The average distance between earth and the sun is 1.5 ✕ 1011 m. (a) calculate the average speed of earth in its orbit (assumed to be circular) in meters per second.

Apositive rod is placed to the left of sphere a, and the spheres are separated. which best describes the spheres? sphere a is negative and sphere b is positive because protons from sphere a are attracted to the rod and move to sphere b. sphere a is negative and sphere b is positive because electrons from sphere b are attracted to the rod and move to sphere a. sphere a is positive and sphere b is negative because electrons from the rod move to sphere b and protons then move to sphere a. sphere a is positive and sphere b is negative because protons move from sphere b to the rod and also to sphere a.

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending

If you put a helium-filled balloon in the refrigerator, what will happen?