PHYSICS HIGH SCHOOL

Which of the following is a typical product of nuclear fission?a. oxygen
b. carbon dioxide
c. radiation
d. water

Answers

Answer 1
Answer: The correct answer for the question that is being presented above is this one: "c. radiation." The typical product of nuclear fission is radiation. Nuclear fission's another product is that two different atoms that are both less massive than the original atom 
Answer 2
Answer:

On edge.nuity the answer is C- radiation. Hope this helps you out :)

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Heat is a transfer of thermal energy from one object to anther because of a difference in?
A man begins pushing a lwan mower across a lawn from a standing start. Which is true? A. The man is decreasing the kinetic energy of the lawn mower B. the man is increasing the kinetic energy of the lawn mower C. the kinetic energy of the lawn mower is not changing D. you cannot tell whether the kinetic energy of hte lawn mower is increasing or decreasing from the info given
An emergency relief plane is dropping a care package from a plane to a group of medical personnel working for a relief agency in an African village. The package is designed to land in a small lake, inflate an attached raft upon impact, and finally resurface with the raft side down. The plane will be moving horizontally with a ground speed of 59.1 m/s. The package will be dropped a horizontal distance of 521 m from the intended target location. At what altitude above the pond must the plane be flying in order to successfully accomplish this feat?

Which type of process happens without gain or loss of heat

Answers

Answer:

Adiabatic

Explanation:
Exotermic when you loss heat and enthotermic when you gain heat

What does the atomic number of an element represent? Question 21 options: A. the number of protons in an atom B. the number of neutrons in an atom the mass of an atom C. the total number of protons, neutrons, and electrons in an atom D. the order in which the element was discovered

Answers

Answer:

A. the number of protons in an atom

Explanation:

The atomic number (also known as the proton number) is the number of protons found in the nucleus of an atom.

Answer:

A. the number of protons in an atom

Explanation:

A marble is thrown horizontally with a speed of 15.0 m/s from the top of a building. When it strikes the ground, the marble has a velocity that makes an angle of 65.0° with the horizontal. From what height above the ground the marble was thrown. How far from the base of the building, did the marble land?

Answers

The answer is 52.79 m.

I used this formula to get the formula for Vy:
v^2=vi^2+2(a)(x)
And got
Vy=square root (19.6 h)

Then I used that and put it in this formula:

tan(65) =Vy/Vx

tan(65) = square root (19.6 h)/15.0

Then I rearranged it to:

h=[(15.0)(tan65)]/19.6

h=52.79 m
The answer for this question is 52.79

Groups of students are measuring the masses of several rocks. They have a scale that can show readings in pounds or kilograms. The teacher requires that they all make their measurements in kilograms.Why would the teacher make a decision like this?

Choose 1 answer:

(Choice A) A kilogram is larger than a pound, so the scale could measure more massive rocks.

(Choice B) Accurate measurements cannot be made in pounds.

(Choice C) Pounds cannot be converted to kilograms.

(Choice D) It is easier to compare measurements when using the same unit system.

Answers

Answer:

(D). It is easier to compare measurements when using the same unit system.

Explanation:

Kilograms are the standard unit of mass in the metric system, while pounds are the standard unit of mass in the imperial system.

The two systems are not directly convertible, so it would be difficult to compare measurements made in different units.

Therefore, the teacher requires that the students make their measurements in kilograms to simplify the comparison of their results.

So, answer (D). It is easier to compare measurements when using the same unit system.

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Let's see the other option:

  • Choice (A) is incorrect because a kilogram is not larger than a pound. A kilogram is equal to about 2.2 pounds.
  • Choice (B) is incorrect because accurate measurements can be made in pounds.
  • Choice (C) is incorrect because pounds can be converted to kilograms. The conversion factor is 1 kilogram = 2.2 pounds.

For verified answers and to learn more:

Visit:brainly.com/question/28612720

Answer:

Choice D

Explanation:

The correct answer is (Choice D) It is easier to compare measurements when using the same unit system.

When conducting scientific experiments or measurements, it is crucial to maintain uniformity in the units of measurement to facilitate accurate comparisons and analysis. By requiring all students to measure the masses of rocks in kilograms, the teacher ensures consistency and eliminates any potential confusion that may arise from using different unit systems.

Using the same unit system allows for straightforward comparisons and calculations without the need for converting between units. It simplifies data analysis and interpretation, which is crucial for scientific accuracy and understanding. By standardizing the unit of measurement to kilograms, the students can directly compare the masses of rocks and draw meaningful conclusions from their data.

Which one of the following is not part of john daltons atomic theory ?a)all elements are composed of atoms
b) all atoms of the same element have the same mass
c)atoms contain subatomic particles
d) a compound contains atoms of more than one element

Answers

c) atoms contain subatomic particles.

John Dalton's atomic model was also known as a 'Billiard Ball Model' because he thought that all atoms were just simple spheres, and nothing complex inside.

When you look at green dots with a red filter what color did you see?

Answers

-- Looking at the dots casually, they look green because they absorb all other
colors of light, and only green light is left to proceed to your eyes. (In order for
this to work, there has to be some green in the light shining on the dots.
Daylight and most light bulbs work fine.)

-- The filter looks red because it absorbs all other colors of light, and only
the red light is left to pass through the filter and come out on the other side.

-- When the green light from the dots hits the red filter, it's absorbed in the
filter, and there's no light left to come out on the other side.

If you're looking through the filter at the dots, they look black.
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