As the speed of a fluid increases, ____.a. the pressure decreases
c. the force decreases
b. the pressure increases
d. the volume decreases

Answers

Answer 1

Answer: The correct answer for the question that is being presented above is this one: "a. the pressure decreases." As the speed of a fluid increases, the pressure decreases." The relationship of the speed and the pressure is inversely proportional. As the pressure increases, the speed decreases.

Answer 2

Answer:

Answer:

a. the pressure decreases

Explanation:

If we assume here the flow of the fluid to be ideal flow such that there is no viscous loss in the fluid then in this case we can say that Bernoulli's theorem is valid here.

so here we can say

$P + \frac{1]{2}\rho v^2 = constant$

now here from above equation we can say that sum of pressure and kinetic energy of fluid will remain constant always

Now if speed of flow of the fluid is increased then to sum remain constant in ideal flow the pressure must have to decrease here.

so correct answer would be

a) the pressure decreases

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You want to set up an aquarium and need to determine what size tank to buy. The graph shows tank sizes using a rule that relates the capacity of the tank to the combined lengths of the fish it can hold.If you want four 2-inch platys, three 1-inch guppies, and a 3-inch loach, what is the smallest capacity tank you can buy?

17-gallon tank
13-gallon tank
15-gallon tank
14-gallon tank

Answers

The minimum volume of the tank required for combined lengths of the fish is $\boxed{15\,{\text{gallons}}}$ .

Further Explanation:

The graph between the capacity of the tank and the combined length of the fishes present in the tank starts from the point $\left( {0,1} \right)$ and further it passes through the point $\left( {3,4} \right)$ .

The expression for the slope of the graph is as given below.

$m = \frac{{{y_2} - {y_1}}}{{{x_2} - {x_1}}}$

Substitute the co-ordinates of the points in equation of slope.

$\begin{aligned}m&= \frac{{4 - 1}}{{3 - 0}}\n&= (3)/(3)\n&= 1\n\end{aligned}$

The y-intercept of the graph is $1$ .

Write the expression for the equation of line of the graph.

$y = mx + c$

Substitute $1$ for $m$ and $1$ for $c$ in above expression.

$\begin{aligned}y&= \left( {1 \cdot x} \right) + 1 \hfill\ny&= x + 1 \hfill\n\end{aligned}$

The total length of all the fishes present inside the tank is.

$\begin{aligned}{L_(total)} &= \left( {4 * 2} \right) + \left( {3 * 1} \right) + \left( {1 * 3} \right) \n&= 8 + 3 + 3\n&= 14\,{\text{inches}}\n\end{aligned}$

Since the length of the fishes is given on the x-axis, substitute $14\,{\text{inches}}$ for $x$ in equation of line of the graph.

$\begin{aligned}y&= 14 + 1\n&= 15\,{\text{gallons}}\n\end{aligned}$

Thus, the minimum volume of the tank required for combined lengths of the fish is $\boxed{15\,{\text{gallons}}}$ .

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Answer Details:

Grade: High School

Chapter: Units and Measurements

Subject: Physics

Keywords: Aquarium, size of tank, capacity of the tank, combined lengths, the fish, platys, guppies, loach, inch, smallest capacity, gallon.

connexus unit 8 lesson 1 PRACTICE!

1) B

2) C

3) A

4) C

5) B

6) A

7) D

8) A

9) D

10) A

11) A

12) C

13) D

14) C

15) B

16) B

Hope this helps you guys out!

Which of the following statements is true about the nature of light?A. Light behaves entirely as a particle
B. Light has properties of both particles and waves
C. Light behaves entirely as a wave
D. Light travels as a wave but does not carry energy ...?

Answers

Answer: The correct answer is "Light has properties of both particles and waves".

Explanation:

Light shows dual nature. It behaves as particle as well as waves.

Photoelectric effect is the phenomenon in which there is an emission of the electrons when the light of the particular frequency is incident on the surface of the metal.

The particle nature of the light is shown by photoelectric effect.

Reflection: Reflection is the phenomenon in which the light wave gets reflected from the surface without getting transmitted. It bounces back from the surface.

The wave nature of the light is shown by reflection.

Therefore, the correct option is (B).

If you build an experiment that responds to particles and shine light
into it, the light behaves like a stream of particles.

If you build an experiment that responds to waves and shine light
into it, the light behaves like a stream of waves.

B. Light has properties of both particles and waves

What is an anemometer used to measure?

Answers

An anemometer is used to measure wind speed. It is commonly found in weather stations.

Answer:

air speed

Explanation:

took the exam

a body that has a mass of 0.04 k g is thrown up with a speed of 60m/s. Kinetic energy? a) in the begining,b)after 6 seconds

Answers

Answer:

rhtnyhjukjhngccdvfnrtj tv drbrbfntjjz

A disturbance that transfers energy from place to place is called aa. wave.
b. medium.
c. vibration.
d. compression.

Answers

The term 'wave' is used to refer to a disturbance that transfers energy from one place to another. Waves move energy, not matter, over distances.

The correct option is A.

In groundwater, a "wave" refers to the movement of water through porous subsurface materials, such as soil or rock. These waves can be influenced by various factors, including hydraulic gradients, geological properties, and recharge rates. Groundwater waves can propagate both vertically and horizontally, affecting the flow and distribution of groundwater in underground aquifers. Understanding these waves is crucial for managing and sustaining groundwater resources, as they impact water availability, quality, and the overall behavior of aquifer systems, influencing vital aspects of groundwater management and environmental conservation.

A disturbance that transfers energy from place to place is called a wave. Waves move energy, not matter, across distances. An easy example to visualize this concept is if you throw a pebble into a pond. The energy created by the pebble's impact causes ripples, or waves, to move out from the point of impact. In this case, the water itself doesn't travel across the pond - only the energy does. The other terms - medium, vibration, and compression, all play roles in the transmission of waves, but they are not the name for the energy transfer itself. A medium is what a wave moves through (like air or water), a vibration is a type of movement that can create waves, and a compression is a part of a certain kind of wave. However, the correct term for the energy transfer you're describing is 'wave'.

Hence The correct option is A.

Learn more about Wave here:

brainly.com/question/26994050

#SPJ6

Answer: Option (a) is the correct answer:

Explanation:

A wave is defined as the transfer of energy from one place to another and no exchange of matter.

Whereas medium is a substance through which wave or energy can be transported from one point to another.

On the other hand, vibration is the back and froth motion of particles of a substance or matter.

And compression means to bring the particles of a substance together by increasing the pressure.

Thus, we can conclude that a disturbance that transfers energy from place to place is called a wave.

A 2.50 × 105 W motor is used for 26.4 s to pull a boat straight toward shore. How far does the boat move toward shore if a force of 4.20 × 104 N is applied by the motor?

Answers

The power of the motor is
2.50x10⁵ W
or
2.50x10⁵ N m/s

The time it takes to pull the boat is
26.4 s

The force applied is
4.20x10⁴ N

The distance traveled by the boat is
2.50x10⁵ N m /s (26.4 s) / (4.20x10⁴ N)
= 157.14 m

Answer:

157 m

Explanation:

right on ed2020

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