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Ivan
3 years ago
7

Which would show an example of how physical changes are reversible?

Physics
2 answers:
Rina8888 [55]3 years ago
7 0

Answer:

melting tin and then cooling it into a mold

Explanation:

laiz [17]3 years ago
3 0
Examples<span> of </span>reversible changes<span> include melting chocolate and </span>changing<span> it back into a solid by cooling it, and melting candle wax by heating it and solidifying the wax by cooling it. </span>Reversible changes<span> are </span>changes<span> that can be reversed. They are also known as </span>physical changes<span>.</span>
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How can we find the volume of a small pebble with the help of measuring cyilinder
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We can find the volume of a small pebble with the help of measuring cylinder by using the water displacement method. <span>The </span>water displacement method<span> <span>is the process of measuring the volume of an irregularly shaped object by immersing it in water. </span></span>I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

5 0
3 years ago
Describe at least 1 advantage and 1 disadvantaged to learning about a scientific discovery from
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A

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B

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3 years ago
Which of the following is a balanced equation?
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A. Na2S + 2KCI - 2NaCl + KZS

Explanation:

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An electron and an antielectron (positron) each have a rest energy of 0.511 MeV , or approximately 8.2×10−14 J . When an electro
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Answer:

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3 years ago
A convex lens has a focal length of 16.5 cm. Where on the lens axis should an object be placed in order to get a virtual, enlarg
alexandr402 [8]

Answer:

Object should be placed at a distance, u = 7.8 cm

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focal length of convex lens, F = 16.5 cm

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Magnification of lens, m = -\frac{v}{u}

where

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Now,

1.90 = \frac{v}{u}

v = - 1.90u

To calculate the object distance, u by lens maker formula given by:

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\frac{1}{16.5} = \frac{1.90 - 1}{1.90u}

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