It is confirmation bias which is favoring your own hypothesis and selective seek
Answer:
2.6645m
Explanation:
applying motion equations we can find the answer,

Let assume ,
u = starting speed(velocity)
v = Final speed (velocity)
s = distance traveled
a = acceleration
by the time of reaching the highest point subjected to the gravity , the speed should be equal to zero
we consider the motion upwards , in this case the gravitational acceleration should be negative in upwards (assume g =10 m/s2 downwards)
that is,

Answer:
soap will be dirty, maybe??
It can be purified or be used by a filter