Doug is doing work. without knowing exactly what he is doing, which can be said about the work he is doing?

energy is transferred.
energy is increased.
energy is decreased.
energy is unchanged.

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.