Numerade

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Jake Rempel

Numerade educator

A steel rod is 3.442 cm in diameter at 25.00°C. A brass ring has an interior diameter of 3.434 cm at 25.00°C. At what common temperature will the ring just slide onto the rod? The linear expansion coefficient of steel is 11.00 × 10?? 1/C°. The linear expansion coefficient of brass is 19.00 × 10?? 1/C°.

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Sam Stansfield

Numerade educator

Evaluate the integral: $int frac{12}{x^{2} sqrt{x^{2}+16}} d x$ (A) Which trig substitution is correct for this integral? $x=4 an ( heta)$ $x=12 sec ( heta)$ $x=4 sin ( heta)$ $x=16 sin ( heta)$ $x=16 sec ( heta)$ $x=16 an ( heta)$ (B) Which integral do you obtain after substituting for $x$ and simplifying? Note: to enter $ heta$, type the word theta. $int$ [ ] $d heta$ (C) What is the value of the above integral in terms of $ heta$ ? [ ] $+C$ (D) What is the value of the original integral in terms of $x$ ? [ ] $+C$

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Eduard Sanchez

Numerade educator

At 23°C, a brass cube has an edge length of 25 cm. What is the increase in the cube's surface area when it is heated from 23°C to 75°C? The linear expansion coefficient of brass is 19 × 10?? /°C.

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Luke Humphrey

Numerade educator

At 17°C, a brass cube has an edge length of 32 cm. What is the increase in the cube's surface area when it is heated from 17°C to 72°C? The linear expansion coefficient of brass is 19 × 10?? /°C.

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Donna Densmore

Numerade educator

At what temperature (degrees Fahrenheit) is the Fahrenheit scale reading equal to (a) 6 times that of the Celsius and (b) 1/5 times that of the Celsius? (a) Number Units (b) Number Units

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ANSWERED

(a) What is the temperature-61.0 C on the Fahrenheit Scale? (b) What is the temperature 135 F on the celsius scale?

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AWAITING AN EDUCATOR

Current Attempt in Frogress Your andwer hi partially correct. When the particle reaches its masimum rooondicate, what are (a) its velocily, (b) its poution vector? (a) Number 1 E) Units $ m $ (b) Number I junts eTextbook and Medis Astistance Used eTrextbook Medis 1 Media 2

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Monét T.