Derive the Stefan Boltzmann constant o when total energy-density is given by и u(v)dv

Q: A heart beats 264 beats in 3 minutes. What is the unit rate?

A: Unit rate = Total number of heartbeatTotal time

Q: Let R=A+B₁ where A = 18.2, 0 = 52.7 degrees, B = 24.4,0 = 243 degrees. You find R = A B Normal…

A: Write A in vector form.

Q: Here are 4 deviation scores from a normal distribution: -4, -1, 0, +5 Which deviation score…

A: Step 1:4 deviation scores from a normal distribution: -4, -1, 0, +5 Step 2:The deviation scores from…

Q: Your response differs from the correct answer by more than 10%. Double check your calculations. m…

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Q: Consider a resistor of resistivity 4.08 x 105Q•m, length 12.95 m, and unknown cross-sectional area.…

A: Given that  Resistivity(ρ)=4.08×10-5 Ω.m Length(l)=12.95 m Current density(J)=36.7 Am2

Q: A ceramic cube 4.1 cm on each side radiates heat at 510 W. Assume e = 1. Part A At what wavelength,…

A: side of ceramics cube = 4.1 cm = 0.041 mpower ,P=510 W and  e=1

Q: What is Faraday's Law? How does Lenz's Law relate to Faraday's Law? S.

A: Required :: A. Faraday's law B. How does Lenz's law relate to the Faraday's law.

Q: (I) (a) "Room temperature" is often taken to be 68°F. What is this on the Celsius scale? (b) The…

A: To Find :  convert 68°F in Celsius  convert 1900°C into Fahrenheit

Q: 2. The internal energy of the phonons is given by 9Nh cVm U = V V³dv hv 1 еxp exp KT - Show that the…

A:

Q: A 68 kg woman cycles at a constant 15 km/h All of the metabolic energy that does not go to forward…

A: Given  weight of the woman = 68 kgs Velocity of the woman = 15 km/h To find out  How many kilograms…

Q: Why did you use 1/2 in the equation?

A: we need to find the torque on stick  torque=force X perpendicular distance

Q: how did you get the initial equation for v?

A:

Q: Two currents are positioned as shown in the figure, where the directions of the currents are…

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Q: A truck driver with a full 18 wheeler of cargo needs to cross a bridge. What two base quantaties…

A: The base quantities need to measured are length of bridge and time taken to cross the bridge.

Q: An object has a mass of 4.70g. Calculate the density of the object whose volume is 2.55 L.

A:

Q: . If an electric circuit could be compared to a water ircuit at a water park, then the current would…

A: 1) current : charge per unit time is called current current = i =qt

Q: A long, hollow, cylindrical conductor (inner radius 2.8 mm, outer radius 6.2 mm) carries a current…

A: