Physics, 08.10.2019 05:20 daigle18383
The starship enterprise is caught in a time warp and spock is forced to use the primitive techniques of the 20th century to determine the specific heat capacity of an unknown mineral. the 128-g sample was heated to 96.2°c and placed into a calorimeter containing 77.2 g of water at 20.0°c. the heat capacity of the calorimeter was 13.9 j/k. the final temperature in the calorimeter was 23.3°c. what is the specific heat capacity (in j/g°c) of the mineral? enter to 4 decimal places.
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Physics, 21.06.2019 20:00
Afixed electric space heater wired by a cable with an ampacity of 30 a should draw a maximum current of a. 30 a. b. 24 a. c. 15 a. d. 27 a.
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Physics, 22.06.2019 10:10
In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?
Answers: 1
Physics, 22.06.2019 13:30
Select the three ways that the parallel-plate capacitor differs from a car battery.
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Physics, 22.06.2019 16:30
Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.
Answers: 1
The starship enterprise is caught in a time warp and spock is forced to use the primitive techniques...
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