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You watch a distant carpenter driving his nails into the side of a house at a regular rate of 1 stroke per second. You hear the sound of the blows exactly synchronized with the blows you see. You then hear one more blow after you see him stop hammering. How far away is he? Justify your ANSWER---BE BRIEF.
Solution1 : The information tells you that sound travels for one second before reaching you the actual distance will depend on temperature, since the speed of sound varies with temperature, at 20 deg C it is approx 343m/s, so if this is a nice spring day, you are 343m away
A negative point charge of 10 -6 coulomb is located in air at the origin of a rectangular coordinate system. A second negative point charge of 10 -4 is situated on the positive x
(i) It is also known as impure semiconductor. (ii) The phenomena of adding impurity is known as Doping.
For the circuit shown in Figure, find, using the superposition theorem, (a) The current flowing in and the p.d. across the resistor, (b) The current in the 8V battery and
Q. Illustrate what is a cardiac output? Answer:- Cardiac outcomes are the quantity of blood the heart pumps within one minute. Cardiac output (CO) is equivalent to the str
When the component simple harmonic motions have dissimilar periodic times: The resultant curve may be attained in this case by dividing the circumferences of the two circles of
What is the meaning of Polarization? Polarization is a quality that is only exhibited by transverse waves. For light waves, the polarization identifies the direction of vibrati
Faraday's laws of electromagnetic induction (M. Faraday) Faraday's first law of electromagnetic induction An electromotive force is induced into a conductor while the m
average or mean value of AC
what is specific gravity
Example 1:How far in meters does light travel in one year? Solution: 299,792,458m x 31,557,600s =9.461 x 10 to the power of15 Question, while i understand the above, why can we
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