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A 100 incandescent light bulb has a cylindrical tungsten filament 33.0 long, 0.430 in diameter, and with an emissivity of 0.200.
A. What is the temperature of the filament?
B. For what wavelength does the spectral emittance of the bulb peak?
A sled of mass m is being pulled by a constant horizontal force of magnitude F. The coefficient of kinetic friction is Uk. find the power average created by force
The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration of -5.20 m/s2 for 4.05 s, making straight skid marks 61.0 m long, all the way to the tree. With what speed does the car then s..
The masses of the earth and moon are 5.98 × 1024 and 7.35 × 1022 kg, respectively. Identical amounts of charge are placed on each body, such that the net force (gravitational plus electrical) on each is zero. What is the magnitude of the charge place..
A 0.35 kg cart traveling at 0.6 m/s to the right collides with a stationary 0.55 kg cart. After the collision the second cart (.55kg) is traveling to the right at 0.32 m/s, What is the speed and direction of the first(.35kg) cart
Suppose a block of mass M is sliding down an inclined plane which makes an angle t with the horizontal. What is the work done by friction as the block travels a distance d along the plane
at a given instatn in time, a traveling EM wave is noted to have its maximum magnetic field pointing west, what are the maximum values for the two fields
A tennis player receives a shot with the ball (0.0600 kg) traveling horizontally at 56.0 m/s and returns the shot with the ball traveling horizontally at 42.0 m/s, What work does the racket do on the ball
What is the terminal speed for an 84.00 skier going down a 38.0 degree snow-covered slope on wooden skis = 0.06? Assume the skier is 1.70 m tall and 0.500 m wide.
A uniform disk turns at 4.3 around a frictionless spindle. A nonrotating rod, of the same mass as the disk and length equal to the disk's diameter, is dropped onto the freely spinning disk.
A diver pushes off horizontally from the top of a vertical cliff that is 40.0 m high from water surface below. How long is the diver in the air
You are flying to Chicago for a weekend away from the books. In your last physics class, you learned that the airflow over the wings of the plane creates a lift force, estimate the banking angle of the plane relative to the horizontal
During a snowball fight, two snowballs travelling towards each other collide head-on. The first is moving east at a speed of 15.3 m/s and has a mass of 0.450 kg, What is the mass of the second snowball
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