What best explains the type of energy present in the wheels of a moving bus

Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.

The most efficient way to establish the best possible economizer position is to measure

An electrons position cannot be known precisely only it's probability of being in a certain location can be known