I need help ASAP!!!! Which diagram BEST represents a convection heating current?
2 answers:
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Answer:
K=24.17 x 10⁻² J s⁻¹c⁻¹m⁻¹
Explanation:
Rate of flow of heat through a material is given by the following expression
where Q is amount of heat flowing in time t through area A and a medium of thickness d having two faces at temperature difference δT . K is thermal conductivity of the medium .
Here Q = 3.34 x 10⁶/6 , t = 24 x 60 x 60 = 86400 s , A = .332 X .332 = .0110224 m² , δT = 104.7
Put these values here
K=24.17 x 10⁻² J s⁻¹c⁻¹m⁻¹
Answer: 438.3 mph
Explanation:
Let z be the distance from the plane to the station. You should draw a right triangle
for the diagram with z on the hypotenuse, 1 on the vertical side, and x on the horizontal
side. The 1 never changes, but x changes with time.
Find the attached file for the solution.
