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Unit Vectors
A unit vector is a vector of unit length. A easy animation of unit vectors and vector addition. A unit vector is a vector of length 1, sometimes also called a direction vector. The unit vector having the same direction as a given (nonzero) vector
Cannon of mass 5m (having a shell of mass m) is at rest on a smooth horizontal ground fires the shell with its barrel at an angle A with the horizontal at a velocity u relative to
Q. Show the condition for dispersion without deviation? Q. A thin convex length of focal length 0.1m and a thin concave lens of focal length 0.1m are placed coaxially on contact
Q. Write down two important facts of Laue experiment on X-ray diffraction. The Laue experiment has established subsequent two important facts (1) X-rays are electromagnetic
Write the symbol sad truth table of an AND gate define how this gate is realised in practice by using two diodes.
The weightless truss shown below supports loads at point A & B and is fastened to the supports at C & E. The value of F1 in kN is given in P13 and the value of F2 in kN is given i
Earth is losoing heat in order balance the input outpout . But where is going that heat since there is nothing out to get it. Billions of stars are loosing heat the same way and so
Please help I am stuck on this physics problem. Please cany anyone explain to me how to do it step by step please? If the speed of a car is increased by 135%, by what factor will
At 200.0 K, silicon has 3.79 x 10 -18 free electrons per atom. How many free electrons/cm 3 are there in silicon at this temperature?
What you mean by term quantum mechanics? The term “quantum” came from the Latin word that implies "how great" or "how much" that is quantity. In quantum mechanics, that refers
Find the speed of the wave A copper wire, whose cross-sectional area is 1.1 x 10 -6 m 2 has a linear density of 7.0 x 10 -3 kg/m and is sturng between two walls. At the ambient
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