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3 years ago

What is the phase change called when a liquid changes to gas

Physics

2 answers:

Alexandra [31]3 years ago

7 0

When a liquid changes to gas, this phase change is called vaporization or evaporization.

Alja [10]3 years ago

4 0

It's
D. Vaporization

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Which of the following is not a mechanical form of energy?

taurus [48]

Answer:

The answer is Spring Potential

Explanation:

Because all the others are a mechanical form of energy

7 0

3 years ago

I need this done by tonight!! Can anyone help me please? Answer these 4 questions

VikaD [51]

Answer:

1. 14 g of chocolate mixture.

2. 24 fl oz of chocolate milk

3. 10 cups of chocolate milk.

4. 12½ cups.

Explanation:

From the question given above, the following data were obtained:

1 TBSP = 7 g

1 Cup = 8 fl oz

2 Table spoons (TBSP) for 1 cup (8 fl oz) of milk.

1. Determination of the mass of chocolate mixture in 1 cup of chocolate milk.

From the question given above,

1 Cup required 2 Table spoons (TBSP)

But

1 TBSP = 7 g

Therefore,

2 TBSP = 2 × 7 = 14 g

Thus, 1 Cup required 14 g of chocolate mixture.

2. Determination of the number fl oz of chocolate milk in 3 cups

1 Cup = 8 fl oz

Therefore,

3 Cups = 3 × 8

3 Cups = 24 fl oz

Thus, 24 fl oz of chocolate milk are in 3 cups.

3. Determination of the number of cups of chocolate milk produce from 20 TBSP.

2 TBSP is required to produce 1 cup.

Therefore,

20 TBSP will produce = 20/2 = 10 Cups.

Thus, 10 cups of chocolate milk produce from 20 TBSP.

4. Determination of the number of cups obtained from 100 fl oz chocolate milk.

8 fl oz is required to produce 1 cup.

Therefore,

100 fl oz will produce = 100 / 8 = 12½ cups.

Thus, 12½ cups is obtained from 100 fl oz chocolate milk.

4 0

4 years ago

The 1.5kg ball is launched straight upward with an initial velocity of 7m/s. What is the maximum height it will reach?

Temka [501]

Answer:

h = 2.5 m

Explanation:

Given that,

Mass of a ball, m = 1.5 kg

Initial velocity of the ball, u = 7 m/s

We need to find the maximum height reached by the ball. Let it is be h. Using the conservation of energy to find it such that,

$mgh=\dfrac{1}{2}mu^2\\\\h=\dfrac{u^2}{2g}$

Put all the values,

$h=\dfrac{7^2}{2\times 9.8}\\\\=2.5\ m$

So, it will reach to a height of 2.5 m.

8 0

3 years ago

In which box could “gas” be placed? <br><br> *C. W is not the answer

fredd [130]

It is U:move freely,and spread out

3 0

4 years ago

A rifle fires a 1.06 x 10-2-kg pellet straight upward, because the pellet rests on a compressed spring that is released when the

enyata [817]

Answer:

k = 2.65 10² N / m

Explanation:

As the pellets shoot up we can use energy conservation

Starting point. Compressed spring rifle

Em₀ = Ke = ½ k x²

Final point. Highest point of the path

$Em_{f}$ = U = m g y

Energy is conserved

Em₀ = Em_{f}

½ k x² = m g y

k = 2 m g y / x²

Let's calculate

k = 2 1.06 10⁻² 9.8 6.26 / (6.61 10⁻²)²

k = 2.65 10² N / m

5 0

4 years ago