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A commonly used method of fastening one part to another part is called "shrink fitting." A steel rod has a diameter of 2.0020 cm, and a flat plate contains a hole whose diameter is 2.0000 cm. The rod is cooled so that it just fits into the hole. When the rod warms up, the enormous thermal stress exerted by the plate holds the rod securely to the plate. By how many Celsius degrees should the rod be cooled?
Because a concave lens cannot form a real image of a real object, it is difficult to measure its focal length precisely. What is the focal length of the concave lens
An 845-N sled is pulled a distance of 173 m. The task requires 1.20 x 10^4 J of work and is done by pulling on a rope with the force of 142 N. At what angle is the rope held.
A lense with a circular aperture of 1cm in diameter is just barely capable of serperating two objects, What's the wavelength of the light from the two objects
a 4.0 kilogram cart moving to the right and a 6.0 kilogram cart moving to the left on a horizontal frictionless surface. find the magnitude of the total momentum of the two-cart system
You place one end of the pole on a fence post and hold the other end of the pole 35 from its tip. Explain how much force must you exert to keep the pole motionless in a horizontal position?
Estimate the distance of GPS satellite from the ground.
In a vacuum chamber the pressure is lowered to 1.0 x 10-10 mm Hg. how many molecules are in 1 cm3 in this chamber
The length of the mercury column at the ice point and steam point are 5.0 cm and 40.0cm respectively. What is the temperature of the liquid
If the polar coordinates of the point ( x , y ) are ( r , ? ), determine the polar coordinates for the following points
An x-ray photon of wavelength 0.179 nm collides with an electron initially at rest. Calculate the Compton shift in wavelength
2.90 mol of gas is at a temperature of -180 C and fills a 3.90 L container. What is the gas pressure
A dielectric-filled parallel-plate capacitor has plate area of 30cm^2 and plate separation of 5mm. The capacitor is connected to a battery that creates a constant voltage of 10V. The dielectric constant is 3. All through the problem, use epsilon_0..
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