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
k0ka [10]
3 years ago
7

The specific heat capacity of copper is 385 J/kg/°C. Calculate the energy needed to increase the temperature of a 4 kg block of

copper from 15°C to 33°C.
Physics
1 answer:
Vesnalui [34]3 years ago
6 0

Answer:

heat energy =mc∆t

Q = 4×385×[33-15]

Q = 4×385×18

Q = 27720joule

You might be interested in
According to the Big Bang Theory, how long ago did the universe expand explosively into existence
Dmitry_Shevchenko [17]

About 13.7 billion years ago

The Big Bang Theory states that the universe started about 13.7 billion years ago, and before that, everything was in 1 singularity.



3 0
3 years ago
Read 2 more answers
The work-energy theorem states that a force acting on a particle as it moves over a ______ changes the ______ energy of the part
svetoff [14.1K]

Answer:

B. distance/potential

Explanation:

Quizlet

5 0
3 years ago
Janice has just measured the density of an object. Which value is possible? (Density: D = )
babunello [35]
It is 6 g/cm3 because density cannot be negative, and it is not speed in which the unit would be m/s.
6 0
3 years ago
Read 2 more answers
In a galvanic cell, electrons flow from the ________ to the _______ .
s2008m [1.1K]

Answer:

E.

Explanation:

In a galvanic cell, electrons flow from the anothe to the cathode.

I hope you got the answer

7 0
3 years ago
How do you know the speed of an electromagnetic wave in a vacuum?
ycow [4]
Electromagnetic waves need no matter to travel - they can travel through empty space (a vacuum). In a vacuum, all electromagnetic waves travel at approximately 3 x 108 m/s - which is the fastest speed possible. ...
Light traveling value through an optical Fibre is, 2 x 108 m/s. Hope that helps.
5 0
3 years ago
Other questions:
  • How many orbitals are allowed in a subshell if the angular momentum quantum number for electrons in that subshell is 3?
    14·1 answer
  • Two moving objects collide and move apart on paths 90 degrees apart. The total momentum after the collision is _______ the total
    12·1 answer
  • The hypothetical situation is described by a physics teacher: two equal mass objects moving at the same speed
    9·1 answer
  • An object traveling at constant speed v in a circle of radius R has an acceleration am 5 m/s2. If both R and v are doubled, what
    15·1 answer
  • Farmers during the dust bowl of the 1930s watched their soil be carried away by wind what process removed the soil from the plac
    13·2 answers
  • Plasma is a controllable reactive gas that is used to make small ____ in silica which are used in computers and cell phones.
    15·1 answer
  • Mass number of an atom with 11 protons
    14·1 answer
  • A scientist compares two samples of white powder. One powder was present at the beginning of an experiment. The other powder was
    10·1 answer
  • Un tren de alta velocidad (TAV) o tren bala es aquel que alcanza velocidades iguales o superiores a 200 km/h. La energía que tie
    9·1 answer
  • A machine has a mechanical advantage of 5. What force should be applied to the machine to make it apply 3000 N to an object? 0.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!