How many drops of water are in a 1.0 l bottle? (hint: start by estimating the diameter of a drop of water.)

N = 2000 drops approx with 1 cm diameter each

Explanation:

Let the diameter of one drop is 1 cm

so volume of one drop is given by

now we have

now in 1L of liquid let say N drops are there

so we have

now we have

so it will have approx 2000 drops in it with diameter 1 cm each drop

since you're a real machine, your ama is always less than your ima, because you can never totally eliminate friction.

conduction, convection, radiation