How Hard Do You Have to Slap A Piece of Chicken to Cook It?
How Hard Do You Have to Slap A Piece of Chicken to Cook It?
I don’t think this question can answer by looking at how hard a piece of chicken must slap, but how fast to slap it? To solve this, let two assumptions be made: The law of
conservation of momentum and a total elastic collision where all energy is transferred
to the chicken from kinetic to thermal energy.
Let us take
the following into consideration:
Specific heat
capacity of chicken: 1.77 kJ/kg K = 1770 J/kg K
Mass of Chicken = 1 kg
Mass of an average hand (male): 0.65 kg
Standard
temperature: 25 C
Internal
Temperature to Cook a Chicken: 74 C
Now, with
all the variables in hand, the answer to the question can be found.
(0.5) (Mass hand)
(speed squared) = (Mass Chicken) (Specific heat Capacity Chicken)
(Change in Temperature)
Speed squared
= [(1) (1770) (74-25)]/ [(0.5) (0.65)]
Speed = 516 m/s
Or
Speed =
1857.6 kmph or Speed = 1176.63 mph
So, theoretically,
if you move your hand at either 1858 kmph or 1177 mph, assuming you don’t die in
the process, you can slap a chicken so hard that you can cook it!!!!
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