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A thin spherical shell of mass 0.450 kg and diameter 0.210 m is filled with alcohol ( = 806kg/m3). It is then released from rest on the bottom of apool of water. Find the acceleration of the alcohol filled shell asit rises toward the surface of the water.
m/s2
A michelson interferometer is used with a helium-neon laser of wavelength 628.8 nm. A glass-walled chamber of interior length 1.005 cm is placed in one of the beams and the position of the mirror is adjusted until bright light is observed at the dete..
A telescope has an objective with a refractive power of 1.00 diopters and an eyepiece with a refractive power of 300 diopters
A chocolate bar (40grams) has 210 Calories. Approximately how long would the 100 watt light bulb shine if we convert all the chocolate's energy into electricity (100% efficiently)? (Remember 1Cal = 1000 cal = 4200 joules)
How far up the incline will the skier move if the coefficient of kinetic friction between the skies and snow is 0.101
Which is more important in producing a counting signal - the collection of electrons at the anode or the less rapid increase in the diameter of the positive ion sheath?
The maximum electric field 8.3 m from a point light source is2.3 V/m. What is the power of the source
The truck is parked on the platform of a weight scale. Explain by how much does the scale reading exceed the weight of the truck and sand?
176.12 J of energy are transferred to a system in the form of heat while the internal energy decreases by 30.69 J. How much work is done by the system
An arrow is placed 28.7 cm in front of a convex lens (f=15.0 cm). The convex lens is followed by a concave lens (f= 21.5 cm) 12.8 cm fro the convex lens. obtain the magnification of the image
A particle moving at a speed of 0.92c is observed to have a mass of m=1682 MeV/c^2. Determine the rest mass Mo of the particle in kg
An early method of measuring the speed of light makes use of a rotating slotted wheel. A beam of light passes through one of the slots at the outside edge of the wheel travels to a distance mirror, and returns to the wheel just in time to pass thr..
A soccer ball is kicked with an initial horizontal velocity of 19.0 m/s and an initial vertical velocity of 13.0 m/s. How far from where it was kicked will the ball land
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