What is the maximum frequency a human eardrum is able to perceive?

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

What organization and environment is described above?