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
Ad libitum [116K]
3 years ago
12

If a system is isolated the total energy within that system is constant. Consider the case of a hot cup of coffee: when it cools

down, the energy goes into the surrounding air, causing the air to warm. If the coffee and the air are placed in an isolated chamber, the total energy of the system (coffee + air) is constant because the energy lost by the coffee is exactly equal to the energy gained by the air. The only way for the total energy of a system to change is when it is not isolated, meaning that external forces or sources of energy interact with the system. If we want to define a system where the total energy is conserved, which one of the choices below would be the best system to consider?A. The personB. The person and the EarthC. The Earth
Physics
1 answer:
uranmaximum [27]3 years ago
5 0

Answer:b-The person and the earth

Explanation:

The best system will be the person and earth as a system

It is so because whatever the energy required by the person is derived from earth resource and thus by depleting the earth resource person is getting is required form of energy .

for example person want thermal energy , for this he need coal which is earth resource and thus all the energy is derived from earth and is being converted into some other form of energy.

You might be interested in
All of the following equations are statements of the ideal gas law except
elena55 [62]

Answer:

a. P = nRTV

Explanation:

The question is incomplete. Here is the complete question.

"All of the following equations are statements of the ideal gas law except a. P = nRTV b. PV/T = nR c. P/n = RT/v d. R = PV/nT"

Ideal gas equation is an equation that describes the nature of an ideal gas. The molecule of an ideal gas moves at a particular velocity depending on the temperature. This gases collides with one another elastically. The collision that an ideal gas experience is a perfectly elastic collision.

The ideal gas equation is expressed as shown:

PV = nRT where:

P is the pressure of the gas

V is the volume

n is the number of moles

R is the ideal gas constant

T is the temperature.

Based on the formula given for an ideal gas, it can be inferred that the equation. P = nRTV is not a statement of an ideal gas equation.

The remaining option will results to an ideal gas equation if they are cross multipled.

7 0
3 years ago
Sound enters the ear, travels through the auditory canal, and reaches the eardrum. The auditory canal is approximately a tube op
Nesterboy [21]

Answer: An organ pipe is open at both ends. It is producing sound at its third harmonic, the frequency of which is 262 Hz. The speed of sound is 343 m/s. What is the length of the pipe?

Explanation: thanks for asking

8 0
2 years ago
Energy caused by the flow of ocean water
Arlecino [84]
It’s thermal energy
8 0
2 years ago
Red, green, and blue light rays each enter a drop of water from the same direction.Which light ray's path through the drop will
geniusboy [140]
Blue light will bend more than the others because it has a slightly greater refractive index. This is because blue light has a shorter wavelength and more energy, meaning it has to slow down more than the others when it hits the water.
5 0
3 years ago
A scientific theory _______.
Nesterboy [21]
B. is not a validated bu experimentation

5 0
3 years ago
Read 2 more answers
Other questions:
  • You are given a length (l) of wire that has radius (a)and are told to wind it into an inductor in the shape of a helix that has
    5·1 answer
  • State Newtons first law of motion.
    12·1 answer
  • A 500-watt vacuum cleaner is plugged into a 120-volt outlet and used for 30 minutes. How much current runs through the vacuum?
    14·1 answer
  • When resting, a person has a metabolic rate of about 3.0X10^5 joules per hour. The person is submered neck deep into a tub conta
    10·1 answer
  • When considering that in the past human societies developed in greater isolation from one another than today, each of the follow
    5·1 answer
  • A planet orbits a start with the path shown below.
    7·1 answer
  • How do you make a iPad I can text and stuff and don't understand how
    5·2 answers
  • If you increase the surface area of a rock, how will it affect the rate at which it weathers? a. It will weather more quickly. b
    8·1 answer
  • Explain how to find the acceleration of an object that has one-dimensional horizontal motion.
    15·1 answer
  • A block rests on a 15.0° incline. If the block weighs 70. N, what is the normal force on the block?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!