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
Nina [5.8K]
3 years ago
10

A wooden block has a mass of 20.0 kg and a specific heat of 1700 J/kg °C. Find the change in thermal energy of the block as it w

arms from 15.0°C to 25.0°C.
Physics
1 answer:
andrew-mc [135]3 years ago
6 0
M = 20.0kg, the mass of the block.
c = 1700 J/(kg-°C), the specific heat
ΔT = 25 - 15 = 10 °C = 10 K, the change in temperature.

The change in thermal energy is
Q = (20.0 \, kg)*(1700 \,  \frac{J}{kg-C} )*(10 \, C) = 340 \times 10^{3} \, J

Answer: 340 kJ (or 340,000 J)

You might be interested in
Which of the following statements about globular clusters is true? All stars in the cluster have approximately the same mass. Al
Lilit [14]

Answer:

Most stars in the cluster are yellow or reddish in color. Most

8 0
2 years ago
What are laws of newton
Black_prince [1.1K]

Answer:

In the first law, an object will not change its motion unless a force acts on it. In the second law, the force on an object is equal to its mass times its acceleration. In the third law, when two objects interact, they apply forces to each other of equal magnitude and opposite direction

Explanation:

6 0
3 years ago
Read 2 more answers
Ma puteti ajuta sa rezolv la fizica o problema ?
xxTIMURxx [149]
Care este problema? Btw why are you speaking Romanian 
7 0
3 years ago
How do scientist use information about an object or event
Arlecino [84]
Many ways for example they look up related things and study them or they can test it and see what happens
4 0
3 years ago
Find equivalent resistance between A and B​
V125BC [204]

Answer:

In the picture

Explanation:

I hope that it's a clear solution and explanation, hope that helps.

8 0
3 years ago
Other questions:
  • What is the net charge on a sphere that has the following? (a) 5.87 106 electrons and 8.11 106 protons C
    7·2 answers
  • A 50 kg car is pushed so that it speeds up from 20 m/s to 50 m/s in 3 seconds. What is the force acting on the car?
    9·1 answer
  • What is the main purpose of trying to quickly cool heated food?
    14·1 answer
  • When a ball is thrown straight up with no air Resistance, the acceleration is in what direction ?
    9·1 answer
  • What are the three defining features of a planet?
    13·1 answer
  • We calculated the speed of visible light through four substances. What is different about the substances? Lesson: 4.10 Substance
    14·1 answer
  • Thomas the Tank Engine (a train) is going 80 m/s and slows down to 30 m/s over a period of 30s. What is his deceleration? Accele
    6·1 answer
  • Water vapor is an example of a(n)
    6·1 answer
  • When 150 joules of work is done on a system by an external force of 15 newtons in 20. seconds, the total energy of that system i
    8·1 answer
  •  A baseball is thrown at a speed of Vo at an angle of elevation θ. Determine its range (R) in terms of Vo and θ.​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!