Can an object be in mechanical equilibrium when only a single force acts on it? explain.

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

Explain why you think this diagram shows what happened to the carbon in the biodome.