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1) The temperature of the surface of the Sun is 5800 K. Using Wein's Law, compute the wavelength of the color of light at which the Sun has its greatest Emissive Power. Describe this color verbally.
2) Use Planck's quantum equation to compute the energy of the "photons" of the light for the color whose wavelength was identified in part one.
3) Compute the energy of photons of light at opposite ends of the visible spectrum:
Deep Red: wavelength 7000 Angstroms
Violet: wavelength 4000 Angstroms
If a charge of ?2.20 ?C is placed at this point, what are the magnitude and direction of the force on it
A block has an initial speed V(o) > 0 on a linear trajectory on the surface with friction coefficient u and air resistance (F = cv^2). Derive an equation that will represent the velocity (V) as a function of the position of the block (x). So V(x).
The flying height for a vertical photograph above the downtown area of a city is 1980 meters. The focal length of the camera lens is 209.55 mm. Compute the tower height
A light plane is headed due south with a speed of 190km/h relative to still air. After 1.00 hour, the pilot notices that they have covered only 137km, What is the wind velocity (magnitude)
A coil of area 0.100 m2 is rotating at 70.0 rev/s with the axis of rotation perpendicular to a 0.200 T magnetic field. If the coil has 700 turns, what is the maximum emf generated in it
A man is dragging a trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0degree, and the man pulls upward with a force of magnitude 385N whose direction makes an angle of 30.0 degree with the ramp.
A revolving door consists of four rectangular glass slabs,with the long end of each attached to a pole that acts as the rotation axis. Find the rotational inertia of the entire door
A 31 g ice cube at its melting point is dropped into an insulated container of liquid nitrogen. How much nitrogen evaporates if it is at its boiling point of 77 K and has a latent heat of vaporization of 200 kJ/kg? Suppose for simplicity that the spe..
A proud deep-sea fisherman hangs a 66.6 kg fish from an ideal spring having negligible mass. The fish stretches the spring0.126m. What is the force constant of the spring? What is the period of the oscillation of the fish if it is pulled down 3.60cm ..
A 7 g bullet has a speed of 270 m/s and embeds itself into a 600 g block. How far does the block slide after the collision before coming to rest
An insulated thermos contains112.0 cm3 of hot coffee at a temperature of 80.0 °C. You put in 11.0 g of ice cube at its melting point to cool the coffee. What is the temperature of the coffee once the ice has melted and the system is in thermal equili..
An unknown material has a normal melting/freezing point of -20.6 °C, and the liquid phase has a specific heat capacity of 143 J/(kg C°). What is the latent heat of fusion of the unknown material
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