Answer:
Given that
D= 4 mm
K = 160 W/m-K
h=h = 220 W/m²-K
ηf = 0.65
We know that

For circular fin


m = 37.08


By solving above equation we get
L= 36.18 mm
The effectiveness for circular fin given as


ε = 23.52
Force, acceleration, and Displacement are all vector quantities.
Answer:
The chicken.
Explanation:
If there was no chicken where would the egg come from.I am a christian so i believe God created the chicken first.