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The back wall of a home aquarium is a mirror that is a distance of 33.0 cm away from the front wall. The walls of the tank are negligibly thin. A fish, swimming midway between the front and back walls, is being viewed by a person looking through the front wall. The index of refraction of air isnair = 1.000 and that of water is nwater = 1.333.
(a) Calculate the apparent distance between the fish and the front wall.
(b) Calculate the apparent distance between the image of the fish and the front wall.
Eight identical light bulbs are connected in parallel with a 120-V power source, by two long leads with resistance 1.4 Ohms. 210 mA flow through each bulb, What is the resistance of each bulb
For the polarisers, assume the incident light is linearly polarized, the transmitted intensity (through both polarisers) is 0.15×I0, and the axis of the second polarizer makes an angle θ=41° with the axis of the first polarizer. What is the angle (in..
Find out the radial acceleration of the ball during its circular motion.
A projectile is fired at an angle of 55 degrees above the horizontal with an inital speed of 35.0 m/s. What is the magnitude of the horizontal component of the bullet's
A charge of -3.2 µC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass, which has a radius of 0.099 m. The charges on the circle are -3.95 µC at the position due north and +5.45 µC at the position du..
When switch S in the figure is open, the voltmeter V of the battery reads 3.10V . When the switch is closed, the voltmeter reading drops to 2.96V, Find the emf
Create a visual display for a tennis ball rolling horizontally along a table and as it goes off the table. Sketch and label all forces acting on the ball in as a minimum three different locations of its motion.
An electron enters a region of space containing a uniform 0.0000227-T magnetic field. Its speed is 115 m/s, Find the radius r of the electron\'s path, and the frequency f of the motion
What is an average magnitude of the Pointing vector 5.0miles from a radio transmitter broadcasting isotropically with an average power of 250-kW?
A 40-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, kinetic energy decreases to 240J from 470J. How high does she rise during this interval? Avoid air resistance.
An elastic cord is 65 cm long while a weight of 56 N hangs from it and is 82 cm long while a weight of 84 N hangs from it. What is the spring constant of this elastic cord.
An electron with speed v0 =4.16×106m/s is traveling parallel to and along the same direction as an electric field of magnitude E = 7.90×103N/C, How far will the electron travel before it stops
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