Some birds migrate 20,000 miles. if 1 mile equals 1.6 kilometers, calate the distance these birds fly in kilometers.

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9

Area around a charged object where the objects can exert a force on another charged objects is an electric