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(A) How much thermal power is radiated by a light bulb when its filament is heated to 200k? Assume that the filament is a blackbody of area 1.0 cm2. Ignore the temperature of the surroundings.
(B) At what wavelength is the radiation peaked?
(C) What is the frequency associated with the wavelength you calculated in Part B?
A rectangular coil with dimensions of 8.0 cm×10 cm is dropped from a zero magnetic field position to a 1.4 T magnetic field in 0.10 s. What is induced emf in the coil as a result of this
A cylinder with moment of inertia 18.8 kg m2 rotates with angular velocity 7.85 rad/s on a frictionless vertical axle. Show that energy is lost in this situation by calculating the ratio of the final to the initial kinetic energy
A particle moves horizontally in uniform circular motion, over a horizontal xy plane. What are the coordinates of the center of the circular path
a very long, straight solenoid witha cross-sectional area of 6.25cm^2 is would with 44 turns of wire per centimeter, What is the average inducted emf in the secondary coil
A parallel-plate capacitor is constructed with circular plates of radius 5.5×10?2m . The plates are separated by 0.23mm, Find the value of the dielectric constant, ?.
What are the wavelength ranges for the following? (a) the AM radio band (540-1600 kHz) m (maximum wavelength) m (minimum wavelength) (b) the the FM radio band (88-108 MHz) m (maximum wavelength) m (minimum wavelength)
A projectile is red from level ground at an angle of 30 degree above the horizon. It hits the ground at t = 4 s. What is the magnitude of the initial velocity, v?
You have a lens whose focal length is 12.7 cm. You place an object on the axis of the lens at a distance of 6.25 cm from it. How far is the object\'s image from the lens
A uniform ladder of mass m and length l leans at an angle θ against a frictionless wall, determine a formula for the minimum angle at which the ladder will not slip
What is electric field in the wire
A space freighter has a total mass of 1.00*10^6 kg. The captain wants to travel to a destination 1.00 light years away in 12 years, Approximately how much mass must be converted energy
An earth satellite moves in a circular orbit with an orbital speed of 6100. Find the radial acceleration of the satellite in its orbit
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