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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?
The radioactive isotope D decays according to the sequence If the mass number and atomic number of D2 are 176 and 71 respectively, what is (i) the mass number (ii) atomic
In a certain binary-star system, each star has the same mass which is 9.4 times of that of the Sun, and they revolve about their center of mass. The distance between them is the 3.
An 82-kg receiver, moving 0.75 m/s north, is tackled by a 110.0-kg defensive lineman moving 0.15 m/s east. The football players hit the ground together. Measure their final v
De?ne reduction potential and oxidation potential. Reduction potential of a metal is the measure of tendency of a metallic electrode to gain electrons when it is in contact wit
Truck has a 100 kW engine power and 40 % efficiency . As oil burn in an hour if q = 4.4 to force multiplication 10 to 7 ?
It is an instrument which can detect/calculate very small electric currents. It is also called as moving magnet galvanometer. It has of three circular coils of insulated copper wir
describe young''s double slits experiments for interference of light ?
A small sports car collides head on with a massive truck. a. Which vehicle will experience the maximum magnitude force: the car, the truck, or neither? Explain. Neither, they
What do you mean by an optical fiber? State its principle. Can we minimize chromatic and spherical aberrations simultaneously? If so, how?
what is meant by physics? and also explain the branches of physics.
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