You are going home after spending some time in the library and
suddenly it begins to rain. The closest shed from where you are is
some good metres away. In this case you are left with two options; it
is either you run to the shed or walk quickly to the place. The question
now is, to avoid excess wetting of your clothes which would be more
beneficial?
Yes! I know common sense (which is not common to some people)
would tell you that it is better to run than to walk. But what's the
reason to that?
Some scientists have tried to analyse this notion by carrying out
experiments to know the best method of avoiding excess wetness.
Some concluded that walking exposes less part of the body to the rain
while running exposes (to a great deal) the anterior of your body
thereby causing the individual to get wet excessively. Well this
observation is true bearing in mind that there is an angle between the
rainfall and the person involved (sometimes you feel the rain coming
from the front, sometimes from the back and most times it just comes
straight down. This is due to the action of wind). But walking in the
rain makes you spend more time in the rain giving it more time to hit
you.
Running, however, is a faster mode of movement to walking. And Nick
Allen, a British inventor was able to deduce a formula to explain this
concept and I’ll try to break it down so that we can all understand.
assuming W= total wetness i.e. the total mass of rainwater on your
body.
p= the density of rainwater
a= top surface area of the body (that big head of yours...lol)
A= front surface area of the body( the chest downward)
V R= velocity of the rain
V P= velocity of the person
t= time spent in the rain.
From these parameters he got;
W=P(aV R + AVP )t
Looking at the equation clearly, the only quantities we can directly
control are ‘t’ (the time spent in the rain) and VP (how fast we can
move).
The equation shows to us that we get very wet if we stay out in the
rain for a long time i.e if we are walking or running without a
destination. Surely running towards shelter would minimize the time
spent in the rain. And so, if the distance to the shelter is D, then the
time spent in the rain (‘t’ in the equation) will be D/V P and if we insert
this into the "total wetness equation" to replace t, we get
W=P[aV R /VP+A]D
So, we can see that maximizing our velocity is a good idea to stay less
wet. Therefore the next time it starts to rain, first identify the nearest
shelter, and the run to it as quickly as you can.

source: http://edscienceblog..in/2014/06/walking-or-running-in-rain.html?m=1

What was the conculsion from myth busters?

op is mad

nice one

Mprex:
op is mad

why?

Mprex:
op is mad

why?

Quickly give equations for that of sun also.

Princecalm:
Quickly give equations for that of sun also.

looool...u knw wht to do na

RobinHez:

looool...u knw wht to do na

did we not know what to do under the rain before?

Princecalm:
did we not know what to do under the rain before?

well scientists dont believe in common sense, there has to be a proof and reason to everything!

RobinHez:

well scientists dont believe in common sense, there has to be a proof and reason to everything!

and that is why I have asked for that of sun to be proven.

Scientists!...Always find a proved reason for every action...Proudly Physicist

JAMZIG! I WON'T SAY MORE THAN THAT

Jelailah:
JAMZIG! I WON'T SAY MORE THAN THAT

Jelailah:
JAMZIG! I WON'T SAY MORE THAN THAT

Say your mind bae

Why overcomplicating things?

It's common sense that in the rain, the only variable is time. So, why all the annoying equations!

Teempakguy:
Why overcomplicating things?
It's common sense that in the rain, the only variable is time. and velocity of movement So, why all the annoying equations!

fixed!

For those who think this research is garbage....understand that this has been a long term issue that has been debated by great physicists.
Appreciate what u have, while u still have it.

resocorp:
What was the conculsion from myth busters?

they first concluded on walking but later, after considering the direction of rain, they fixed it on running

RobinHez:

fixed!

The velocity of time is a dependent variable. The distance is always constant. So, you just stated the obvious.