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Find the de Broglie wavelength of an oxygen molecule of average kinetic energy in air at a temperature of 226.0 K. (The mass of one mole of oxygen is 0.0320 kg.)
A bug crawls outward from the center of a compact disc spinning at 160 revolutions per minute. The coefficient of static friction between bug's sticky feet and disc surface is 1.10.How far does the bug get from the center before slipping.
A beam of parallel light, 1.50 mm in diameter passes through a lens with a focal length of 13.7 cm. What is the distance between the two lenses
A laser beam is incident at an angle of 36.0° to the vertical onto a solution of corn syrup in water. What is its frequencyin the solution
A small steel ball with a mass of 80 g is releasesd from a resting height of 1.25 m above a ridgid metal plate. What is the velocity of ball before impact.
A rocket moves upward from rest with an acceleration of 29.4 m/s2 for 4 seconds. It then runs out of fuel and continues to move upward. Neglecting any air resistance, how high will it rise?
A refrigerator has a 1000 W compressor, but the compressor runs only 20% of the time, If electricity costs $0.10/kWh, what is the monthly (30 day) cost of running the refrigerator
A Hollywood daredevil plans to jump the canyon shown in the figure on a motorcycle. What is his predicted landing velocity
What is specific gravity of this other fluid
three charges q1 1.98 10-9 c q2 -3.15 10-9 c and q3 1.06 10-9 c are located on the x-axis at x1 0 x2 10.0 cm and
Estimate the pressure increase required to impart
In a Rutherford scattering experiment, each atom in a thin foil can be considered a "target" with a circular cross section. What is the radius of the nucleus
Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber, what is the area (in m2) of the leaf
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