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QTest #5-solutions

# QTest #5-solutions - Version 016/AABAA – QTest#5 –...

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Unformatted text preview: Version 016/AABAA – QTest #5 – Antoniewicz – (56445) 1 This print-out should have 3 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points b L b b Mg Two identical springs are lengthwise con- nected, hanging from the ceiling. The mass of the springs are negligible. Consider the situation when there is a mass M attached to the end the spring system and the system is stretched by a length b. Choose correct statements below Ia. The stiffness of one spring is 4 M g b Ib. The stiffness of one spring is 2 M g b IIa. The amount of stretch in one spring is b 2 IIb. The amount of stretch in one spring is b IIIa. The amount of force along one spring is M g 2 IIIb. The amount of force along one spring is M g. 1. Ia, IIa, IIIa 2. Ib, IIb, IIIa 3. Ia, IIb, IIIa 4. Ib, IIa, IIIb correct 5. Ia, IIb, IIIb 6. Ia, IIa, IIIb 7. Ib, IIb, IIIb 8. Ib, IIa, IIIa Explanation: The stiffness of the 2-spring system for the present setup is by definition...
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QTest #5-solutions - Version 016/AABAA – QTest#5 –...

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