the table shows the charges and the distance between five different pairs of objects.
/
charge 1
charge 2
distance
force
i ad ft
l 29
9
i 20
mx
399dy
9q3d z
if the force between two charges, q, separated by a distance, d, is f, what is the list of the other forces, from greatest to
least?
oy, z, w, x
oy, w, x, z
oz, y, w, x
oz, xw, y

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.

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

Sound is a disturbance that travels through a medium as a