Question List for "Physics"

Pages: 1 ... 47 48 [49] 50 51 ... 115
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Physics » A certain battery charger uses 12 W of power. At 6.0 cents per kilowatt-hour, how much does it cost ... New
Started by beccaep
 104 Jul 29, 2018
Physics » An object weighs 7.84 N when it is in air and 6.86 N when it is immersed in water of density 1000 ... New
Started by tatyanajohnson
 43 Jul 29, 2018
Physics » Two ideal Carnot heat engines have the same efficiency. One operates between 5.0 102 K and 3.0 102 ... New
Started by ishan
 56 Jul 29, 2018
Physics » Three small masses are positioned as follows: 2.0 kg at (0.0 m, 0.0 m), 2.0 kg at (2.0 m, 0.0 m), ... New
Started by sheilaspns
 51 Jul 29, 2018
Physics » A 3.0-kg and a 5.0-kg box rest side-by-side on a smooth, level floor. A horizontal force of 32 N is ... New
Started by ishan
 31 Jul 29, 2018
Physics » In an electric furnace used for refining steel, the temperature is monitored by measuring the ... New
Started by appyboo
 46 Jul 29, 2018
Physics » If the intensity level by 15 identical engines in a garage is 100 dB, what is the intensity level ... New
Started by audie
 84 Jul 29, 2018
Physics » A solid object floats in water with three-fourths of its volume beneath the surface. What is the ... New
Started by OSWALD
 28 Jul 29, 2018
Physics » An ideal Carnot air conditioner operates between an indoor temperature of 20C and an outdoor ... New
Started by kamilo84
 53 Jul 29, 2018
Physics » During each cycle, the compressor in a certain ideal Carnot refrigerator performs 480 J of work to ... New
Started by jazziefee
 188 Jul 29, 2018
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