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A copper pot with mass 0.500 kg contains 0.170 kg of water ata temperature of 20.0ºC. A 0.250-kg block of iron at85.0ºC is dropped into the pot. Find the final temperature, assuming no heat loss to the surroundings
Examples of like and unlike parallel forces?
conclution about friction is a necessary evil
Depending upon the penetration power, there are two parts of X-rays Hard X-rays More penetration power More frequency of the order of ≈ 1019 Hz Lesser wavelength range
Uniform motion When a body falls by a fluid, the pull of gravity is soon balanced by the frictional forces set up, and it continues to move at a constant velocity. If this is t
A glass sphere of radius 15 cm has a small air bubble at a distance of 6 cm from its centre. When viewed normally along its diameter from the nearest side, the bubble seems to be 7
What is radioactivity? Radioactivity: The process of spontaneous disintegration of the nuclei of heavy elements with the emission of certain radiations is known as natural ra
The mass of an atom is constituted mainly by: (1) Neutron and neutrino (2) Neutron and electron (3) Neutron and proton (4) Proton and electr
1 Farad: One farad is described as the capacity of that capacitor which keeps a charge of 1 coulumb, if the potential difference among the plates is one volt. It's equation
In expressions of the conventional graphical representation of an electric field which of the following conceptual statements best represents what is meant by the electric flux thr
Are optical fiber fraglle? Glass fibers are very brittle, actually in any glass light guide there is a percentage of fibers broken throughout the manufacturing process, conver
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