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Physical Science E4b

E 4 - math

QuestionAnswer
Determine the equivalent of 0 F on (a) the Celsius scale (b) the Kelvin scale (a) -17.8 C (b) 255.2 K
Express the following temperatures in F (a) -40.0 C (b) 218 K (c) 6000 C (d) 360 C (a) -40.0 F (b) -67 F (c) 10,832 F (d) 680 F
How much heat is required to raise the temperature of 10.0 kg of aluminum by 80.0 C? 1.72 x 10^5 cal or 172 kcal
A kg of copper gains 1 kcal of heat. By how many degrees is the temperature of the copper changed? 10.6 C
In hydrogen, the simplest atom, the electron and the proton (nucleus) are separated by 0.530 angstrom unit. If the charge on each is 1.60 x 10^-19 coulomb (- for the electrons, + for the proton), what is the force between them? -8.20 x 10^-8 N attraction
Sketch the electric field pattern between two point charges of opposite sign separated by a small distance. sketch:
What is the current through a 60.0-watt lamp that operates at 120 volts? 0.500 amp
Three incandescent lamps with resistances of 220, 440, 660 ohms are connected in parallel across a 110-volt line. (a) What is their combined resistance? (b) What total current is drawn by the three lamps? (c) How much current does each lamp draw? (a) 120 ohms (b) 0.917 a (c) 0.500 a, 0.250 a, 0.167 a
What quantity of charge passes through the wire filament in a light bulb in 30.0 minutes if the current is 0.500 ampere? 900 coulombs
An electron is moved from one terminal of an accelerator to another. The two terminals are separated by a potential difference of 3.00 million volts. How much work is expended? 4.80 x 10^-13 J
Created by: niinimoshe
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