Answer:
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
Answer:
See below
Explanation:
F = ma
F = 12 * 9 = 108 N
108 N needed <u> add 30 N more east </u>
The blank distance is your answer
Ans; see attached file for calculation and answer
Explanation: