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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
When responding to sound, the human eardrum vibrates about itsequilibrium position. What is the maximum acceleration of the eardrum
An engine absorbs 1698 J from a hot reservoir and expels 1205 J to a cold reservoir in each cycle. How much work is done in each cycle
A piece of Nichrome wire has a radius of 5.0 x10-4 m. It is used in a laboratory to make a heater that dissipates 2.00 x10^2 W of power when connected to a voltage source of 120 V. Ignoring the effect of temperature on resistance, estimate the req..
A marathon runner completes a 42.188-km course in 2 h, 25 min, and 33 s. Calculate the percent uncertainty in the distance
The distance to a star is approximately 4.50 x 1018 meter. If this star were to burn out today, in how many years would we see it disappear
A 67-kg skier coasts up a snow-covered hill that makes an angle of 25° with the horizontal. The initial speed of the skier is 6.5 m/s. After coasting 1.9 m up the slope, What is the magnitude of the kinetic frictional force
a boy on a 2.2 kg skateboard initially at rest tosses a 7.5 kg jug of water in the forward direction. find the boy's mass
A 3.00 kilogram object moving in the positive x-direction with a velocity of +5.00 m/s collides with and sticks to a 2.00 kilogram object initially moving in the negative y-direction with a velocity of -3.00 m/s
an object with a mass of 5 kg hangs from a cordstring around a light pulley. the length of cord is 2 meters long that
a system at equilibrium contains i2g at a pressure of 0.36 atm and ig at a pressure of 0.30 atm. the system is then
Differentiate the formula for the energy density per unit frequency of a blackbody to find the value of hu at which the energy density reaches a maximum. (This will be a function of temperature and is a form of Wien’s Law. You can find the constant b..
A motorist suddenly notices a stalled car and slams on the brakes, decelerating at the rate of 6.3 m/s2, How much time elapsed from the initial braking to the collision
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