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
larisa [96]
2 years ago
9

What best describes the energy in a closed system at the beginning of a day and the energy at the end of the same day? Check all

that apply.
Some energy can disappear after it has caused motion.
Some energy can be changed from one form to another.
Some energy can be lost to the environment around the system.
The total initial energy will be equal to the total final energy.
The total initial energy will be greater than the total final energy.
Friction can cause energy to be destroyed during the day.
Friction can cause the amount of thermal energy to increase.
Physics
2 answers:
jeka942 years ago
6 0
The second, fourth, and seventh answers apply. Energy in a closed system is conserved, but it can change form
Tanya [424]2 years ago
6 0
<h2>Answer:</h2>

The options which are apply on it;

2. Some energy can be changed from one form to another.

4. The total initial energy will be equal to the total final energy.

7.Friction can cause the amount of thermal energy to increase.

Energy can not be created or destroyed it can only be converted from one form to another.

You might be interested in
A proton is moving at 425 m/s. (a) How much work must be done on it to stop it? (A proton has a mass of 1.67×10−27 kg.) (b) Assu
Tpy6a [65]

Answer:

a)1.51*10^-22joules b) 1.89*10^-7m

Explanation:

Work done to stop the proton = the kinetic energy of the proton = 1/2 mv^2 = 1/2* 1.67*10^-27* 425*425 = 1.51* 10 ^ -22 joules

b) net force acting to stop the proton = 8.01*10^-16

Work done needed to stop the proton = net force acting opposite the motion * distance

Distance covered = need work done/ net force

Distance = 1.51*10^-22/8.01*10^-16= 1.89*10^-7m

8 0
3 years ago
As an object moves along the x axis, many measurements are made of its position, enough to generate a smooth, accurate graph of
Bas_tet [7]
The best and most correct answers among the choices provided by your question are he second and third choices. 
<span>The velocity at any instant the average velocity during some time interval cannot be obtained from the graph alone.</span>


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
6 0
3 years ago
Read 2 more answers
Hurricanes are considered____ because they lose power over cool waters or land A. Short-lived B. Heat engines C. Weak
klasskru [66]
My best guess would be heat engines
7 0
3 years ago
Read 2 more answers
What are four pieces of evidence for continental drift?
Tomtit [17]
continents, paleoclimate indicators, truncated geologic features, and fossils:D
5 0
3 years ago
Read 2 more answers
AYOO I NEED HELP plz
oksano4ka [1.4K]

Answer:

1D

2C

3C

4C

5D

6D

7D

8D

9B

Explanation:

better give me points X﹏X

4 0
3 years ago
Read 2 more answers
Other questions:
  • Who first used the zodiac constellations? Will Mark Brainliest!!!
    7·1 answer
  • What is the name for a group of warmblooded animals with hair or fur?
    12·1 answer
  • An 8.5 g ice cube is placed into 255 g of water. Calculate the temperature change in the water upon the complete melting of the
    10·1 answer
  • The diagram below illustrates the law of reflection.
    15·1 answer
  • Karen is sitting in a movie theater, 11 meters from the screen. The angle of elevation from her line of sight to the top of the
    10·1 answer
  • An electron moves in a circular path perpendicular to a magnetic field of magnitude 0.275 T. If the kinetic energy of the electr
    9·2 answers
  • What is the source of gentian viole?​
    11·1 answer
  • I need help!!!!!!!!!!!pleaseeeeeee
    6·1 answer
  • (forces and motion) in 2-3 sentences explain why velocity (or speed) is interesting
    9·1 answer
  • Even if all stars were the same distance from Earth, their absolute magnitude and
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!