Answer:
A: 240 watts
Explanation:
Hopefully this helps!
1. iodine
2. convection
3. radiation
4. conduction
5. gases
6. expansion
7. freezing point
8. absorber
9. thermos flask
10. mercury
4.14 m/s
m¹u¹+m²u²=(m¹+m²)v
5(5)+2(2)=(5+2)v
25+4=7v
29=7v
29/7=v
v=4.14 m/s
