Physics, 15.02.2021 07:10 lilpeepxliltracy
A tv with a power rating 200. W uses 0.80 kwh in one day. For how many hours was the tv on during this day ?
A. 160 hr
B. 0.16 hr
C. 4.0 hr
D. 2.5 hr
Answers: 3
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Gunpowder residue is most likely to show up where on a shooters hands
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1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
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Physics, 22.06.2019 13:30
The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.
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Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.
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A tv with a power rating 200. W uses 0.80 kwh in one day. For how many hours was the tv on during th...
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