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3 years ago

Evaporation only occurs at the surface of a liquid. true or false.

Physics

2 answers:

pentagon [3]3 years ago

8 0

False, the fluid can evaporate with its whole volume.

Lapatulllka [165]3 years ago

5 0

Evaporation only occurs at the surface of a liquid. TRUE

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If you and a friend are standing at opposites ends of a gymnasium and one of you claps, will the other hear the clap at the same

34kurt

Answer:

No. Your friend will not hear the clap when he/she sees it.

Explanation:

It takes time for sound waves to go through a large area. It takes longer if people are in the area rather than it is empty.

3 0

3 years ago

A manufacturer claims its cleanser works twice as fast as any other. Could test be performed to support the claim? Explain

lora16 [44]

Yes, a test could be performed to support the claim.

Hypothesis: The claim that a manufacturer’s cleanser works twice as fast as any other cleanser.

So, based from this hypothesis, we can perform the following tests:

We assign Cleanser A to the manufacturer that claims that their cleanser works twice as fast as any other cleanser and Cleanser B to the cleanser to be compared with.

1. Get two tiles and put the same amount of stain on them.

2. Apply Cleanser A on the first tile and Cleanser B on the second tile.

3. Apply the same amount of force in removing the stains on both tiles

4. Record the amount of time it takes to remove the stains on each tile.

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3 years ago

Which property determines and Adams ability to attract electrons shared in a chemical bond?

Bad White [126]

Answer:

Electronegativity

Explanation:

6 0

3 years ago

Read 2 more answers

A hazard sign has 3 identical

melomori [17]

Answer and Explanation: To know how much tape he will need, we have to calculate the perimeter of each parallelogram-shaped stripe.

Perimeter is the sum of all the sides of a figure.

For a parallelogram:

P = 2*length + 2*width

So, we need to determine width and length of the stripe.

Width is 3 inches. Length is the hypotenuse of the right triangle, whose sides are 6 and 18 inches. Then, length is

$h=\sqrt{18^{2}+6^{2}}$

$h=\sqrt{360}$

h = 19 in

Perimeter of the first stripe is

P = (2*19) + (2*3)

P = 44 inches

The hazard sign has 3 stripes. So total perimeter is

$P_{t}=$ 44 + 44 + 44

$P_{t}=$ 132 inches

To outline the parallelogram-shaped stripes, Charles need a total of 132 inches of tape. Since one roll has 144 inches, he will have enough tape to finish the job.

5 0

3 years ago

In the circuit shown, the galvanometer shows zero current. The value of resistance R is :

Tasya [4]

Answer:

its supposed to be (a) 1W

8 0

3 years ago