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3 years ago

Can Jet Fuel burn through Steel Pipes?

1 answer:

8 0

Burning jet fuel is not hot enough to fully melt steel. Burning jet fuel, however, is more than hot enough to weaken steel.

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Select the correct answer. In a given chemical reaction, the energy of the products is greater than the energy of the reactants.

ioda

B. Energy is released in the reaction... just looked it up!

3 0

3 years ago

A baseball is thrown straight up. the drag force is proportional to v2. part a in terms of g, what is the y-component of the bal

steposvetlana [31]

At the position of terminal speed the net acceleration of the ball will become zero

As we know that terminal speed will always reach when net force on the ball is zero and its speed will become constant.

So here at this position we can say

$F_d = F_g$

$kv^2 = mg$

$v =\sqrt{\frac{mg}{k}}$

now when ball is moving at half of the terminal speed in upward direction then net force on the ball in downwards direction will be

$F_{net} = mg + F_d$

$F_{net} = mg + kv^2$

here speed of the ball is half of the terminal speed

$v = \frac{1}{2}*\sqrt{\frac{mg}{k}}$

then we have

$F_{net} = mg + k*\frac{mg}{4k}$

$F_{net} = \frac{5mg}{4}$

now acceleration will be given as

$a = \frac{F_{net}}{m}$

now we have

$a = \frac{5g}{4}$

$a = 12.25 m/s^2$ downwards

7 0

3 years ago

. An experimental rocket plane lands on skids on a dry lake bed. If it’s traveling at 80.0 m/s when it touches down, how far doe

kobusy [5.1K]

Answer:

1. A substance that can be separated into two or more substances only by a chemical change is a(n) _____.

solution

element

mixture

compound

Which of the following materials is a substance?

air

gasoline

stainless steel

silver

The first figure in a properly written chemical symbol always is _____.

boldfaced

capitalized

italicized

underlined

Which of the following represents a compound?

H-3

H2O

O-16

5. What do chemical symbols and formulas represent, respectively?

elements and compounds

atoms and mixtures

compounds and mixtures

elements and ions

Explanation:

5 0

2 years ago

A car travels at a speed of 40 km/h for 1 1/2 hours. How far does the car travel?

Iteru [2.4K]

Bouta catch these free points lmaoooo hey grace Im right next to you lololololol

BUT HEY YALL WE NEED THIS ANSWER ASAP

7 0

3 years ago

A 238 N force is applied to a 25 kg object. What is the object's acceleration?

Ganezh [65]

Answer:

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

$a = \frac{f}{m} \\$

f is the force

m is the mass

From the question we have

$a = \frac{238}{25} \\ = 9.52$

We have the final answer as

Hope this helps you

7 0

3 years ago