Answer:
Explanation:
Exercise controls weight. Exercise can help prevent excess weight gain or help maintain weight loss. ...
Exercise combats health conditions and diseases. ...
Exercise improves mood. ...
Exercise boosts energy. ...
Exercise promotes better sleep. ...
Exercise puts the spark back into your sex life. ...
Exercise can be fun … and social!
Answer:
An element is a pure substance that contains only one type of atom. TRUE. 2. ... FALSE, they are all carbon atoms. 7. The smallest unit of matter is an atom. TRUE. 8. When an ... TRUE. 10. Most of the mass of an atom is found in the electron layers. FALSE. 11. The nucleus of an atom contains protons and neutrons. TRUE ...
Explanation:
Weight = mg, g ≈ 9.8 m/s²
Weight = 2.2 * 9.8 ≈ 21.56 N
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