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6. [0/2 Points] DETAILS PREVIOUS ANSWERS OSCOLPHYS2016 13.2.WA.010. MY NOTES ASK YOUR TEAC (a) Suppose a meter stick mad
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- 6 0 2 Points Details Previous Answers Oscolphys2016 13 2 Wa 010 My Notes Ask Your Teac A Suppose A Meter Stick Mad 1 (63 KiB) Viewed 52 times
6. [0/2 Points] DETAILS PREVIOUS ANSWERS OSCOLPHYS2016 13.2.WA.010. MY NOTES ASK YOUR TEAC (a) Suppose a meter stick made of steel and one made of invar are the same length at 0°C. What is their difference in length at 45.0°C? The coefficient of thermal expansion is 12 X 10-6/°C for steel and 0.9 x 10-6/°C for invar. 5.04e-4 X What is AL for each material if the original length is the same for both meter sticks? mm (b) Repeat the calculation for two 38.0-m-long surveyor's tapes. 1.88e-2 X Note that the original length is now different from that in part (a). mm Additional Materials Reading