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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?
what is radiation
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Q. Illustrate what does hull speed mean? Answer:- Hull speed- It is the theoretical limit of a sail craft's speed. It is able to be approximated by the following formula
Working of a galbanometer?
what is semi conductor
For germanium the forbidden gap is (A) 0.15ev. (B) 0.25ev. (C) 0.5ev. (D) 0.7ev. Ans: For germanium the forbidden gap is 0.7ev.
A water skier lets go of the tow rope upon leaving the end oaf jump ramp at a speed of 14.0 m/s. The skier has a speed of 13.0m/s at the highest point of the jump. Ignoring air res
Eddy current loss is proportional to the (A) Frequency. (B) Square of the frequency. (C) Cube of the frequency. (D) Square-root of the frequency.
The waves which do not needs medium for their propagation are known as non- mechanical or electromagnetic waves. Examples : Light, heat (Infrared), radio waves, gamma- rays, X-r
conservation laws A law that states that, in a closed system, the whole quantity of something will not enhance or reduce, but exactly remain the same; i.e., its rate of altera
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