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Ira Lisetskai [31]
3 years ago
10

What is a plane mirror ? ​

Physics
1 answer:
g100num [7]3 years ago
6 0

Answer:

A plain mirrior is a mirrior with flat reflective surface.

hope it is helpful for you.

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How much heat is lost by 2.0 grams of water if the temperature drops from 31 °C to 29 °C? The specific heat of water is 4.184 J/
Elanso [62]

Given :

Mass of water, m = 2 grams.

The temperature of water drops from 31 °C to 29 °C .

The specific heat of water is 4.184 J/(g • °C).

To Find :

Amount of heat lost in this process.

Solution :

We know, heat lost is given by :

Heat\ lost,H = ms( T_f - T_i)\\\\H = 2\times 4.184 \times ( 31 - 29 )\ J\\\\H = 16.736\ J

Therefore, amount of heat lost in this process is 16.736 J.

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If someone walkes 1000m <br> in 20min, what is their speed?
slava [35]

Answer:

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Hope this helps, thank you !!

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lorasvet [3.4K]

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Explanation:

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3 years ago
Question 10 of 10Which statements are true?Check all that apply.O A. If heat is added to a substance, the temperature alwaysincr
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The true statements are B and C.

This comes from the following facts:

Even when heat is added to a substance in a change of phase the temperature does not increases since this heat is latent heat.

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The acceleration due to gravity on Jupiter is greater than that on Earth. On Jupiter, a person will weigh ______.
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A person will weigh more

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