Steel railroad tracks are laid when the temperature is 5.0 °C. A standard section of rail is then 12.0 m long. The gap should be left between rail sections so that there is no compression when the temperature gets as high as 42 °C is ____________ cm.

Q: The radius of a circle is measured to be 0.545 ± .005 m. Calculate the area of the circle with its…

A: Write the expression for the area of the circle and substitute the required values.

Q: A typical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 9.000…

A: (a) Total Volume  V = 4/3*pi*r^3 = 4/3*pi*(12 um) ^3 = 7238.23 um^3

Q: What is its length?

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Q: Cube A is 2 inches on a side. Cube B is 8 inches on a side. Determine the following: 1. The volume…

A: 1. volume of cube:we know that,volume=side3VA=23=8 in3VB=83=521 in3

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A: 1 ft = 12 in. 1 cal = 4.184 J

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Q: Find the order of magnitude of the following physical quantities. Enter your answer in the form: 10x…

A: We need to find the order of magnitude of the given quanitities.

Q: A typical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 9.000…

A: Given:-  A typical human cell has an approximate in diameter of d= 12.00 μm The thickness of the…

Q: Q2/ A thermostat control with dial markings from 0 to 100 is used to regulate the temperature of an…

A: Given that,The dial markings of a thermostat control which regulate the temperature of an oil bath=…

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A: Given: number of sheet obtained is 226 ruler with 24.0mm   Note: the question is not complete.…

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Q: Suppose that a person eats a diet of 2392 Calories per day.  Convert this energy into…

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A: Given: A thermometer having mark for each degree. Someone write the number corresponding to…

Q: One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in…

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Q: After carrying out some calculations (based on experimental data) your calculator shows that the…

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Q: UPS ships a lot of boxes. There are different ways to measure how big is a box. For the following…

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A: Given that:- Speed of light=2.998×10^8m/s

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Q: For the remaining questions, you need to use Figure 1.4 to obtain the necessary orders of magnitude…

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Q: 1. From I šēčônd to 2 seconds, fast is the object traveling. (Take the difference in distance and…

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Q: An Olympic-size swimming pool is 50 m long, 25 m wide, and 2 m deep. In terms of volume, this pool,…

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