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4 years ago

Describe how substance move from one state to another

Physics

2 answers:

Ivan4 years ago

8 0

In large quantities, they're usually carried by the interstate trucking industry.

Mekhanik [1.2K]4 years ago

4 0

The temperature rises until the water reaches the next change of state — boiling. As the particles move faster and faster, they begin to break the attractive forces between each otherand move freely as steam — a gas. The process by which a substance moves from the liquid state to the gaseousstate is called boiling.

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HELP PLS !!!!!!!!!!!!!!!!!!!!]

irina [24]

Answer:

0.25

Explanation:

According to newtons law of motion

\sum F_x = ma

F_f = ma

nR = ma

nmg = ma

ng = a

n = a/g

g is the acceleration due to gravity

Given

a = 2.42m/s²

g = 9.8m/s²

Substitute into the formula;

n = 2.42/9.8

n = 0.25

Hence the coefficient of kinetic friction is 0.25

6 0

3 years ago

Imagine a sunny day at the pool. The sun is out and you are thinking about how the light travels from the sun and then hits the

Dovator [93]

Answer:

it evaporats

Explanation:

because the sun is so hot that the water will turn into gas hope i helped

5 0

4 years ago

Read 2 more answers

How much faster will a car be going if it accelerates at 1 m/s/s for a total of 60 seconds.

guajiro [1.7K]

Answer:

Vf = 60 [m/s]

Explanation:

To solve this problem we must use the following equation of kinematics.

$v_{f}= v_{i}+(a*t)$

where:

Vf = final velocity [m/s]

Vi = initial velocity = 0

a = acceleration = 1 [m/s^2]

t = time = 60 [m]

Now replacing:

Vf = 0 + (1*60)

Vf = 60 [m/s]

4 0

4 years ago

Can anyone help me with this physical science question?

NeX [460]

A wave is like a transport of energy ( think sounds waves or light waves)

They can be measured by the amplitude and the wavelength

4 0

4 years ago

I need the answers ASAP.

dsp73

Answer:

Explanation:

A) Large: As she opens her parachute, she begins to displace a large volume of air. This leads to a Large air resistance

B) increase, weight: As she falls, the air resistance force increases. Now there is a force acting in opposite directions to her weight.

C)Weight, Decelerate: The skydiver has only the downward force of her weight pulling down on her, so she starts to decelerate

D) Weight, Upward, Resultant:

Her weight is now equal to the upward force from the ground. Her resultant force is then zero

E) Increases, same, constant, resultant, terminal:

As she accelerates faster, the air resistance force increases. It is now the same as her weight. She now moves at a constant speed because the resultant force acting on her is zero. She is now at her terminal velocity.

F) Increases, same, constant, terminal:

As she decelerates, the air resistance force on her parachute increases until it is the same as her weight. She is now moving with a constant speed until she hits the ground - a new slower terminal velocity

4 0

3 years ago