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3 years ago

Is water wet? What is your reasoning for thinking this?

Physics

2 answers:

timurjin [86]3 years ago

4 0

Yes,because when you touch water or gets on you what do you feel it wet right? therefore water is wet

S_A_V [24]3 years ago

3 0

So I would say (a) water isn't always wet; wetness is always relative to a given substance and/or type of surface and (b) as to why it is wet when it is, presumably the answer is in terms of surface tension.

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gavmur [86]

Answer:

the physical phenomenon produced by moving electric charge

Explanation:

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3 years ago

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A web page designer creates an animation in which a dot on a computer screen has a position of r⃗ =[ 4.50 cm +( 2.90 cm/s2 )t2]i

VMariaS [17]

Answer:

V = (5.8cm/s)i, (4.7cm/s)j

Explanation:

Given :

r⃗ =[ 4.50 cm +( 2.90 cm/s2 )t2]i^+( 4.70 cm/s )tj^

To obtain the average velocity (V)

V = (r2 - r1) / (t2 - t1)

To obtain r1 and r2, substitute t1 = 0 and t2 = 2 respectively in the equation above

r1 = [ 4.50 cm +( 2.90 cm/s2 ) 0]i^+( 4.70 cm/s )0 j

r1 = 4.50 cm + 0 + 0 = (4.50cm)i + 0j

r2 = [ 4.50 cm +( 2.90 cm/s2 )2²]i^+( 4.70 cm/s )2 j

r2 = 4.50cm + (2.90 × 4)i + (4.70 × 2)j

r2 = (16.1cm)i + (9.4cm)j

V = [(16.1 - 4.50)i - (9.4 - 0)j] / 2 - 0

V = 11.6i / 2 ; 9.4j / 2

V = (5.8cm/s)i, (4.7cm/s)j

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3 years ago

Does pressure change faster as you move horizontally or vertically? explain reasoning

ANTONII [103]

Answer:

Vertically

Explanation:

Pressure changes faster as we move vertically because as we go to the height from the surface of the earth. The density of air becomes lesser in comparison with the surface of the earth. So, as we move vertically pressure moves faster than in comparison with the vertical movement.

The best example that describes the above statement is the hill station.

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Roman55 [17]

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inysia [295]

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