What forces act on an airplane to keep it in the air? If the airplane is traveling at a constant velocity, What could be said about the Magnitudes of the forces? Use full sentences in both questions.

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v

An electron is traveling with initial kinetic energy k in a uniform electric field. the electron comes to rest momentarily after traveling a distance d. (a) what is the magnitude of the electric field