3 years ago

Explain why you poured the water into water before you identify the smell ?

1 answer:

6 0

The dehydrated water had to be reconstituted by mixing it well
with water before its characteristic olfactory molecules could be
released and dispersed throughout the room to yield the familiar
heady bouquet.

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The air in a kitchen has a mass of 60.0kg and a specific heat of 1505J/(kg°C).

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Your answer is 632,100J which is Choice D

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4 years ago

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A ball is dropped from an upper floor, some unknown distance above your apartment. As you look out of your window, which is 1.50

laila [671]

Answer:

The ball is dropped at a height of 9.71 m above the top of the window.

Explanation:

<u>Given:</u>

Height of the window=1.5 m
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Now using equation of motion in one dimension we have

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Let u be the velocity of the ball when it reaches the top of the window

then

$1.5=0.15u+\dfrac{9.8\times0.15^2}{2}\\u=3.96\ \rm m/s\\$

Now u is the final velocity of the ball with respect to the top of the building

so let t be the time taken for it to reach the top of the window with this velocity

$3.96=gt\\t=0.4\ \rm s\\$

Let h be the height above the top of the window

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3 years ago

Reactions that release energy into the environment in the form of heat

meriva

DEFINITION:::::;;The type of reactions in which energy is releases to the environment are called Exothermic reactions.

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Hope it helps

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Question 3 (1 point)

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B) 18.5 m/

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Scalar quantity has MAGNITUDE only

Vector quantity has MAGNITUDE and DIRECTION

Hope this is correct and helpful

HAVE A GOOD DAY!

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4 years ago