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evablogger [386]
3 years ago
7

The more particles a substance has at a given temperature, the more thermal energy it has.

Physics
1 answer:
olasank [31]3 years ago
5 0
The statement '<span>The more particles a substance has at a given temperature, the more thermal energy it has' is true. </span><span>The kinetic molecular theory of gases has three main laws and one of them is the average kinetic energy of the particles in a gas. The average kinetic energy of the gas particles is the behavior and movement it does in the surroundings. It is directly proportional to temperature wherein if you increase the temperature, the kinetic energy of a particle also increases. It will also decrease its movement or its kinetic energy if the temperature lowers. </span>
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Which change will cause the gravitational force between a baseball and a soccer ball to increase? Select three options.
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moving the balls closer together

pumping more air into the soccer ball

putting the baseball in a plastic case

Explanation:

The gravitational force between the baseball and the soccer ball will increase if the moving balls are closer together, pumping more air into the soccer ball and putting the baseball in a plastic case.

According to Newton's law of universal gravitation "the force between two masses is proportional to the magnitude of their mass and inversely proportional the square of the distances between them". It is mathematically expressed as:

   Fgravity = G\frac{M_{1} M_{2}  }{r^{2} }

Where G is a constant called the universal gravitation constant.

           M1 is the mass of particle 1

            M2 is the mass of particle 2

             r is the distance between them.

The force of gravity increases as their masses increase and also as the distance between the bodies reduce.

From the options:

Moving the balls closer together                       distance reducing

Pumping more air into the soccer ball               mass increasing

Putting the baseball in a plastic case                mass increasing

Learn more:

Universal Gravitation brainly.com/question/1724648

#learnwithBrainly

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Where does the shadow of the shuttle in space form?
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How are mass and inertia related?
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At an accident scene on a level road, investigators measure a car’s skid mark to be 88 m long. The accident occurred on a rainy
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Answer:

The the speed of the car is 26.91 m/s.

Explanation:

Given that,

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v=\sqrt{2\times0.42\times9.8\times88}

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Hence, The the speed of the car is 26.91 m/s.

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3 years ago
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