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By its amplitude. Really loudness is sound intensity & intensity depends on square of amplitude ie. higher the amplitude higher the intensity which means higher the loudness.
R1=v square/50 R2 = v square/25 = v square/25 multiplied by 2/2 = 2v square/50 R2 = 2 multiplied by R1 R2 is twice more than R1
Yes. Gravity drops off at the square of the distance. So the further you are from something the less the force of gravity you experience.
If you imagine a square around your body, put one mirror in front of you and to your right at about 45 degrees so it cuts off one corner of the square. Put the other to your back and right in the square at about 45 degrees. Now just turn your head to the mirror in front of you.
Mach no. is dependant on ambient air temp which is associated with a given altitude. As one ascends the temp drops so does the mach no. Eg. In a standard atmosphere (ISA - international std atmosphere) sea level temp is 15 degrees C or 59 degrees F. Temp decreases at 2 degrees celcius per 1000' therefore for example, in a standard atmosphere the temp at say 30000' would be: 15C at 0' -45C at 30000' Plug that into the equation to find the Local Speed of Sound (LSS) which is: LSS = 38.945 (square root of)/ Outside air temp + Absolute temp being 273A or 273K LSS = 38.945 x 228 LSS = 588 kts at 30000' So if one is doing 480knots at 30000' on a standard, day they are doing 480/588 = Mach0.82
In summer, it's around 35 to 40 degrees Celsius on a warm day and in winter it can get to -40 degrees Celsius. Right now it's around -25 degrees Celsius.
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a square,rhombus,parallelogram does intersect at 90 degrees but a rectangle does not intersect at 90 degrees and im not sur about trapezuim and kite:)
A square is a quadrilateral so it has 360 degrees.
Square is 360 and so is a circle A triangle is 180 degrees half a triangle or quarter of a square is 90 degrees
90 degrees
The degrees of a square is 360 degrees. A square has four equal angles, each measuring 90 degrees.
A square adds up to 360 degrees
720 degrees
The 4 equal angles of 90 degrees within a square add up to 360 degrees
85 degrees
360 degrees