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A thin film of oil (n = 1.22) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, the film reflects most powerfully red light at 640 nm and reflects no light at 512 nm. What is the minimum thickness of the oil film?
During a particular thunderstorm, the electric potentialdifference between a cloud and the ground is Vcloud -Vground = 1.3 x 108 V, What is the change in an electron's potential energy
The vibration of an o2 molecule has a wavenumber of 1580.4 cm^-1 Calculate the energy (in joules) of the first excited state?
The pilot of an aircraft wishes to fly due west in a 33.10 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 190 km/h what must its speed relative to the ground be.
A 0.5kg block is attached to a spring with spring constant 18 N/m. As the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 34cm/s.
Suppose that you are traveling on board a spacecraft that is moving with respect to the earth at a speed of 0.970c. compute your breathing rate
Write two complete paragraphs about how the sky has changed since early feb. Tell me what constellations are new, how things are rotating, AND what constellations are not able to be viewed anymore since early feb. Be specific.
A spring that has a force constant of 1000 N/m is mounted vertically on the ground. By what distance does the spring compress
at what rate is the passenger train approaching the freight train.
A rectangular loop of wire that is 36 cm wide and 25 cm long lies in the x-y plane in a region where the magnetic field is B = 1.1 T and directed at an angle of 63° with the z axis
suppose you were on the moon instead of on the earth. Assuming your average reaction time is the same, how far would the yardstick fall
A 15kg crate is moved along a horizontal floor by pulling on it with a rope that makes a 30 degree angle with the horizontal, How much work is done by the normal force and frictional force, What is the net work
how long will it take a protein of molecular weight equal to 90000 gmole to diffuse a distance of 1 mum?assume that the
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