Answered: ha ZeroPotential Datum MA mg k

Engineering

Mechanical Engineering

ha ZeroPotential Datum MA mg k

Automotive Technology: A Systems Approach (MindTap Course List)

6th Edition

ISBN:9781133612315

Author:Jack Erjavec, Rob Thompson

Publisher:Jack Erjavec, Rob Thompson

Chapter3: Basic Theories And Math

Section: Chapter Questions

Problem 7RQ: Why are gases and liquids considered fluids?

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Question

The figure shown below is released from rest with the spring unstretched. Use the datum shown for zero gravitational potential energy. For the values given below answer the following questions:
Position 1 is Ha1

μk=0.14

k=32.5 Nm

hA1=0.6 m

mA=4.6 kg

mB=1.3 kg

What is the Gravitational Potential Energy for mass mA at position 1 (remember your signs)?

What is the Gravitational Potential at position 1 for mB?

What is the Potential Energy of the spring at position 1?

What is the Kinetic Energy at position 1 for mA?

What is the Kinetic Energy at position 1 for mB?

Again we have the figure shown below that was released from rest with the spring unstretched. Use the datum shown for zero gravitational potential energy. At position 2 the spring is at its max stretch. Remember we have the values below; answer the following questions:

μk=0.14

k=32.5 Nm

hA1=0.6 m

mA=4.6 kg

mB=1.3 kg

What is the max stretch in the spring?

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