Some Canadian troops are sent (as part of a U. N. peacekeeping force) to a country located on the Earth's equator. At night, when homesickness makes them gaze sleeplessly at the stars, which of the following will be familiar to them (the same at the equator as in Canada):A) the celestial poles are on the north and south points of the horizonB) the celestial equator is overhead and passes through the zenithC) all stars rise and set (no star remains in the sky all night long)D) all stars are above the horizon exactly half a dayE) none of the above are the same on the equator as in Canada
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Physics, 21.06.2019 17:20
Your 249 ml cup of coffee is too hot to drink when served at 82 degree celsius. what is the mass of an ice cube taken from a -21 degree celsius freezer, that will cool your coffee to a pleasant 54 degree celsius. specific heat of the water is 4190 j/kg c, specific heat of ice is 2090 j/kg c, heat of fusion of ice is 3.33 x 10^5 j/kg
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The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f
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6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.
Answers: 3
Some Canadian troops are sent (as part of a U. N. peacekeeping force) to a country located on the Ea...
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