PHYSICS HIGH SCHOOL

For which object is the force of gravity greatest: Earth, Moon, or Sun? Why?

Answers

Answer 1
Answer:

Sun has the greatest gravitational force.

To find the answer, we need to know about the gravitational force.

What is gravitational force?

  • The force of attraction between any two objects due to the gravitational field is known as gravitational force.
  • Mathematically, it is defined as -GMm/r².

How does gravitational force vary with mass?

  • For a constant separation between two objects, the gravitational force is directly proportional to the mass of the objects.
  • So, greater the mass, more the gravitational force.

Thus, we can conclude that as the sun has more mass than that of earth and moon, so it has more gravitational force.

Learn more about the gravitational force here:

brainly.com/question/72250

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Answer 2
Answer: The sun. The more mass an object has, the greater gravitational pull it will have, as mass attracts other mass.

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Acceleration occurs whenever an ___________________ force acts on an object.
Which is caused when constructive interference occurs in sound waves?a. louder beatsb. no disturbancec. softer noisesd. no sounds

Older auto-focus cameras sent out a pulse of sound and measured the time interval required for the pulse to reach an object, reflect off of it, and return to be detected. Can air temperature affect the camera's focus? New cameras use a more reliable infrared system.

Answers

Temperature is also a condition that affects the speed ofsound. Heat, like sound, is a form of kinetic energy. Molecules at higher temperatures have more energy, thus they can vibrate faster. Since the molecules vibrate faster, sound waves can travel more quickly. so the higher the air temperature the faster it will focus.

Answer:

ITS C!!

Explanation:I PROMISE!!

I GOT IT CORRECT!!!

JUST DO IT!!

.If you are working as a forensic scientist and are given an unknown powder from a crime scene, what would you hope to find out about the powder?

Answers

what the powder contains if its drugs a poison or anything bad

Answer:

you will hope to find out that it is nothing dangerous so anyone who came into contact with it would not be harmed.

Explanation:

When an oxygen atom forms an ion, it gains two electrons. What is the electrical charge of the oxygen ion? A. +2 B. -1 C. -2 D. +1

Answers

C. 2-

electrons have a negative charge, thus adding two electrons to an atom will give it a charge of 2 times -1 or -2

let me correct you , You miss typed "2-" its actually "-2"

A thermometer that uses a liquid to measure temperature works because

Answers

The liquid in a thermometer is sometimes colored alcohol but can also be a metallic liquid called mercury. Mercury and alcohol expand when heated and shrink when cooled. Inside the glass tube of a thermometer, the liquid has no place to go but up when the temperature is hot and down when the temperature is cold. That's how a thermometer that uses liquid to measure temperature.
a rule of thumb is that liquid expands when heated, so when liquid is in a given space one can measure how far the liquid moves when it gets heated.

A tropical storm turns into a hurricane when wind speeds reach?

Answers

A tropical storm turns into a hurricane when wind speeds reach more than 33 knots. It happens when the tropical depression strengthens and then the speed of the wind starts increasing and reaches a stage when it is called a hurricane. Right type of condition can create a powerful hurricane, but when the right conditions are not there, then the storm fizzles out. 

Answer:

74mph

Explanation:

the internet

Once a well has reached the water table, it will not run dry true or false? -earth science

Answers

No, this is false.

In principle, every well can run dry, and this includes a well that has reached the water table. If the water is taken from the well faster than it's replenishing itself, the well will run dry- and in this situation, typically people need to look for a new place to have a well.

Answer:

Once a well has reached the water table, it will not run dry true or false? -earth science

Explanation:    IT IS FALSE!!!   HAVE A GREAT DAY

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A shot-putter throws an 8.00 kg shot at a speed of 10.0 m/s. What is the kinetic energy of the shot?
What happens along a stationary front?a. Cold air rises over warm air. b. The flow of air is neither toward the warm air mass nor toward the cold air mass. c. Air moves so rapidly upward that hurricanes form. d. Wind stops completely.