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4 years ago

11

What two properties show that the drink is a fluid ( girl drinking fruit punch out of a clear glass cup with a straw.)

2 answers:

jeka944 years ago

5 0

Answer:

The answer to your question is given below

Explanation:

The properties that shows that the drink is a fluid includes:

1. She is able to drink the fluid with a straw. Fluid has capacity to flow. Since the drink can flow through the straw to get to the girl's mouth, then, the drink can be said to be a fluid.

2. The drink occupy a specific volume of the clear glass cup. We can easily see the volume occupied by the fluid through the clear glass cup. Since the drink occupies a particular volume in the clear glass cup, the drink is obviously as fluid

Ainat [17]4 years ago

3 0

It takes the shape of the cup and it can be sucked through a straw

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MaRussiya [10]

Explanation:

It is given that,

Mass of lithium, $m=1.16\times 10^{-26}\ kg$

It is accelerated through a potential difference, V = 224 V

Uniform magnetic field, B = 0.724 T

Applying the conservation of energy as :

$\dfrac{1}{2}mv^2=qV$

$v=\sqrt{\dfrac{2qV}{m}}$

q is the charge on an electron

$v=\sqrt{\dfrac{2\times 1.6\times 10^{-19}\ C\times 224\ V}{1.16\times 10^{-26}\ kg}}$

v = 78608.58 m/s

$v=7.86\times 10^4\ m/s$

To find the radius of the ion's path in the magnetic field. The centripetal force is balanced by the magnetic force as :

$qvB=\dfrac{mv^2}{r}$

$r=\dfrac{mv}{qB}$

$r=\dfrac{1.16\times 10^{-26}\ kg\times 7.86\times 10^4\ m/s}{1.6\times 10^{-19}\ C\times 0.724\ T}$

r = 0.0078 meters

So, the radius of the path of the ion is 0.0078 meters. Hence, this is the required solution.

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3 years ago

Liquid water at 120 kPa enters a 7-kW pump where its pressure is raised to 5.6 MPa. If the elevation difference between the exit

ziro4ka [17]

Answer:

The answer is given below

Explanation:

Things provided in the statement:

Pressure <em>P1</em> = 120 kPa and <em>P2</em> = 5.6 MP or 5600 kPa

Power, <em>W</em> = 7 kW

Elevation difference = ∆z = 10 m

Mass of flow = m˙

So potential energy changes may be significant

Specific volume of water V= 0.001 m³/kg

Now putting the values in the formula

Power, <em>W </em>= m˙ x V (<em>P1 - P2</em>) + m˙ x g x ∆z

7 = m˙ x 0.001 (5600 - 120 ) + m˙ x 9.8 x 10 x (1 kJ/kg/ 1000 m^2/s^2)

7 = m˙ x 5.48 + m˙ x 0.098

7 = m ˙x 5.38

m˙ = 7/5.38

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3 years ago

The student concluded that the current in the LDR is inversely proportional to the potential difference across the LDR. Explain

Andrej [43]

Answer:

The graph shows direct proportion because it is a straight line

through the origin.

Explanation:

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