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3 years ago

11

A century ago, swords were made from various metals, especially steel. The property that makes steel a good choice for sword mak

ing is _____.

2 answers:

8_murik_8 [283]3 years ago

8 0

Hardness and strength

andreev551 [17]3 years ago

3 0

<em>The answer to this question is strength</em>

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How are hypotheses tested?

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by making observation hope it's helpful

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2 years ago

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3 years ago

When the Moon orbits Earth, what is the centripetal force?

Troyanec [42]

Answer:

D

Explanation:

pls mark brainliest

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3 years ago

A 2N and 6N force pull on an object to the right and a 4N force pulls to the left a 0.5kg object. What is the net force on the o

Angelina_Jolie [31]

Explanation:

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2 years ago

If 1495 j of heat is needed to raise the temperature of a 351 g sample of a metal from 55.0°c to 66.0°c, what is the specific he

forsale [732]

The amount of heat needed to increase the temperature of a substance by $\Delta T$ is given by
$Q= mC_s \Delta T$
where m is the mass of the substance, Cs is its specific heat capacity and $\Delta T$ is the increase of temperature.

If we re-arrange the formula, we get
$C_s = \frac{Q}{m \Delta T}$
And if we plug the data of the problem into the equation, we can find the specific heat capacity of the substance:
$C_s = \frac{1495 J}{(351 g)(66.0^{\circ}C-55.0^{\circ}C)}=0.39 J/g^{\circ}C$

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3 years ago

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