What is a constellation? How many of them cover the sky? If you were to travel to the edge of the solar system, would the constellations appear the same? Would they appear the same if you traveled to the nearest star?

A cube has a sphere inscribed inside of it. It has another sphere circumscribed on the outside ot if (it being the cube). What is the ratio of the volume of the inside sphere to the volume of the outside sphere?

A small charged sphere of mass 0.200 g is suspended by a string in an electric field of 500 N/C. The string makes an angle of 30 degrees with respect to the vertical. What is the charge on the sphere?
(Sum of F = 0)

Please see the attached file.
Question 1
The great circle passing through the south point on the horizon, the zenith, and the north point on the horizon is called the _______ _______ _______ .
Question 2
What object in the sky do astronomers use to define apparent solar time?
Question 3
Which point in the

A disk, a hoop, and a sphere are released at the same time at the top of an inclined plane. They all roll without slipping. In what order do they reach the bottom?
A. disk, hoop, sphere
B. sphere, disk, hoop
C. hoop, sphere, disk
D. hoop, disk, sphere.

A sphere consists of a solid wooden ball of uniform density 800kg/m^3 and radius 0.20 m and is covered with a thin coating of lead foil with area density 20kg/m^2 .
Calculate the moment of inertia of this sphere about an axis passing through its center.

A 509 kg uniform solid sphere has a radius of 0.409 m. Find the magnitude of the gravitational force exerted by the sphere on a 50.9 g particle located
(a) 1.48 m from the center of the sphere
_______ N
(b) at the surface of the sphere
_______ N
(c) 0.206 m from the center of the sphere
_______ N

Find an equation of the largest sphere with center (10, 1 , 3) that is contained completely in the first octant.
= 0
Note that you must move everything to the left hand side of the equation that we desire the coefficients of the quadratic terms to be 1.