Physics, 03.02.2021 01:10 violetmeadow4
One of the moving parts of an engine contains 1.6 kg of aluminum (c = 900 J/(kg . C')) and
0.3 kg of iron (c = 452 J/(kg. C°)) and is designed to operate at 210°C. How much heat is
required to raise its temperature from 20°C to 210°C?
Answers: 2
Physics, 21.06.2019 17:00
The density of a substance is 4.0 g/cm3. if a sample of the substance has a volume of 25 cm3 then what is the mass
Answers: 1
Physics, 22.06.2019 06:40
How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.
Answers: 1
Physics, 22.06.2019 17:30
Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=
Answers: 2
One of the moving parts of an engine contains 1.6 kg of aluminum (c = 900 J/(kg . C')) and
0.3 kg o...
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