What TWO things affect the gravitational force acting on an object?

Answers

Answer 1

Answer: The strength of the gravitational forces between two masses depends on

-- the product of the masses,

-- the distance between their centers of mass.

Answer 2

Answer: mass and distance (between two objects) are those TWO things that affect the gravitational force acting on an object

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15 POINTS! What are some differences and similarities between Electromagnetic and Mechanical waves?

Answers

Elecromagnetic waves can travel through a vacuum, but a mechanical wave cannot.Mechanical waves can only exist in a medium, such as air or water. Electromagneticwaves behave like waves and particles, but mechanical waves only behavelike waves.

Carmen is heating some water and trying to measure the temperature of water using a Celsius thermometer. Which measurement can she expect once the water begins to boil?32°C
100° C
212°C
373°C

Answers

100° Cshe can expect once the water begins to boil.

Option: B

Explanation:

The boiling point for water at 1 pressure atmosphere of sea level is 212 ° F or 100 ° C. That value isn't a fixed. Water's boiling point is dependent on the ambient pressure, which varies based on elevation. At a lower temperature, water boils as one gains altitude like getting higher on a hill, and boils at a higher temperature if one increases the atmospheric pressure of returning to or below sea level.

It also relies upon the water's purity. Water containing contaminants like salted water boils at a level higher than pure water. This effect is called acceleration of the boiling point and is one of the material's colligative features.

Answer:

option b) 100°

Explanation:

A wave has a low speed but a high frequency. What can you infer about its wavelength?

Answers

The amount of the wave length is inversely proportional to its frequency and directly to its speed. So in your question, the amount of wavelength with a low speed and high frequency has a low value or quality of wavelength output. If your frequency would get high but the speed is just low the wave length is still low

What does sealant restorations mean?

Answers

Sealants are used to protect healthy teeth that have a high potential for decay. Most often, these are the molars with deep grooves. A PRR, preventive resin restoration, is a type of filling that is placed when a cavity has begun and is infiltrating the grooves in the chewing surface of the tooth............

Calculate the average speed (in m/s) of a cheetah that runs 140 meters in 5 seconds

Answers

should be 28 meters per second.
140m ÷ 5s

Final answer:

The average speed of a cheetah that runs 140 meters in 5 seconds is calculated by dividing the distance by time, which equals 28 m/s.

Explanation:

To calculate the average speed of a cheetah running a distance of 140 meters in 5 seconds, we use the formula for average speed which is:

Average Speed = Distance / Time

Substituting the given values of distance and time in this equation, we get:

Average Speed = 140 meters / 5 seconds

Solving this, we obtain the average speed of the cheetah as 28 m/s.

The average speed is a scalar, meaning we do not include direction in the answer. For comparison purposes, the speed of a typical automobile might be around 15 m/s.

Learn more about Average Speed here:

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Does a force cause motion or a change in motion

Answers

it changes the motion as Newton's second law of motion states that a force, acting on an object, will change its velocity by changing either its speed or its direction or both. If your basketball goes rolling into the street and is hit by a bike, either the ball will change direction or its speed or both.

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