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What is the total translational kinetic energy of the gas molecules of 0.450 mol of air at atmospheric pressure that occupies a volume of 2.90 L (0.00290 m3)?
A perscription for a corrective lens calls for +1.5 D. The lensmaker grinds the lens from a "blank" with n=1.55, What should be the radius of curvature of the other surface
An object of mass 48.0 g is initially placed in boiling water so that it is at 105° C. Then the object is dropped into a calorimeter, Find the specific heat of the object
Glenn starts his day by walking around a circular track with radius 48 m for 15 minutes. what is his angular position with respect to where he starts
An object of mass 0.40 kg, hanging from a spring with a spring constant of 8.0 N/m, What is the magnitude of the acceleration of the object
A bottle made of ordinary glass has an internal volume of 1.0000 liter at 20.0 oC, At what temperature ( inoC, enter deg in the answer box) will water begin to overflow the bottle
What is the average kinetic energy of an ideal gas.
Four gram-moles of an ideal monatomic gas initially at temperature 300 K is compressed adiabatically from a volume of 1200 cm3 to a volume of 350 cm3. How much heat was transferred to the gas
A rotating cylinder about 25 km long and 9 km in diameter is designed to be used as a space colony. with what angular speed must it rotate so that residents on it would experience the same acceleration due to gravity as on earth? In radians per se..
Suppose the second distance d were traveled in the opposite direction; you forgot something and had to return home at the same constant speed as found in part (a). What is the average velocity for this trip.
Light of wavelength 595.00 nm is incident normally on a diffraction grating, How many slits/mm are marked on the grating
A 1.2 kg ball drops vertically onto a floor, hitting with a speed of 20 m s-1. It rebounds with a speed of 10 m s-1. What impulse acts on the ball during the contact
A 1500kg car moving at 40Km/hr is brought to a sudden stop. If all the car's kinetic energy is dissipated in heating its four 5.0kg steel brake disks, by how much do the disk temperatures increase? The specific heat of steel is c=0.120cal/gdegree Cel..
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