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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?
Explain the thermal detectors method of detection of ultrasonic waves. Thermal detectors method: It is the most generally used method of detection of ultrasonic waves. In th
What is Slowly Leaking Box? An ideal gas of atoms of number density at an absolute temperature is restricted to a thermally isolated container that has a small hole of area A
nature of inductors
Ohm's law (G. Ohm; 1827): The ratio of the potential difference among the ends of a conductor to the current passing through it is constant; the constant of proportionality is
A charge q of mass m starting from rest is allowed to move between two plates having a potential difference of V volt. Determine the final velocity of it? Repulsion is the sure
Simple steelyard (reading to 100 g) The pan is made from cardboard, and is formed like a funnel. It is fixed to a beam made of a triangular-shaped lamina in ply- wood or 'Persp
what is electric field
Splitting of signals is caused by: (1) Proton (2) Neutron (3) Positron (4) Electron Ans: (1) Proton
A Decibel meter reads 140 dB for a sound source at 20''c at 60 % relative humidity. It also records sound pressure for 140 dB as 200 pascals what will it read( decibel meter) at 4
Voltages relative to earth It is very common in electrical circuits to have an earth connection. This earth connection has no effect on potential differences across components
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