Answered: -R 750 mm = B 750 mm

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter3: Two-dimensional Kinematics

Section: Chapter Questions

Problem 22PE: A farmer wants to fence off his four-sided plot of flat land. He measures the first three sides,...

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This is a Dynamics of Rigid Bodies subject.

The figure below shows a 5-kg slider which is released at A and slides along a smooth circular
rod until it reaches point B. The stiffness of the spring, K = 400 N/m and has an un-stretched length
of 750 mm.

a. What is the gravitational potential energy of the slider at B? (Note : Reference datum is at A)
b. What is the change in elastic potential energy of the spring? (Tip : ⧍PE = PE2 - PE1 )
c. What is the velocity of the slider at B? ( Tip : Conservative forces)

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