Arrange three models in lineup
In a group lineup of 7 models in a commercial, 3 are male and 4 are female. In how many manners can you arrange three models in lineup if the first and the third should be a male but the second one should be a female?
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Methane gas is expanded adiabatically and reversibly from a volume of 1.43L, at a temperature of 25C and a pressure of 3 bars, until the volume is 2.86L. The heat capacity Cp of methane can be taken to be 35.31JK-1mol-1.
In a double slit experiment having two slits of width 1.0 micro meters spaced 4 micro meters apart, assume that a beam of protons is incident on the slits after being accelerated from rest via a potential difference of 2500 V. Determine the wavel
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A 1 ns laser pulse from a neodymium-YAG laser, at 532 nm, consists of 5 J. i) Determine the energy and momentum of each photon.
A pipe of water of varying diameter is 1 cm in internal diameter at point A, where the speed of the water is viewed to be 4.0 m/s. At point B, the internal diameter is 4 cm. Determine at what speed is the water flowing at point B?
Determine the radius of curvature for this lens if you are looking at an object a distance of 56.5 mm from your eye's lens. (All incident light rays should still strike the light-receptive cells at the similar distance as before)
Where mean number of defective prodcuts produced in factory in one day is 4. Find probability that in the given day there are any defective products ?
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