Physics

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The amount of energy converted to light by an incandescent light bulb is about A) 10 and the ... Started by chandani	1 Replies 90 Views	Jul 29, 2018 by cadimas
When a gas is changed to a liquid, the gas A) releases energy. B) absorbs energy. C) both of ... Started by CQXA	1 Replies 157 Views	Jul 29, 2018 by aloop
When a solid melts, energy is A) absorbed by the solid. B) released by the solid. C) both of ... Started by Mr.Thesaxman	3 Replies 204 Views	Jul 29, 2018 by izzat
When moth balls sublime to gas they A) absorb energy. B) release energy. C) both of these D) ... Started by maychende	1 Replies 80 Views	Jul 29, 2018 by robbielu01
A refrigerator A) produces cold. B) causes internal energy to disappear. C) transfers internal ... Started by audie	1 Replies 114 Views	Jul 29, 2018 by jjorrostieta
When condensation occurs inside your bedroom window, the air outside is appreciably A) colder. ... Started by newbem	1 Replies 80 Views	Jul 29, 2018 by dyrone
During snow fall, the surrounding air is A) cooled. B) warmed. C) both of these D) neither of ... Started by lracut11	3 Replies 156 Views	Jul 29, 2018 by 6ana001
In a heat pump, cooling is accomplished when A) condensation occurs in its coils. B) ... Started by bio_gurl	1 Replies 63 Views	Jul 29, 2018 by laurnthompson
Ice is put in a cooler to cool the contents. To speed up the cooling process, the ice can be A) ... Started by neverstopbelieb	1 Replies 64 Views	Jul 29, 2018 by snackralk
In a heat pump, warming is accomplished when A) condensation occurs in its coils. B) ... Started by leo leo	1 Replies 69 Views	Jul 29, 2018 by Natalie4ever
To melt 50 grams of 0-degree-Celsius ice requires A) 25 calories. B) 50 calories. C) 80 ... Started by mia	3 Replies 106 Views	Jul 29, 2018 by amandalm
Which will melt more ice when placed on its surface, a kilogram of wood or a kilogram of iron of the ... Started by awywial	1 Replies 86 Views	Jul 29, 2018 by mjbamaung
The most disorderly arrangement of energy within matter is also A) the least probable state of ... Started by RODY.ELKHALIL	1 Replies 43 Views	Jul 29, 2018 by mmj22343
Systems alone tend to move toward A) order. B) disorder. C) temperature inversions. D) none of ... Started by tsand2	1 Replies 92 Views	Jul 29, 2018 by T4T
If a child swinging to and fro on a playground swing stands up, her time for a to-and-fro swing is ... Started by B	3 Replies 189 Views	Jul 29, 2018 by cloud
Which of these is affected by mass? A) a freely-falling object B) an object sliding down a ... Started by jessicacav	1 Replies 140 Views	Jul 29, 2018 by kalskdjl1212
Entropy is a measure of A) messiness. B) disorder. C) both of the above D) none of the ... Started by Jramos095	1 Replies 62 Views	Jul 29, 2018 by kmb352
Entropy is most closely related to the A) first law of thermodynamics. B) second law of ... Started by dalyningkenk	1 Replies 71 Views	Jul 29, 2018 by DHRUVSHAH
Systems alone tend to move toward a state of A) less entropy. B) more entropy. C) no entropy. ... Started by sc00by25	3 Replies 226 Views	Jul 29, 2018 by jessofishing
If you leave the refrigerator door open in a closed room, the room temperature will A) increase. ... Started by jake	1 Replies 149 Views	Jul 29, 2018 by Joc
Which of these units of temperature is larger? A) a Celsius degree B) a Kelvin C) both are the ... Started by tth	1 Replies 153 Views	Jul 29, 2018 by tofugiraffe
Internal energy in thermodynamics is the same as A) temperature. B) thermal energy. C) heat. ... Started by dalyningkenk	1 Replies 138 Views	Jul 29, 2018 by heinisk01
An equal amount of 0C air that is twice as hot has a temperature of A) 0C. B) 64C. C) 100C. D) ... Started by kfurse	3 Replies 77 Views	Jul 29, 2018 by bigcheese9
If a cup of tea at room temperature, 24C is heated until it has twice the internal energy, unlike a ... Started by cool	1 Replies 82 Views	Jul 29, 2018 by Ksanderson1296
The air pressure in a container of air at 27C will double when heated to A) 54 degrees C. B) 300 ... Started by khang	1 Replies 100 Views	Jul 29, 2018 by ilianabrrr