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When a beam of white light is incident (vertically) on a thin oil slick (n = 1.25) floating on water, the only enhanced (bright, constructively interfering) colors in the reflected beam are red (wavelength = 675 nm in air) and violet (at 450 nm). What is the thickness of the oil slick?
A tennis player receives a shot with the ball of mass 0.060kg travelling horizontally at v=43 m/s and returns the shot with the ball travelling horizontally at 60.00 m/s in the opposite direction.
What is the frequency of sound put out by the engine of a car moving at 90km/hr if its four-cylinder engine makes 2000 revolutions per kilometer
A3.50kg object is attached to a spring and placed on a horizontal, smooth surface. A horizontal force of24.0N is required to hold the object at rest when it is pulled 0.200 m from its equilibrium position.
A truck initially going 10m/s slams on the breaks. If the coefficient between the truck's tires and road is %u03BC=0.4, what is the minimum stopping distance of the truck
How much would it cost just to keep the hot water inside the heater for one week? d)Suppose that you wrap the hot water heater on all sides with a 10 cm thick blanket of fiberglass insulation which has a thermal conductivity of 0.04 W/(m K).
A gardener is using a tool as shown in the figure to pull weeds. You will notice that the tool is designed with a built in pivot point about which the torques are applied
Three successive resonance frequencies of an air column are 75, 125, and 175 Hz, What is the fundamental (lowest) frequency
A world class sprinter accelerates to his maximum speed in 3.80 s. He then maintains this speed for the remainder of a 100 m race, finishing with a total time of 10.30 s. What is the runner's average acceleration throughout the first 3.80 s.
A storage tank at STP contains 18.5kg of butane gas, C4H10, Determine the number of moles of butane gas
A 1,699-kg satellite orbits the Earth in a circular orbit with a period of 6,016 s. How high above the Earth's surface is the satellite's orbit
A 10 g bullet traveling at 440m/s strikes a 7.0kg , 1.2-m-wide door at the edge opposite the hinge. What is the angular velocity of the door just after impact
in the cathode ray tube in an old television set, electrons are accelerated from rest with a constant acceleration of magnitude 7.31*10^13 m/s2 during the first 2.77cm of tube's length; find the speed of the electron when they hit the screen
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