Tres cargas positivas de q 1 = 7 µC, q 2 = 12 µC, q 3 = -15 µC, están conectadas como se muestra en la figura. Hallar la fuerza eléctrica resultante que actúa sobre la primera carga.

What is the relationship between the wavelength of a wave and it's energy?

The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information

Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?