3 years ago

How could the combustibility of a substance influence how the substances used

1 answer:

3 0

Answer:

Combustibility is a measure of how easily a substance bursts into flame, through fire or combustion. This is an important property to consider when a substance is used for construction or is being stored. It is also important in processes that produce combustible substances as a by-product.

Explanation:

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The most common liquid on planet earth is

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The most common liquid on planet earth is water

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Solve each of the following problems to 3 sig figs and correct Sl units, showing all work.

Salsk061 [2.6K]

Answer:

every number to 3 sf = 1) 45.0 2) 250 3) 1.30

Explanation:

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3 years ago

A scientific hypothesis must be related to nature and be..

PSYCHO15rus [73]

Answer:

A scientific hypothesis must be tetable so it can become a scientific theory.

Explanation: I think

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3. Sailors use a capstan (shown below) to raise and lower the anchor. It takes two sailors located 1 meter from the center to tu

mr_godi [17]

Answer:

B. 2 meters.

Explanation:

To rotate the capstan a certain amount of torque is required, and if each sailor applies a force $F$ at a distance $D$ from the center, then for two sailors the total torque will be

$\tau = 2FD\\$ ;

therefore, for one sailor to apply the same torque it must be that the torque $\tau_2$ he applies must be equal to the torque that the two sailors applied:

$FD_2 =2FD$

which gives

$D_2 = 2D$ .

and since $D = 1\:meter$ ,

$\boxed{D_2 = 2\: meters}$

which is choice B.

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3 years ago

A man pushes a 10kg box with a constant acceleration of 5m/s2. What force is applied to the box?

drek231 [11]

FORMULA

$\boxed {F = m \times a}$

F = force
m = mass
a = acceleration

Using the formula

$F = 10 \times 5$

Multiply

$\boxed {\textsf {F = 10 N}}$

8 0

3 years ago

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