All categories

4 years ago

PLEASE HELP!

Physics

2 answers:

Butoxors [25]4 years ago

8 0

<span>a. Particles move independently of one another and are widely spaced.</span>

taurus [48]4 years ago

4 0

Answer;

Particles move independently of one another and are widely spaced.

Explanation;

The Kinetic Molecular Theory of Matter is a concept that basically states that atoms and molecules possess an energy of motion (kinetic energy) that we perceive as temperature.

The kinetic-molecular theory states (postulates) that:

All matter (solid, liquid, and gas) is made up of tiny particles called atoms, or atoms that are joined to form molecules.
These particles are in constant motion.
Molecular motion is random.
Particles in motion possess kinetic energy.
Their motion increase as they gain energy.
There is an exchange (transfer) of energy between particles (atoms and molecules) during a collision between them.

You might be interested in

What medium does sound travel through the quickest and why

crimeas [40]

Sound travels through all mediums solid, liquid, and gas. Because sound is a vibration it will travel fastest through solids. This is because the vibrations that make up sound are carried from one place to another by neighboring molecules vibrating against one another. The density of the solid is higher than liquid and gas which means the molecules are more tightly packed and the vibration can pass from one to the next more quickly.

7 0

3 years ago

if you do 100 j of work to elevate a bucket of water, what is the gravitational potential energy relative to its starting positi

Ymorist [56]

W=gPE the work done on the bucket is equal to the gravitational PE so PE=100j

8 0

3 years ago

What is the magnitude of the centripetal

zepelin [54]

Answer:

7.5

Explanation:

4 0

3 years ago

Read 2 more answers

our lab partner wears a new pair of sneakers to lab and, rather than performing the required experiments, you decide to measure

Dafna1 [17]

Answer:

The coefficient of static friction between your partner and the floor is 0.55

Explanation:

Given:

Mass $m = 59$ Kg

Frictional force $F_{s} = 318.3$ N

From the formula of frictional force,

$F_{s} = \mu_{s} mg$

Where $\mu _{s} =$ coefficient of static friction, $g = 9.8 \frac{m}{s^{2} }$

Put the above values and find the coefficient of static friction.

$318.3 = \mu_{s} \times 59 \times 9.8$

$\mu_{s} = 0.55$

Therefore, the coefficient of static friction between your partner and the floor is 0.55

4 0

3 years ago

study a 75kg person stands on a scale in an elevator what does read in n and in kg when the elevator is at rest?

Verdich [7]

To solve this problem we will use Newton's second law in order to obtain the weight of a person. The second law tells us that

F = ma

Where,

m = mass

a = Acceleration

In this particular case, the acceleration is equal to that exerted by the earth through gravitational acceleration, so if the person's weight is 75Kg and the gravity is $9.8m / s^2$ , the weight of the body will be,

$F_W =mg$

$F_W = (75kg)(9.8m/s^2 )$

$F_W = 735.75N$

When the elevator is at rest this reads 735.75N and 75Kg (The same mass of the person)

6 0

3 years ago