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A total of 39 bright and 39 dark Newton's rings (not counting the dark spot at the center) are observed when 570 nm light falls normally on a planoconvex lens resting on a flat glass surface. How much thicker is the center than the edges?
Two wooden crates rest on top of one another. The smaller top crate has a mass of m1 = 16.0 kg and the larger bottom crate has a mass of m2 = 90.0 kg. find the frictional force the lower crate exerts on the upper crate
A tuning fork with a frequency of 320.0Hz and a tuning fork ofunknown frequency produce beats with a frequency of 4.5Hz. What is the frequency of the other tuning fork
a point charge q is located a distance rgtr from the center of a nongrounded conducting spherical shell with radius r
Two water samples are in well-insulated cups. The mass of onesample is 0.0610 kg and its temperature is 11.0o C. Theother sample has a mass of 0.0360 kg and its temperature is79.0o C.
A frictionless pulley has the shape of a uniform solid disk of mass 2.80kg and radius 10 cm. What percent of the total kinetic energy does the pulley have
A ray of light has an angle of incidence of 34.0 ° on a block of quartz and an angle ofrefraction of 17.5°. What is the index of refraction for this block of quartz?
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. What is the tire pressure in pascals
A piece of a wire, with the cross-sectional area of 0.5176 mm2 and 2.50 m long, has the resistance 1.28×10-1 ohms. What is the resistivity of the material of the wire
A 10.00 kg grocery is pushed 12.0 m along an aisle by a shopper who exerts a constant horizontal force of 40.0 N. a.) What work is done on the cart? b.)If all frictional forces are neglected, and the cart starts form rest, what is the grocery cart..
A 4.3 kg mass with an initial velocity of v1 =aˆi, where a = 2.94 m/s collides with and sticks to a 3.05 kg mass with an initial velocity of v1 = bˆj, where b = ?4.8 m/s
A wheeled cart with a mass of 0.50 kg is rolling along a horizontal track at a constant velocity of 2.0 m/s, What is the maximum compression of the spring
An object is oscilliating on a spring with a period of 4.60 s . At time t= 0.00 s the object has zero speed and is at x = 8.30 cm
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