Select all that apply. Which statements are supported by the second law of thermodynamics? The usable energy in the universe is decreasing. The usable energy in the universe is increasing. The energy of the universe is being destroyed. The entropy of the universe is increasing.

Answers

Answer 1

Answer: The statements supported are:

- The usable energy in the universe is decreasing.
- The entropy of the universe is increasing.

The second law of Thermodynamics establishes that in each energy convertion, in an isolate system, a part of energy is converted into heat (unusable energy) and the entropy of the system increase.

Answer 2

Answer:

Answer:

a and d

Explanation:

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Mass is measured using _____.scales
a triple beam balance
a mass meter
all of the above

Answers

Answer;

-A triple beam balance

Explanation;

-Mass is the amount of matter in an object. Move to a different planet and an object's weight will change, but its mass will be the same. There are a couple of ways to measure mass. The Mass of an object doesn't change when an object's location changes. Weight, on the other hand does change with location.

-Mass is measured by using a balance comparing a known amount of matter to an unknown amount of matter. Weight is measured on a scale.

Mass is measured using scales, a triple beam balance, or a mass meter.

What are scales used for?

Scales are commonly used for everyday measurements, where an object's weight is indirectly measured by the force it exerts on a spring or load cell.

A triple beam balance is a type of mechanical balance that uses a combination of sliding weights to determine mass.

Answers

Pressure is defined as the force per unit area. This measurement is more convenient to use for describing a force exerted. The standard unit for pressure is Pascal. For this problem, force is the gravitational pull from the block. Calculations are as follows:

P = F/A where F = mg

F = 7.5 ( 9.81) = 73.6 N

P = 73.6 N / 0.6 m^2 = 122.6 Pa

A new object has been discovered in the solar system. In your own words, justify how the object can be proved to be a comet.

Answers

Answer:

By examining its composition and parts.

Explanation:

A comet is an icy body composed of dust, rock, ice and frozen gases. Comets are commonly found in Kuiper belt and Oort cloud beyond Neptune's orbit. A comet has nucleus, a coma surrounding it and a tail. Comets also orbit the sun in large elliptical paths. Comets from Kuiper belt have smaller period unlike comets from Oort clouds.

A new object would be a comet if it has the same composition and parts.

One way is by using precise calculations in combination with accurately mapping it's position compared to other stars. If it's found to be moving a different way, then it can be proved a comet

If there is no difference in the dry and wet bulb, you can assume that the relative humidity is __________.a. 100%
b. 75%
c. 50%
d. 0% E. It cannot be determined.

Answers

If there is no difference in the dry and wet bulb temperatures,
you can assume that the relative humidity is 100% . . . since
no water was able to evaporate from the wet bulb.

An object is 6.0cm in front of a converging lens with a focal length of 10cm .Part A
Use ray tracing to determine the location of the image.
Express your answer using two significant figures.
q =
Part B
Is the image upright or inverted?
Part C
Is the image real or virtual?

Answers

Answer: A) see attach file .

B) the iamgen is uprigth

C) the imagen is virtual

Explanation: see attach file.

Which of the following is not a unit of pressure? a. atmosphere b. psi c. N/m^2 d. mm of mercury e. pascal f. They are all units of pressure.

Answers

Answer:

(A) Atmosphere.

Explanation:

The atmosphere is a thing, not a unit of measurement. (this is the simplified version)

Pls mark brianlist

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