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The Trans-Alaskan pipeline is 1300 km long, reaching from Prudhoe Bay to the port of Valdez, and is subject to temperatures ranging from -73°C to +35°C. How much does the steel (average coefficent of linear expansion 11 x 10-6 (°C)-1) pipeline expand due to the difference in temperature?
Two parallel metal rods form a plane inclined at 20.0° to the horizontal. The upper end of the rods are connected together by a resistor of 102.0 ?. What is the maximum speed of the bar
Take element Z = 21 from the periodic table. Ionize it 20 times so that there is only one electron left orbiting around the nucleus. What is the ground state energy of the electron
A bungee cord is stretched between two poles with a force of 447 N, What is the velocity of a wave on this bungee cord
A pot containing 1.06 liter of water, initially at 22°C, is placed on a 1091 W electric heating element. How much heat is necessary to boil all the water away
A plastic bucket with negligible mass and specific heat holds 2 kg of water at temperature 20c. Find the entropy change of the ice as it cools and freezes into ice
Think about a communications satellite in geosynchronous orbit. It sits approximately 35,786 kilo meter above the Earth's equator.
As a particle moves from the origin to (1i + 7j) m, it is acted upon by a force given by (2i + 6j) N. Calculate the work done by this force on the particle
Radio astronomers detect electromagnetic radiation at 46.0MHz from an interstellar gas cloud. What is the magnetic field strength inside the gas cloud
The velocity v of waves on a vibrating string depends on the tension T in the string and the mass per unit length λ of the string. Derive an expression for v by using the dimensional analysis method
A proton with a kinetic energy of 3GeV is travelling in the synchrotron. Assume the synchlotron can be considered as a set of dipole magnets with a uniform magnetic field B arranged in a circular orbit (radius r = 100m).
A laser beam is traveling through an unknown substance. When it encounters a boundary with air, the angle of reflection is 23.0° and the angle of refraction is 40.0°. What is the speed of light in the substance
In a diffraction grating experiment, light of 600 nm wavelength produces a first-ordered maximum 0.35 mm from the central maximum on a distant screen. What is the wavelength of the light from the second source
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