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Friction of rough surfaces
Place two pieces of sandpaper together. Notice the friction that is formed when one is rubbed against the other. Now put some grease among the pieces of sandpaper. The friction is much decreased because the grease fills up the irregularities on the surface of the sandpaper. Applying grease to the moving parts of a machine acts in a same way
Q. What does the MeV in MeV photon mean? Answer:- The MeV denotes million electron volts. It's a calculation of the energy the energy in the photon which is a quantum (or
Q. An electron beam is accelerated through a potential difference of 104 volt. Find the de Broglie wavelength. λ = 12.27 A o / √V λ = 12.27 A o / √10 4 = 0.1227
Describe an actual situation that would give rise to the free body diagram
For the arrangement shown in Figure find (a) the equivalent capacitance of the circuit, (b) the voltage across QR, and (c) the charge on each capacitor
what is inertial
when the body is uniform motion
Electrical equipment in an office takes a current of 13A from a 240V supply. Estimate the cost per week of electricity if the equipment is used for 30 hours every week and 1kW
Will an object spinning in zero gravity in vacuum continue spinning until an external force stops it?
please explain projectile motion
how to write a paper when it is based on matlab program
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