1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Wewaii [24]
3 years ago
12

In a certain time interval, natural gas with energy content of 19000 J was piped into a house during a winter day. In the same t

ime interval sunshine coming through the windows delivered 2000 J of energy into the house. The temperature of the house didn't change. What was ?Ethermal of the house, and what was |Q|, the magnitude of the energy transfer between the house and the outside air?
?Ethermal = J

|Q| = J
Physics
2 answers:
Tcecarenko [31]3 years ago
8 0

Answer:

The amount of heat transfer is 21,000J .

Explanation:

The equation form of thermodynamics is,

ΔQ=ΔU+W

Here, ΔQ is the heat transferred, ΔU is the change in internal energy, and W is the work done.

Substitute 0 J for W and 0 J for ΔU

ΔQ = 0J+0J

ΔQ = 0J

The change in internal energy is equal to zero because the temperature changes of the house didn’t change. The work done is zero because the volume did not change

The heat transfer is,

ΔQ=Q  (in ) −Q (out )

Substitute 19000 J + 2000 J for Q(in)  and 0 J for Q(out)

ΔQ=(19000J+2000J)−(0J)

=21,000J

​Thus, the amount of heat transfer is 21,000J .

​

snow_lady [41]3 years ago
6 0

Answer:

The thermal energy of the house is E_{thermal} = 0J

The magnitude of the energy transfer is \Delta Q = 21,000J

Explanation:

From the question we are told that

              The energy content is  E_c   = 19000J

               The energy through sunshine is  E_s  = 2000J

Generally the first law of thermodynamics can be mathematically represented as

                  \Delta Q  = \Delta U + W

Where \Delta Q is the heat transferred

           \Delta U is the change in internal energy with is = 0J  the temperature of the house did not change

            W is the workdone which = 0J This because the volume of the air in the house  did not change

   Therefore  \Delta Q = 0J  + 0J

                             = 0J

And this is equivalent to the thermal energy of the house E_{thermal}

Therefore

         E_{thermal} = 0J

Now the  heat transfer from outside to inside can be mathematically  represented as

              \Delta  Q  =  Q_{in} - Q_ {out}

Now Q_{in} = 19000 + 2000

             = 21,000 J

This because both the energy of the natural and the sunshine are supplied to the house

And  

            Q_{out] = 0 this is because there are no transfer of heat to the surrounding

   Hence

              \Delta Q = 21000 - 0

                    = 21000J

You might be interested in
n general, which trophic level has the LEAST energy available to it? A) producer B) primary consumer C) secondary consumer D) te
zaharov [31]
D - tertiary consumer

This is because it is the farther up to food chain.  
4 0
2 years ago
Adults with Down syndrome can often find work because they have received _____.
IrinaK [193]

Answer:

education and job training

4 0
3 years ago
Read 2 more answers
PLEASE PLEASE PLEASE HELP FAST!!!!!!!!!!!!!!!
aleksandr82 [10.1K]

Answer:

I have examined the different parts of blub and I assume the answer is (D)T and U

Hope this helps you

4 0
2 years ago
1. Black Panther ran 567.5 ks to the east in 2.3 hours then tumed around and ran 2218 km to
mario62 [17]

Answer:Average Velocity of the trip=98.77km/h

Explanation:

Given that:

Black Panther started his journey with

Distance ran towards east  = 567.5km

Time ran towards east  = 2.3 hours

and then  turned back,

Distance ran towards west,  = 2218 km

Time taken towards west,  = 1.2 hours

Let us treat the westward movement as negative movement of the east

So total displacement =567.5 km east + (-2218km east )= 1,650.5km

But it seems the value of the distance ran west is wrong , because i do not think he can run  2218km under 1.2hours considering he ran 567.5m due east at 2.3hours .

So Let we use 221.8 km as distance ran due west.

So that Total Displacement becomes = 567.5 km east + (-221.8km east )= 345.7km

Total time = 2.3 + 1.2 = 3.5hrs.

Average velocity = Total displacement / total time  

.345.7km / 3.5hr =  98.77km/h

7 0
3 years ago
Who represents the worst of the iron age in his attempt to feed jupiter once living flesh?
wolverine [178]

Lycaon represents the worst of the iron age in his attempt to feed jupiter once living flesh.

<h3>What is iron age?</h3>

The iron Age is the final epoch of the three-age division of the prehistory and protohistory of humanity.

It was preceded by the Stone Age, and the Bronze Age.

Who is lycaon?

In Greek mythology, Lycaon was a king of Arcadia who, in the most popular version of the myth, tested Zeus' omniscience by serving him the roasted flesh of Lycaon's own son Nyctimus, in order to see whether Zeus was truly all-knowing.

Thus, Lycaon represents the worst of the iron age in his attempt to feed jupiter once living flesh.

Learn more about lycaon here: brainly.com/question/18610700

#SPJ1

4 0
1 year ago
Other questions:
  • Which stage of the cell cycle involves the division of the cytoplasm?
    6·2 answers
  • Question from my vector statics class (deals with vectors from physics)
    8·2 answers
  • All chordates are vertebrates?<br> A. True <br> B. False
    6·2 answers
  • What is the mass, in grams, of 2.90×10−3 mol of ammonium phosphate?
    14·2 answers
  • The regular use of a narcotic drug will lead to blank dependence
    13·2 answers
  • Can someone help with numbers 5-8??
    13·1 answer
  • Gantt charts are A. widely used network techniques. B. not widely used. C. planning charts used to schedule resources and alloca
    11·1 answer
  • Match the following vocabulary terms to their definitions.1. the mass of a substance per unit volume density. 2. a proposed expl
    13·1 answer
  • Very easy physics maths about current and other stuffs only one question please help me
    14·1 answer
  • Light travels approximately 982,080,000 ft/s, and one year has approximately 32,000,000 seconds. A light year is the distance li
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!