agelafa

On site since: 2018-11-13 11:01:44

Age: 31 years

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Asked questions: 6

Gave answers: 18

Point: 103

Best answer: 0

Questions

question

Engineering, 14.09.2019 03:10

During an office party, an office worker claims that a can of cold beer on his table warmed up to 20oc by picking up energy from the surrounding air,...

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Engineering, 14.09.2019 03:10

Jane smith, an old-fashioned engineering student, believes that the boiling of water is best suited for use as the reference point on temperature scal...

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Engineering, 14.09.2019 03:10

Consider a nuclear power plant that produces 1200 mw of power and has a conversion efficiency of 34 percent (that is, for each unit of fuel energy use...

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Engineering, 14.09.2019 03:10

Afootball player can sprint 40 meters in 4 sec. he has constant acceleration until he reaches his top speed at 10 meters and has constant speed after...

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Engineering, 14.09.2019 03:10

Athree-point bend test is performed on a block of silicon carbide that is 10 cm long, 1.5 cm wide, and 0.6 cm thick and is resting on two supports 7.5...

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Engineering, 14.09.2019 03:10

Acarnot heat engine receives heat at 900 k and rejects the waste heat to the environment at 300 k. the entire work output of the heat engine is used t...

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Engineering, 14.09.2019 03:10

The absolute pressure in water at a depth of 9 m is read to be 185 kpa. determine: a. the local atmospheric pressure b. the absolute pressure at a de...

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Engineering, 14.09.2019 03:10

Consider two closed systems a and b. system a contains 300 kj of thermal energy at 20c, whereas system b contains 200kj of thermal energy at 50oc. now...

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Engineering, 14.09.2019 03:10

The constant-pressure specific heat of air at 25c is 1.005 kj/kgoc. express this value in btu/lbmo f....

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Physics, 14.09.2019 03:10

Calculate the net charge on a substance con- sisting of a combination of 9.0 x 10^13 protons and 4.1 x 10^13 electrons. the elemental charge is 1.6 x...

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Physics, 14.09.2019 03:10

What is the relationship between the slope of the position graph of an object and its velocity?...

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Physics, 14.09.2019 03:10

Draw, as best you can, what a velocity graph would look like as a function of time if the acceleration of the object is negative....

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Engineering, 14.09.2019 03:10

Alarge chamber contains air at 80 psia and 600 r at zero velocity. the air enters a converging- diverging nozzle which has an area ratio (exit/throat)...

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Engineering, 14.09.2019 03:10

R134a flows through a horizontal, 0.5-m-inner-diameter tube as part of a commercial refrigeration system. the refrigerant enters with a quality of 0.2...

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Physics, 14.09.2019 03:10

In a vacuum, two particles have charges of q1 and q2, where q1 = +3.3c. they are separated by a distance of 0.24 m, and particle 1 experiences an attr...

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Physics, 14.09.2019 03:10

When an inductor is connected to a 60.0 hz source it has an inductive reactance of 59.2 ω. determine the maximum current in the inductor (in a) if it...

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Mathematics, 14.09.2019 03:10

Write the set in interval notation. {x | x ≤ 10}...

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Physics, 14.09.2019 03:10

Aquantity of 30.1 cm^3 of water at 22.4°c is placed in a freezer compartment and allowed to freeze to solid ice at -7.2°c. how many joules of energy m...

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Physics, 14.09.2019 03:10

How many nanoseconds does it take light to travel a distance of 3.80 km in vacuum? express your answer numerically in nanoseconds....

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Physics, 14.09.2019 03:10

Astudent is running at her top speed of 5.3 m/s to catch a bus, which is stopped at the bus stop. when the student is still a distance 40.7 m from the...