College Physics
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Publisher: Cengage Learning
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An 80-cm-long, 1.0-mm-diameter steel guitar string must be tightened to a tension of 2.0 × 103 N by turning the tuning screws. By how much is the string stretched, in mm? The Young's modulus for steel is 20 × 1010 N/m2.
Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
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- A 3.30 m -tall, 40.0 cm -diameter concrete column supports a 5.00×10^5 kg load. By how much is the column compressed? Express your answer with the appropriate units. solve correctly. I will rate accordingly.arrow_forwardAssume that if the shear stress in steel exceeds about 4.00 x 108 N/m², the steel ruptures. (a) Determine the shearing force necessary to shear a steel bolt 1.40 cm in diameter. IN (b) Determine the shearing force necessary to punch a 1.25-cm-diameter hole in a steel plate 0.550 cm thick. Narrow_forwardA 2.00-m-long, 1.00-mm-diameter wire is suspended from the ceiling. Hanging a 4.50 kg mass from the wire stretches the wire’s length by 1.00 mm. Use g = 10.0 m/s2. What is the stress in this wire, ____ ×107 N/m2? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.arrow_forward
- A 2.7-m-long, 1.0-mm-diameter steel string is pulled by a 3.9 × 103 N tension force. By how much is the string stretched, in mm? The Young's modulus for steel is 20 × 1010 N/m2. Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.arrow_forward0.7 cm A disk between vertebrae in the spine is subjected to a shearing force of 633 N. Find its shear deformation taking it to have the shear modulus of 1.00 x 109. The disk is equivalent to a solid high and 5.0 cm in diameter. N m² S i 2 E Ax = μηarrow_forwardA 2m long, 1mm diameter wire is suspended from the ceiling. Hanging a 4.5kg mass from the wire streches the wire's length by 1mm. What is the Young's modulus for this wire? I just need teh answer please.arrow_forward
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