Which point on the pendulum's swing represents the minimum potential energy?

Does current flow through or across a resistor?

Farmer a has a deep well and needs a lot of water for her animals and crops. her neighbor, farmer b, has a shallower well. he needs less water than farmer a because his farm is smaller. in years of drought, sometimes farmer b can't get any water from his wells. what can farmer b do to decrease the likelihood of his well running dry?

Emergent properties of living systems are defined as properties that .