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A bar of length l is clamped at x=0 and loaded with a mass mat x=l.(a) apply these boundary conditions to equation x=A e^(wt+kx)+Be^(wt- kx) and thereby determine an equation from which the fundamental frequency of longitudinal vibrations may be computed.(b) Determine the fundamental frequency of such a system composed of a steel bar of0.5-mlength and 0.0001 m2 cross-sectional area to which is fastened a mass of 0.15 kg.(c) When a bar in vibrating in this manner, what position along tghe bar haste maximum longitudinal displacement amplitude?
Figure shows the transfer characteristic for an n-p-n silicon transistor.When the base current is 2.5mA, Verify (a) the value of collector current, (b) the static value of
Which of the following material has the highest melting point (A) Copper. (B) Aluminium. (C) Tungsten. (D) Gold. Ans: Tungsten has the highest melting point.
Transformer cores are laminated with (A) Low carbon steel. (B) Silicon sheet steel. (C) Nickel Alloy steel. (D) Chromium sheet steel. Ans: Transformer co
Fast neutrons can be changed into slow neutrons by certain materials known as moderator's when last moving neutrons pass by a moderator, they combine with the molecules of the mod
What are the demerits of Huygens' eyepiece? The angles of deviations for violet and red colors of a crown prism are 5.23 o and 5.15 o respectively. Determine the dispersive po
According to Reynolds, the critical velocity (vc) of a liquid flowing by a long narrow tube is (a) Directly linked to the coefficient of viscosity of the liquid. (b) Inversel
Q. What is an intrinsic semiconductor? Give any two examples. A) A semiconductor which is pure as well as contains no impurity is known as an intrinsic semiconductor. B) In
Centrifugal force with a liquid Get a small goldfish bowl or glass jar. Fasten a wire securely about the neck. To this wire attach a bale. Join the cord from the drill chuck to
what is significance of kirchoff''s law?
The cross-sectional areas of the pistons in the system shown below have a ratio of 25 to 1. If the maximum force that can be applied to the small piston is 12 N. What is the
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