Find the unbalanced force acting on the object.

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?

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

Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j