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The refraction of perpendicularly incident white light by a soap film in air has an interface maximum at 600nm and a minimum at 450nm, with no minimum in between. If n=1.33 for the film, what is the film thickness, assumed uniform?
Two identical point charges (q = +9.20 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.660 m. Determine the speed of the test charge when it reaches the center of the square
a biophysicist grabs the ends of a dna strand with optical tweezers and stretches it 27um . how much energy is stored
Suppose the ball is thrown from the same height as in the above problem at an angle of 36.0°below the horizontal. find the speed and angle of the velocity vector with respect to the horizontal at impact
A parallel-plate capacitor consists of plates of area 1.5 x10^-4 m2 and separated by 1.0 mm. What is the charge on the plates
question an electron is accelerated through 2.45103v from rest and then enters a uniform 2.80-t magnetic field.a what
A copper rod has a length of 1.3 m and a cross-sectional area of4.7 x 10-4 m2. What is the mass of ice per second that melts
A small, 300 {rm g} cart is moving at 1.30 {rm m/s} on an air track when it collides with a larger, 3.00 {rm kg} cart at rest. After the collision, the small cart recoils at 0.890 {rm m/s}.
A horizontal wire of length 0.13 m, carrying a current of 2.8 A, isplaced in a uniform external magnetic field. When the wire ishorizontal, it experiences no magnetic force. When the wire istilted upward at an angle of 23°, it experiences a magnet..
A 564 Hz sound wave travels through a substance. What is the speed of sound in the substance
Household wiring composed of aluminum wire with cross-section area 3.1 x10?6 m2 carries a current of 2.5 A. At what speed are the electrons traveling in this power line
Blood flows through a vein at a rate of 3.5 mL/s. Among other things, it contains a protein with a molecular weight of 63,000, at a concentration of 2.9 g per 150 mL. How many grams of this protein are carried by the blood each second?
An aluminum cup of mass 210 g contains 800 g of water in thermal equilibrium at 80.0°C. find At what rate is energy being removed by heat
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