
Temperature: Why Measured in Degrees? - Physics Forums
Jun 18, 2014 · The discussion revolves around the historical and etymological reasons for measuring temperature in degrees, such as degree Celsius and degree Kelvin. Participants explore the …
Radians vs Degrees: When to Use in Calculus & Physics
Jan 27, 2007 · The discussion revolves around the use of radians versus degrees in calculus and physics, particularly in the context of calculations involving trigonometric functions and vector …
What is the meaning of degree of temperature? - Physics Forums
Feb 7, 2010 · The discussion centers around the meaning of the term "degree" in the context of temperature measurement, comparing it to its use in angles, and exploring the historical and …
Explain the 90 degree rule in Billiards - Physics Forums
Nov 12, 2007 · Some argue that backspin or topspin affects the angle of deflection, stating that backspin results in angles greater than 90 degrees and topspin results in angles less than 90 degrees. Links to …
Why do we not need to convert from degrees Celsius to Kelvin?
Apr 4, 2021 · Since degrees Celsius and Kelvin are the same size, it doesn't matter which you use to measure a change in temperature.
Why must we use absolute temperature for the Ideal Gas Law?
May 8, 2023 · Others question the consequences of using Celsius, particularly at zero degrees, and how it could lead to erroneous interpretations of physical situations. There are discussions about the …
Why Does Pi Equal 180 Degrees and 2 Pi Equal 360 Degrees?
Jun 16, 2013 · I know a Pi is 3.14159265359 or 22/7. Or Pi is a ration between a circle's circumference and its diameter. Why Pi = 180 deg and 2 pi = 360 deg? Please explain.
AC Signals - Radians and Degrees? Why do we use both?
Oct 26, 2015 · The discussion revolves around the conventions used in electrical engineering for representing sinusoidal signals, specifically the use of radians per second for frequency and degrees …
How is frost possible at 39 degrees F? - Physics Forums
May 9, 2020 · How is it possible to have frost at 37 degrees F when freezing temperature is 32 degrees F. I know from observation frost can be spotty, hear and there often offected but mass temperature …
Cold Weather Makes Snow Squeak: The Science Behind It
Jan 15, 2009 · I've noticed, however, that when the temperature is around 20 to 30 degrees or more, degrees F, the snow is relatively quiet when you walk on it; in the 0 to 20 degree range, degrees F, …