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The wings of tiger beetles (the figure below) are colored by interference due to thin cuticle-like layers. In addition, these layers are arranged in patches that are 50 ?m across and produce different colors. The color you see is a pointillistic mixture of thin-film interference colors that varies with perspective. Approximately what viewing distance from a wing puts you at the limit of resolving the different colored patches according to Rayleigh's criterion? Use 500 nm as the wavelength of light and 4.0 mm as the diameter of your pupil.
element 118 was reportedly synthesized in 1999 but the claim was later retracted. as a consequence of that experiment
A 46-N lithograph is supported by two wires. One wire makes a 27° angle with the vertical and the other makes a 12° angle with the vertical. Find the tension in each wire
A golf ball is hit at ground level. The ball is observed to reach its maximum height above ground level 3.8 s after being hit, How high is the fence
Show that the Planck radiation law and the Raleigh-Jeans law become identical if the size of the quantum E=hv is allowed to vanish or if the temperature becomes very high.
assume that you are a Haitian taptap driverand want a more comfortable ride. You decide to replace the springswith new springs that can handle the typical heavy load on yourvehicle. What spring constant do you want your new spring system to have.
A charge of -3.65 nC and a charge of -6.70 nC are divorced by a distance of 70.0 cm. Find the position at which a third charge of +7.30 nC can be placed so that the net electrostatic force on it is zero.
If the activation energy for the vacancy formation is given as 0.77 eV for aluminium at (650 degrees Celcius) ^3, what would be the number of vacancies at 650 degrees Celsius? The atomic weight and the density of aluminium is 26.98 g/mol and 2.62 ..
A shotputter throws the shot with an initial spped of 15.5m/sat 34.0degree angle to the horizontal. Calculate the horizontal distance travelled by the shot
A plane accelerates from rest at a constant rate of 5.00 along a runway that is 1800 long. What is the time needed to take off
A series RLC circuit has a peak current of 1.0 A with a frequency of 54 kHz. If the resistance of the circuit is 51 k??, determine the average power of the circuit
A ball of mass 522 g starts at rest and slides down a frictionless track. It leaves the track horizontally, striking the ground a distance x = 0.91 m from the end of the track after falling a vertical distance h2 (bottom of ramp)= 1.03 m from the ..
three forces are applied to a bracket as shown. the directions of the two 30 n forces may vary but the angle between
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