What determines whether a charged object gains or loses electrons

Jenny is trying to describe a wave. Which example would be the best description?

What is an organism ability to maintain a steady internal condition called

A damped harmonic oscillator driven by a harmonic external force maintains a steady oscillatory motion. Is energy lost to friction in the motion? If so. what keeps the oscillator moving?

A story without a conflict would be very

A light is traveling straight up out of the ocean, then moves out of the air. how do you expect the movement of the light wave to change?

Show that the Newton has the units of mass times acceleration.

Light travels at 150000000km from the sun to earth in 8 minutes. What speed is this in Km/s

Electricity problem (coulomb's law)

An observer (O) spots a plane (P) taking off from a local airport and flying at a 29° angle horizontal to her line of sight and located directly above a tower (T). The observer also notices a bird (B) circling directly above her.

In order for convection to occur, you must have