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Suppose the wavelength of light in a Michelson interferometer is 624 nm. How many dark fringes will be found if one mirror is moved a distance of 2.0 mm?
Lasers are used extensively in eye surgery to remove unwanted "material" from the eye or reshape the eye's lens. What is the power during one of these pulses
consider a system of two lenses. The first lens is a converging lens with a focal length f1=21.4 cm. compute is the image real or virtual
A solid, uniform ball rolls without slipping up a hill, How far from the foot of the cliff does the ball land
A racetrack is to have a banked curve with radius 225 m. What should be the angle of the bank if the normal force alone is to allow safe travel around the curve at 56.0 m/s
You are walking around your neighborhood and you see a child on top of a roof of a building kick a soccer ball. How tall is the building that the child is standing on
A barge has vertical sides and a flat bottom of 320 ft^2 area. when partially filled, the barge is immersed in fresh water to a depth of 2 ft. upon removal of the load the barge rises 16.0 in.
Assume the freezer operates for 5 hours each day, how much power does it require while operating
A small rock with mass 0.20 kg is fastened to a mass less string by length 0.90 m to form a pendulum. The pendulum is swinging so as to create a maximum angle of 45° with the vertical. Air resistance is negligible.
A rocket moves straight upward ,starting from rest with an acceleration of +29.4 m/s2. it runs out of fuel at the end of 10.00 seconds, find the maximum height the reaches
A diffraction grating 1.5 mm wide produces the 5th order at 45 degrees with light of wavelength 650 nm on a screen 80 mm away. Suppose a transparent rectangular case of water is placed 60 mm to the right of the diffraction grating. What is the angle ..
A railroad flatcar of weight 7840 N can roll without friction along a straight horizontal track. What is the change in velocity of the car
A college student produces about 127 kcal of heat per hour onthe average. What is the rate of energy production inwatts? How many kilocalories of heat does the operation of a 1195 Whair dryer produce each second?
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