How do you find diameter from the circumference of a circle?
2018年5月13日 · d=C/pi the circumference C" "and diameter" d " are related by the equation C=pid so to find the diameter we simply divide the circumference by pi d=C/pi
How do you find diameter of a circle with area? | Socratic
2016年1月1日 · D=(2)(sqrt(A/\pi)) It is known that the area of a circle is A=\pir^2. If the area of the circle is given, the radius r, can be calculated and that is through literal transposition.
How do you calculate the diameter of the sun? - Socratic
2016年8月14日 · center of the Earth, an approximation to the diameter of the Sun's . diameter #=2 tan (alpha/2) AU#, where #alpha# is the angular spacing of the solar disc. If the angle is a …
How do you find the diameter of the sun, given angular diameter …
2016年2月14日 · The angular diameter of the Sun is nearly 0.5334 deg. The diameter of the solar disc is nearly (Earth-Sun distance) X (angular diameter in radian) = 149598262 X (0.5334 pi …
What is linear mass density? + Example - Socratic
2014年2月13日 · Linear mass density is the amount of mass per unit length. Just as ordinary density is mass per unit volume, linear density is mass per unit length. Linear densities are …
How do you calculate the angular diameter of the sun?
2016年2月13日 · 0.5334 deg The formula used is angular spacing is 2 X arctan ((radius of solar disc) / (Earth-Sun distance) = 2 X arctan (696342/149598262) = 0.5334 deg.
How do you find the diameter of the sun? - Socratic
2016年4月6日 · A good approximation to the diameter can be computed from the angular spacing alpha of the solar disc, when it is right overhead. Vernal Equinox Sun (about Mar 21, near New …
Calculate the number of collisions per second of one ... - Socratic
2016年11月19日 · If the molecules have diameter d, then we can use a circle of diameter #σ = 2d# to represent a molecule's effective collision area. For a hydrogen molecule, #σ = "289 …
How do you specify the size of a planet? | Socratic
2017年3月22日 · Diameter of planets are measured in kilometers. Astronomers can know the distance to planet by radar measurements, then they measure the angular diameter. By using …
How do you find atomic radius given the density? - Socratic
2016年6月1日 · Here's one way to do it. > For a metal, you need the density, the molar mass, and the crystal structure. Let's calculate the atomic radius of polonium, which has molar mass = …