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The sun can be considered an ideal blackbody radiator at a temperature of 5900K.
(a) What is the peak wavelength of the distribution?
(b) What is the energy in Joules of a peak blackbody photon at this wavelength?
(c) Is this photon in the visible band of the electromagnetic spectrum (show why)?
(d) A newly discovered star in the Bug Nebula is the hottest star in the galaxy, 35 times hotter than the temperature of the sun.
(e) What is the peak wavelength, and frequency of this blackbody distribution?
Recently we were padding on a boat in a sea. Surprisingly we saw gleaming points in water during padding. Would you explain about this.
Coulomb's Law describes the force between two charged objects, What is the magnitude and direction of the electrical force on object 2 due to Object 1
What is the safe operating voltage for a 100 Ohm, 1/10W resistor, How much power is dissipated at half the maximum voltage
the speed at which the ball left the quarterback's hand.
We are not normally aware of the gravitational or electric force between two ordinary objects. What is the reason in each case? Give an example where we are aware of each one and why.
A 20kg suitcase is being pulled with constant speed by a handle that is at an angle of 22degrees above the horizontal. what is the force F applied to the handle
A hot-air balloon is travelling upwards with a constant speed of 12 m/s. An object fell from the balloon when it was at the height of 1000 m
Two equally charged particles, held 3.4 × 10-3 m apart, are released from rest, what are the mass of the second particle and, the magnitude of the charge of each particle
A snowmobile climbs a hill at velocity v-up. The slope of the hill is a 2 ft rise for every 70 ft of distance. The resistive force of the snow is equal to 4.12 percent of the weight of the snowmobile. How fast will the snowmobile move downhill, assum..
Illustrate what is the average power of the elevator motor during this period? How does this amount of power compare with its power during an upright trip with constant speed?
A cylindrical storage tank has a radius of 1.20 m. When filled to a height of 4.05 m, What is the density of the solvent
A standing observer perceives a train whistle to have a frequency of 300 Hz. compute the frequency of the sound waves emitted from the train
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