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Two narrow slits are illuminated by a laser with a wavelength of 537 nm. The interference pattern on a screen located x = 5.50 m away shows that the second-order bright fringe is located y = 6.00 cm away from the central bright fringe. Calculate the distance between the two slits? The screen is now moved 0.7 m further away. What is the new distance between the central and the second-order bright fringe?
A body of mass 6 kg is acted upon by a force which causes a displacement in it given by x = t2/4 metre where t is the time in seconds
A heat engine operating between 40oC and 380oC has an efficiency 60% of that of a Carnot engine operating between the same temperatures. at what rate does it exhaust heat
A photon energy 500KeV undergoes Compton scattering from the proton that is initially at rest. (a) what is the recoil Kinetic energy of the proton in eV?
A flat sheet of ice (n = 1.309) has a thickness of 2.2 cm. It is on top of a flat sheet of crystalline quartz (n = 1.544) that has a thickness of 1.6 cm. how far (in cm) would it have traveled in a vacuum
A car manufacturer claims that you can drive their new vehicle across a hill with a 47 slope before the vehicle starts to tip. how high is its center of gravity
A 1.83 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.442 and the coefficient of kinetic friction is 0.240. How much force is needed to begin moving the book
An iron anchor of density 7870 kg/m^3 appears 200 N lighter in water than in air. What is the volume of the anchor
What radius must a water drop have for the difference between the inside and outside pressure to be 2.08 X 10^-2 atm? The surface tension of water is 72.8 dynes/cm
A steel ball bearing 7.00mm in diameter is dropped into a cylinder of glycerin. What is the terminal velocity of the ball bearing
What temperature change would cause a 0.10 percent increase in the volume of a quantity of water that was initially at 20 degrees celsius.
An golf ball sits on the optical axis of a spherical mirror at a distance of 17 cm. A virtual image is formed a distance of 6 cm away from the mirror. What is the mirror's focal length (include sign if negative)
Identical point charges of +3.6 ?C are fixed to diagonally opposite corners of a square. Find the sign and magnitude of the third charge
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