(a(i))[1]
State how long it takes for 30 drops to hit the ground.
(a(ii))[2]
Calculate the average time between two drops hitting the ground.
(a(iii))[1]
Explain why the student measures the time for 30 drops to hit the ground instead of measuring the time for one drop to hit the ground.
(b)[1]
State why the drops get further apart.
(c)[3]
Calculate the distance fallen by the weight in the first $1.5\,\text{s}$.