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3 years ago

Which change of state is shown in the model?

Physics

2 answers:

Masja [62]3 years ago

7 0

Sublimation is the state shown in the model

zheka24 [161]3 years ago

5 0

<h2>Hello!</h2>

The answer is: Sublimation.

From the model, we have that the phase transition type is sublimation since there is a substance in the solid phase changed to the gas phase.

Sublimation is the process where a substance changes its phase (state) from solid to gas phase without passing through the liquid phase.

When the molecules of a substance are joined, meaning that the space between them is minimum, it's called a solid phase.

When the molecules of a substance are separated, even more than they are in the liquid phase, there is a new phase called the gas phase.

Have a nice day!

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Helen [10]

Your weight on the moon given the data from the question is 110.5 N

<h3>Definition of mass and weight </h3>

Mass is simply defined as the quantity of matter present in an object. The mass of an object is constant irrespective of the location of the object.

Weight is simply defined as the gravitational pull on an object. The weight of an object varies from place to place due to gravity.

<h3>Relationship between mass and weight </h3>

Mass and weight are related according to the following equation

Weight (W) = mass (m) × Acceleration due to gravity (g)

<h3>How to determine the weight on the moon</h3>

Mass (m) = 65 Kg
Acceleration due to gravity on the moon (g) = 1.7 m/s²
Weight (W) =?

W = mg

W = 65 × 1.7

W = 110.5 N

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1 year ago

Determine the maximum theoretical speed that may be achieved over a distance of 66 m by a car starting from rest, knowing that t

My name is Ann [436]

Answer:

v=32.49 m/s

Explanation:

Given that

Distance ,d= 66 m

Initial speed of the car ,u = 0 m/s

Coefficient of friction ,μ = 0.8

Lets take the total mass of the car = m

The acceleration of the car is given as

a = μ g ( g= 10 m/s² )

Now by putting the values in the above equation we get

a= 0.8 x 10 m/s²

a= 8 m/s²

We know that ,final speed is given as

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Now putting the value

v²=0² + 2 x 8 x 66

v²= 1056

v=32.49 m/s

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2 years ago

Your mass is 65 kg. you stand on a bathroom scale in an elevator on earth. (a) what force would the scale exert when the elevato

erik [133]

I think you would use F = ma
F = 65*10
F = 650N
(The 10m/s is from acceleration due to gravity)

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