Social Studies, 13.10.2019 08:00, zackarygonzalez1028

Room temperature is 77°f. which temperature is the equivalent temperature

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Physics, 19.08.2019 07:30, hannaboo53

Suppose that at room temperature, a certain aluminum bar is 1. m long. the bar gets longer when its temperature is raised. the length l of the bar obeys the following relation: l=1.+2.4×10−5t, where t is the number of degrees celsius above room temperature. what is the change of the bar's length if the temperature is raised to 11.3 ∘c above room temperature? express your answer in meters to two significant figures.

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Mathematics, 25.08.2019 01:20, aruhter2843

Problem 1: conditions for an experimental chemistry reaction require a temperature of 298 k. the temperature in the lab is 55°f. which of the following must you do to meet the requirements? (°f= 9/5 (k - 273) + 32) a. increase the room temperature by 22°f b. decrease the room temperature by 12°c c. decrease the room temperature by 33°f d. increase the room temperature by 18 k 2. jim, jane, ann, and bill measure an object’s length, density, mass, and volume, respectively. which student’s measurement might be in liters? a. bill’s b. jim’s c. jane’s d. ann’s

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Physics, 27.09.2019 04:00, tyliahhayes

Aroast turkey is taken from an oven when its temperature has reached 185°f and is placed on a table in a room where the temperature is 75°f. the graph shows how the temperature of the turkey decreases and eventually approaches room temperature. by measuring the slope of the tangent, estimate the rate of change of the temperature after an hour.

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Physics, 16.10.2019 04:20, binu

Newtons law of cooling states that if an object with temperature t(t) at time t is in a medium with temperature tm the rate of change of t at time t is proportional to t(t) − tm, thus t satisfies a differential equation of the form t 0 = −k(t − tm) here k > 0, since the temperature of the object must decrease if t > tm, or increase if t < tm. well call k the temperature decay constant of the medium. (a) a thermometer is moved from a room where the temperature is 70f to a freezer where the tem- perature is 12f . after 30 seconds the thermometer reads 40f. what does it read after 2 minutes? (b) an object is placed in a room where the temperature is 20c. the temperature of the object drops by 5c in 4 minutes and by 7c in 8 minutes. what was the temperature of the object when it was initially placed in the room?

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