Which physical property refers to the temperature at which a substance in a solid-state transforms to a liquid state?

2 answers:

5 0

<h2>The answer is C. Melsting point </h2><h3 /><h3>Explanation: The melting point of a substance is the temperature at which substance transforms from a solid state into a liquid state.</h3>

solmaris [256]2 years ago

3 0

Answer:

C: Melting point

Explanation:

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This question is in complete.The question is

A coin with a diameter 3.00 cm rolls up a 30.0° inclined plane. The coin starts out with an initial angular speed of 60.0 rad/s and rolls in a straight line without slipping. If the moment of inertia of the coin is(1/2) MR² , how far will the coin roll up the inclined plane (length along the ramp)? Hint: Conservation of mechanical energy.

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Explanation:

$mgh=mglSin\alpha =(1/2)Iw_{i}^{2}+(1/2)mv^{2}\\ v=wR\\Solve for L\\L=((1/2)(1/2)0.015^{2}*60^{2}+(1/2)(60*0.015^{2} ))/9.8Sin30\\ L=0.124m$

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