = 25 cm? Express your answer with the appropriate units. A system in which only one particle can move has the potential energy shown in (Figure 1). Suppose U = 16 J.5 HA F, = Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Figure 1 of 1 Part D What is the -component of the force on the particle at x = 35 cm? U (J) U, Express your answer with the appropriate units. HA F. = Value Units Previous Answers Request Answer x (cm) 40 Submit 10 30 X Incorrect; Try Again; 5 attempts remaining 20

What is the a-component of the force on the particle at x = 25 cm? Express your answer with the appropriate units. A system in which only one particle can move has the potential energy shown in (Figure 1). Suppose U = 16 J.5 HA F, = Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Figure 1 of 1 Part D What is the -component of the force on the particle at x = 35 cm? U (J) U, Express your answer with the appropriate units. HA F. = Value Units Previous Answers Request Answer x (cm) 40 Submit 10 30 X Incorrect; Try Again; 5 attempts remaining 20

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter26: Electric Potential

Section: Chapter Questions

Problem 2PQ: Review Return to Chapter 8 and the potential energy associated with both gravity near the surface of...

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As shown in Figure CQ33.6, a person pulls a vacuum cleaner at speed v across a horizontal floor, exerting on it a force of magnitude F directed upward at an angle with the horizontal. (a) At what rate is the person doing work on the cleaner? (b) State as completely as you can the analogy between power in this situation and in an electric circuit.
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Review Return to Chapter 8 and the potential energy associated with both gravity near the surface of the Earth and universal gravity. a. What does the term reference configuration mean in the context of gravity? b. Suppose a system consists of an apple and the Earth, with the reference configuration set so that the systems gravitational potential energy is zero when the apple is on your desk. If the apple is above the desk, is the potential energy positive, negative, or zero? c. What is the conventional reference configuration for universal gravity? Why is that a convenient reference configuration? If a system consists of an apple and the Earth, does the systems gravitational potential energy increase, decrease, or stay the same as you raise the apple upward?
Please answer both the questions. Consider the velocity field, V = (x² + y² − 4)i + (xy — y)j, where x and y are in m and V is in m/s. What is the magnitude of the y-component of the acceleration, ay in m/s², at point (2,1) in the velocity field? Consider the velocity field, V = (x − 2y)i — (2x + y)j. What is the value of the velocity potential function at the point (2,3)?
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