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lions [1.4K]
3 years ago
10

How does the science of heat transfer differ from the science of thermodynamics?

Physics
1 answer:
mariarad [96]3 years ago
3 0

Answer:

The science of thermodynamics deals with the fundamental laws that guide how physical processes occur in relation with the energy transfer. When a system or process changes from one state of equilibrium to another, thermodynamics is interested with the amount of heat transfer during the process. On the other hand, the science of heat transfer is simply about the rate of heat and temperature distribution inside a system at a particular point in time.

Explanation:

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Explanation:

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3 years ago
A 650 kg steel beam is being pulled up by a crane with a force of 7020 N. What is the upwards acceleration of the beam?
zimovet [89]

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Explanation:

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8 0
3 years ago
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4 0
4 years ago
A spotlight on the ground is shining on a wall 24m away. If a woman 2m tall walks from the spotlight toward the building at a sp
Lubov Fominskaja [6]

Answer:

\dfrac{dy}{dt}=-0.059\ m/s

Explanation:

It is given that,

Distance between the spotlight and the wall, y = 24 m

Height of the woman, h = 2 m

The woman walks toward the building at the rate of 0.6 m/s, \dfrac{dx}{dt}=0.6\ m/s

In the attached figure, triangle ABC and MNC are similar. So,

\dfrac{2}{y}=\dfrac{x}{24}............(1)

y=\dfrac{48}{x}

When she is 2 meters from the building. So x = 24-2 = 22 m

y=\dfrac{48}{22}=2.18\ m

Differentiating equation (1) i.e.

xy=48

x.\dfrac{dy}{dt}+y.\dfrac{dx}{dt}=0

22.\dfrac{dy}{dt}+2.18\times 0.6=0

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So, her shadow is decreasing at the rate of 0.059 m/s. Hence, this is the required solution.                                

7 0
4 years ago
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