A pond with a flat bottom has a surface area of 820 m2 and a depth of 2.0 m. On a warm day, the surface water is at a temperature of 25°C, while the bottom of the pond is at 12°C. Find the rate at which energy is transferred by conduction from the surface to the bottom of the pond.

Question
Asked Dec 25, 2019
57 views

A pond with a flat bottom has a surface area of 820 m2 and a depth of 2.0 m. On a warm day, the surface water is at a temperature of 25°C, while the bottom of the pond is at 12°C. Find the rate at which energy is transferred by conduction from the surface to the bottom of the pond.

check_circle

Expert Answer

Step 1

 

given:

surface area = 820 sq m

depth = 2 m

temperature of surface water= 25o C

temperature of bottom of the pond = 12o C

 

Step 2

energy transferred by conductio...

help_outline

Image Transcriptionclose

dT Q = kA dx where, k is the thermal conductivity of material A is the area of cross-section dT is the temperature difference dx is the thickness of material 25 –12 Q = 0.6× 820 Q = 3198J/s

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Physics

Related Physics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: The U.S. penny is now made of copper-coated zinc. Can a calorimetric experiment be devised to test f...

A: Calorimetric experiment uses the conservation of energy. According to this, the heat lost by the one...

question_answer

Q: A 62.0-kg survivor of a cruise line disaster rests atop a block of Styrofoam insulation, using it as...

A: (b)Using Newton’s second law,

question_answer

Q: A 24.0 - kΩ resistor connected to an AC voltage source dissipatesan average power of 0.600 W. (a) Ca...

A: Click to see the answer

question_answer

Q: Suppose a creature from another planet had eyes that weresensitive to infrared radiation. Describe w...

A: Infrared radiation is known as thermal radiation. It is invisible to human eyes, but people can feel...

question_answer

Q: An AC source operating at 60. Hz with a maximum voltage of170 V is connected in series with a resist...

A: Click to see the answer

question_answer

Q: A microwave oven is powered by an electron tube called amagnetron that generates electromagnetic wav...

A: The separation distance between burns is 6cm, this distance is equal to the half of the wavelength.

question_answer

Q: Show that the coefficient of volume expansion, β, is related to the coefficient of linear expansion,...

A: Click to see the answer

question_answer

Q: In a student experiment, a constant-volume gas thermometer is calibrated in dry ice (-78.5°C) and in...

A: Part A:

question_answer

Q: Star A has twice the radius and twice the absolute temperature of star B. What is the ratio of the p...

A: Power output is directly proportional to the surface area of star. Surface area is directly proporti...