Secure l https//session.masteringphysics.com/myct/itemview?assignment ProblemlD

Question

Secure l https//session.masteringphysics.com/myct/itemview?assignment ProblemlD 73628959 Physics 2350 Winter 2017 Item 1 Item 1 Part A Super Invar", an alloy of iron and nickel, is a strong material How much will this alloy table expand along its length if the temperature increases 50 C with a very low coefficient of thermal expansion (o 20x 10 Express your answer to two significant figures and include the appropriate units. C A 1.5-m-long tabletop made of this alloy is used for sensitive laser measurements where extremely high tolerances are required. A Value Units Submit My Answers Part B How much will a 1 5mlong table made of steel expand along ts length the temperature increases 50 c Express your answer to two significant figures and include the appropriate units. Value

Explanation / Answer

Part A

The increase in length of the table is given by

delta l = alpha*L*delta T = 0.20x10^-6*1.5*5 = 1.5x10^-6 m.......Ans.

Part B

delta lsteel = 12x10^-6*5*1.5 = 9 x 10^-5 m.........Ans.

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.