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
frez [133]
3 years ago
10

An 800-W heater raises the temperature of 4 kg of soup by 40 °C in 13 minutes.

Physics
1 answer:
Tju [1.3M]3 years ago
6 0

Answer:

Q=0.16*c kJ

Explanation:

Heat transfer and energy changes is related by the equation

Q=mcΔT

where

Q=heat transfer

m=mass of substance

c=specific heat of the material

ΔT= change in temperature

Given

m= 4 kg

c=c

ΔT=40° C

Q=4*c*40

Q=160c

Q=160/1000*c kJ

Q=0.16*c kJ

You might be interested in
A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 0.0055 m/s2 less than that at sea leve
pshichka [43]
Gs*rs^2 = gm*rm^2 
<span>rm = rs*√gs/gm </span>
<span>rm = 6370*√9.83/(9.83-0.009) = 6372.92 </span>
<span>mountain observatory is placed at an altitude worth 2920 m asl

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.
</span>
7 0
4 years ago
A mouse jumps horizontally from a box of height 0.25m.  If the mouse jumps with a speed of 2.1 m/s, how far from the box does th
Sladkaya [172]

The mouse would land 0.47 m away from the box.

3 0
4 years ago
Read 2 more answers
What is the build up of electrons on a surface
Minchanka [31]

Answer:

Static energy

Explanation:

Think of it as a balloon rubbing against your hair, the two attractions of friction causes Static energy.

5 0
3 years ago
what is the density to the nearest hundredths, of a metal with a volume of 3.00 cm3 and a mass of 8.13g?
I am Lyosha [343]
Since D=M/V, the answer would be 2.7
8 0
3 years ago
On a velocity time graph, the slope tells you the ______ of the object.
Paraphin [41]
The acceleration is the correct answer
7 0
3 years ago
Other questions:
  • ¿Existe relación entre la rapidez para realizar trabajo y la velocidad del cuerpo?
    10·1 answer
  • What metric unit would you use to estimate the actual distance between Boston and New York?
    10·2 answers
  • The electric potential at a position located a distance of 20.7 mm from a positive point charge of 8.60×10-9C and 15.1 mm from a
    14·1 answer
  • Give one chemical and physical property of wood.
    14·1 answer
  • Explain why beaches can be considered both erosional and depositional. Remember to write in complete sentences!
    8·1 answer
  • According to the Big Bang theory timeline, all matter and energy was compressed into a very small volume at an extremely high te
    9·1 answer
  • explain how the efficiency of an ideal meachine compares with the efficiency of a real machine. For 25 POINTS
    11·2 answers
  • For an object like a planet, with a typical temperature of a few hundred kelvin, what kind of blackbody radiation would it princ
    9·1 answer
  • CO + 7H2 - C3Hg + 3H20
    8·1 answer
  • The ________ explains how our solar system probably formed from a giant cloud of gases and dispersed solid particles.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!