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The drag on a 30-ft long, vertical, 1.25-ft diameter pole subjected to a 30 mph air wind is to be determined with a model study. It is expected that the drag is a function of the pole length and diameter, the fluid density and viscosity. Laboratory model tests were performed in a high-speed water tunnel using a model pole having a length of 2 ft and a diameter of 1 in. Some model drag data are shown in the figure. Based on these data, predict the drag on the full-sized pole.
Light with a wavelength of 454.5 nm passes by two slits that are 95.2 cm from a screen. The distance among the centers of the central band and the first-order band is 15.2 mm.
Define about the set-up of Helium-Neon Laser. The laser radiations along with higher coherence, higher directionality and higher monochromacity can be obtained from this. But,
define like and unlike parallel forces
Why rotation of rigid bodies through finite angles not a vector? Ans) Because it does not obey one of the laws of vector algebra(law of commutativity).
Demonstrate resonance and forced vibrations Consider four simple pendulums P,Q,R and S suspended from horizontal stretched rubber card AB. Let the lengths of pendulums p and R
discuss about entropy of ideal gas
Determine the volume of bodily fluid A 60.0 kg runner expends 330 W of power while running a marathon (Fig. P11.28). Assuming that9.00% of the energy is delivered to the muscle
calculating the distance in effective handle.
Vector Addition The Order Does NOT Matter The question frequent arises as to the significance of the order in that the vectors are added. For example, if five vectors are added
Who first theoretically predicted the existence of the positron, a positively charged electron? He received the Nobel Prize in Physics in 1933. Ans: (Paul Adrien M
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