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Two parallel slits are illuminated by light composed of two wavelengths. One wavelength is ?A = 591nm. The other wavelength is ?B and is unknown. On a viewing screen, the light with wavelength ?A = 591nm produces its third-order bright fringe at the same place where the light with wavelength ?B produces its fourth dark fringe. The fringes are counted relative to the central or zeroth-order bright fringe. What is the unknown wavelength?
A double prism is made by joining two thin glass prisms of different refractive index such as crown glass and flint glass, Determine the prism angle of the crown prism
A pinhole camera takes a picture of a building 200 m tall. If the height of the image on the back of the camera is 5 cm tall, how far is the camera from the building
A bullet is fired at an angle of 60o with an initial velocity of 200.0 m/s. Explain how long is the bullet in the air? What is the maximum height reached by the bullet?
A 1.5-m-diameter vat of liquid is 2.3m deep. The pressure at the bottom of the vat is 1.3atm What is the mass of the liquid in the vat
A meteorologist tracks the movement of a thunderstorm with Doppler radar, What is the direction of the average velocity of the storm
An object with mass 4.0kg is executing simple harmonic motion, attached to a spring with spring constant 300N/m, Calculate the amplitude of the motion
Two rocks are thrown off the edge of a cliff that is 15.0 m above the ground. The first rock is thrown upward, at a velocity of +12.0 m/s. determine at what velocity it hits
Two cars start from rest at a red stop light, When the light turns green, both cars accelerate forward, finally catching the blue car just as the blue car comes to a stop, How fast is the blue car going 9 seconds after it starts
A rock of mass m = 2 kg is tied to a string of length L = 1.9 m and is twirled in a vertical circle. The speed v of the rock is constant; that is, it is the same at the top and the bottom of circle.
The magnetic field over a certain range is given by B= Bxi + Byj where Bx= 6T and By= 4T. What is the j component of the force
A 3.57 kg block is drawn at constant speed 4.06 m along a horizontal floor by a rope exerting a 7.68 N force at angle of 15 degree above the horizontal. Work out the coefficient of kinetic friction between block and floor.
Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.
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