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In 1.0s, 5.0x10^23 nitrogen molecules strike an area of8.0cm^2 at a speed of 300m/s. What is the pressure? (mass of one nitrogen molecule = 4.68x10^-26 kg.) I believe I should use 1/2mv ^2 for the solution but the answer I keep getting is nowhere near correct. Can someone help with this?
Define the physical significance of damping coefficient and how can we caluclate it? What is its unit
Q. A compound microscope consists of an objective lens of focal length 2.0cm and an eye piece of focal length 6.25cm separated by a distance of 15cm.How far from the objective sho
Electric current may be expressed in which one of the following units? a) coulombs/volt b) joules/coulomb c) coulombs/second d)
An atom has the electronic configuration of .1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 5 . Its atomic weight is 80. Its atomic number and the number of neutrons in its nucleus
A river is flowing 4.0 m/s to the east. A boater on the south shore plans to reach a dock on the north shore 30.0° downriver by heading directly across the river. a. What shoul
What is the acceleration due to gravity and does the number ever change on earth
Two long wires 'P' and 'Q', carrying equivalent currents of 5 Ampere and the distance among the wire is 5 cm. Determine the force applied on each wire if a. Current flowing in
explain about population of impurity levels
Define Hole in Wall (Princeton)? A container is separated into two parts I and II by a partition with a small hole of diameter d Helium gas in the two parts is held at temper
tiger woods can hit a golf ball with 55n of force how hard does the ball hit back on the club
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