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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 ray of light itinerant in air passes through a flat plate of glass. Refraction takes place. Where the refraction does occurs? Ans: Refraction takes places when light tra
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explain one page for snell''s law?
An inter metallic compound having the chemical formula A 3 B, where A represents a transition element and a crystal structure in which the B atoms are located as the corners and in
The signal which has only two values. I.e. either a constant high value of voltage or zero value is known as digital voltage signal
REST: A body is said to be at rest if it does not alter its position with respect to its surroundings.
In which direction does air exert maximum pressure?
What is the difference between french beans and front office refraction
If the angle of incidence is 60 degrees,then what is the angle of deviation?
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