A jet plane lands with a velocity of +107 m/s and can accelerate at a maximum rate of -5.18 m/s2 as it comes to rest. From the i
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Answer:
A. T=15.54 °C
B. Q/A= 0.119 W/m2
Explanation:
To solve this problem we need to use the Fourier's law for thermal conduction:
Here, the rate of flow per square meter must be the same through the complete wall. Therefore, we can use it to find the temperature at the plane where the wood meets the Styrofoam as follows:
Then, to find the rate of heat flow per square meter, we have:
Answer:Aluminium displaces more water
Explanation:
Given
mass of aluminium block=1 kg
mass of lead block= 1 kg
Also we know density of lead
Density of Aluminium
As the density of lead is more than that of Aluminium therefore its volume is lesser than Aluminium for same mass.
Thus aluminium displaces more amount of water as compared to lead.