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A thin film of alcohol (n = 1.36) lies on a flat glass plate (n = 1.51). When monochromatic light, whose wavelength can be changed, is incident normally, the reflected light is a minimum for wavelength = 512 nm and a maximum for wavelength = 640 nm. What is the minimum thickness of the film?
A Step-Up transformer with 60 Hz AC power has an input voltage of 1000 V at a current of 2 Amperes, What is the current flowing out of the transformer
Two circuits contain an emf produced by a moving metal rod, like that shown. The speed of the rod is the same in each circuit, other than the bulb in circuit 1 has one-half the resistance of the bulb in circuit 2.
A person is riding a bicycle, and its wheels have an angular velocity of 12.1 rad/s. What is the anguar acceleration (in rad/s2) of each wheel
A wheel initially rotating at an angular speed of 2.4 rad/s turns through 30 revolutions during the time, How long did the acceleration last
You decide to move your desk so your back is not facing the door. As you begin to move your desk, What is the coefficient of friction between the desk and the floor
A parallel plate capacitor with 4.0 mm plate spacing has circular plates and holds a charge of +/- 6 uC on each plate when it is charged to a potential of 100 V. What is the radius of the plates
Find out the maximum distance d (along the ladder) that the monkey can climb up the ladder before rope breaks.
A fun-loving 11.4 {rm kg} otter slides up a hill and then back down to the same place. If she starts up at 5.75 {rm m/s} and returns at 3.75 {rm m/s}, how much mechanical energy did she lose on the hill.
I hold a flat mirror 24.6 cm in front of my face. There is a freckle on my face 1 mm in diameter. Find the angular size of the freckle on the image of my face as viewed by my eye
In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 530nm, What is the work function of this material
fired horizontally at a speed of 550, goes completely through the block, emerging at a speed of 180 . Illustrate what is the speed of the block immediately after the bullet exits?
What is an acceleration of two falling sky divers (mass 100.0 kg including parachute) when the upward force of air resistance is equivalent to one-fourth of their weight. How fast would the father be moving.
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