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The weins displacement law tells us that when an object is heated to incandesence it will If the nail seems to give off a maximum of light in the 630 nm region, determine the temp of the nail in degrees c.
If you now place a pencil under the edge of the mirror nearer the wall, tilting it upward by 5.0, how much higher on the wall is the spot?
A 3700-lb automobile (m = 1600 kg) starts from rest on a level road and gains a speed of 45 mi/h (= 72 km/h) in 33 s. What is the average net power delivered to the car during the 33-s interval
Suppose you were performing the same experiment on this crate but were doing it on the moon instead, where the acceleration due to gravity is 1.62 m/s squared. What magnitude push would cause it to move? What will be its acceleration if you maintaine..
The nonconservative wind and lift forces take the balloon up, doing +9.70 104 J of work on the balloon in the process. Illustrate at what height above the surface of the earth does the balloon have a speed of 8.90 m/s?
What is the wavelength of the waves emitted by source? What is the difference in frequency between the directly radiated waves and the waves reflected from a whale traveling straight toward the ship at 4.95 ? Assume that the ship is at rest in the..
A 20.0 gram bullet is shot horizontally into a 2.00 kg block and quickly becomes imbedded in the block. How much energy is dissipated in the block during the impact
what is the magnitude of one of the masses.Vertically polarized light passes through two polarizers, the first at 62rm {^circ} to the vertical and the second at 90 rm {^circ} to the vertical.What fraction of light gets through.
A tile is dropped at a height of 12 Meters. The tile has a mass of 2.5kg. Calculate the final speed of the tile
A space vehicle is traveling at 3570 km/h relative to Earth when the exhausted rocket motor is disengaged, What is the speed (in km/h) of the command module relative to Earth just after the separation
A cylinder which is in a horizontal position contains an unknown noble gas at 5.26 Ã- 104 Pa and is sealed with a massless piston. calculate the change in internal energy of the system
If there had been no explosion, the shell would have landed a distance from the mortar. Suppose that air resistance and the mass of the shell's explosive charge are negligible. Determine the distance from the mortar at which the larger piece of th..
A 58 ice cube can slide without friction up and down a 28 slope. The ice cube is pressed against a spring at the bottom of the slope, When the ice cube is released
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