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A plano-convex glass lens of radius of curvature 3 m rests on an optically flat glass plate. The arrangement is illuminated from above with monochromatic light of 518-nm wavelength. The indexes of refraction of the lens and plate are 1.6. Determine the radii of the first and second bright fringes in the reflected light.
A hardworking ant must supply 0.00805 N to pull a small piece of fruit at constant velocity over a distance of 9.60 cm up a small hill to the entrance of the colony. calculate the work done by the ant by pulling the piece of fruit up the hill
A thin 1.1 millimeter coating of glycerin has been located between two microscope slides of width 1 centimeter and length 4 centimeter. Determine the force required to pull one of the microscope
Two window washer works on a plank of mass 15 kg suspended by ropes that are tied to each end. The plank is a uniform piece of wood 4.0 meters wide. Person A has a mass of 75 kg and stands 0.5 m from the left side of the plank. Person B has a mass of..
A flywheel having constant angular acceleration requires 4.60 to rotate through 170 . Its angular velocity at the end of this time is 104. Find the angular velocity at the beginning of the 4.60 interval; the angular acceleration of the flywheel.
A particle with a charge of -60.0 nC is placed at the center of anon conducting spherical shell of inner radius 20.0 cm and outer radius 27.0 cm. The spherical shell carries charge by a uniform density of -2.95 µC/m3. A proton moves in acicular orbit..
Two 52 g ice cubes are dropped into 230 g of water in a thermally insulated container. If the water is initially at 27°C, and the ice comes directly from a freezer at -21°C, what is the final temperature at thermal equilibrium
Consider two unknown point charges, Q1( on the left) and Q2 are separated by a distance, o.981m. Find the ratio Q2/Q1 in both magnitude and sign
Electrons can be “boiled off” of a wire by heating the wire to sufficiently high temperature (typically well over 1000? C). Typically the electrons leave the wire with a fairly low speed which can be approximated as zero
An aluminum wing on a passenger jet is 40 m long when its temperature is 22°C. At what temperature would the wing be 7 cm (0.07 m) shorter
A 2.0 kg breadbox on a frictionless incline of angle ? = 33° is connected, by a cord that runs over a pulley, to a light spring of spring constant k = 120 N/m, as shown in the figure below. The box is released from rest when the spring is unstrect..
A 200-turn retangular coil with an area of 20.0 cm x 30.0 cm is mounted on a rotating frame, What is the maximum emf in the coil
Which could potentially reason you the greater injury; being tackled by a light-weight, fast-moving football player, or being tackled by a player with double the mass however moving at half the speed?
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