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Karolina [17]
3 years ago
5

Water stored in a reservoir is used to generate electricity as it flows down and into a river. The river flows to the ocean, whe

re it evaporates to form clouds. Rain falls from the clouds into streams that flow into the reservoir. Put the locations of the water in order of most potential energy to least potential energy. Assume the amount of water in each place is the same. These are the locations: 1. where it enters the river from the reservoir, 2. when it is in the ocean, 3. when it is in the reservoir, and 4. when it is in the clouds. Explain the basis for the order you chose.
Physics
1 answer:
Thepotemich [5.8K]3 years ago
7 0

where is there started interested
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A torque acts on a wheel rotating at 19.8 rad/s and increases its angular speed to 23.5 rad/s in 11.2 s. Find the angle through
faltersainse [42]

243 rad is the angle through which the wheel turns during this time.

<h3>What is torque and angular speed?</h3>

Torque is a measure of the force that can cause an object to rotate about an axis.

Angular speed is define as  the measuring angle of rotation over a given amount of time.

Mathematically , ω = θ t

From the given question ,

Torque = 19.8 rad/s

ω = 23.5 rad/s

t = 11.2 s

We get the equation,

\frac{ 19.8 +23.5}{2} * 11.2

= 243 rad

Learn more about Angular momentum here:

brainly.com/question/15104254

#SPJ1

7 0
2 years ago
A 55.0 kg bungee jumper steps off a bridge with a light bungee cord tied to her and to the bridge. The unstretched length of the
lianna [129]

Answer:

69.06\ \text{N/m}

Explanation:

m = Mass of bungee jumper = 55 kg

g = Acceleration due to gravity = 9.81\ \text{m/s}^2

h = Height at the bottom = 40 m

k = Spring constant

x = Displacement of bungee cord = 25 m

Applying the principle of conservation of energy to the system we have

mgh=\dfrac{1}{2}kx^2\\\Rightarrow k=\dfrac{2mgh}{x^2}\\\Rightarrow k=\dfrac{2\times 55\times 9.81\times 40}{25^2}\\\Rightarrow k=69.06\ \text{N/m}

The spring constant of the bungee cord is 69.06\ \text{N/m}.

5 0
3 years ago
When illuminated with monochromatic light, a double slit produces a pattern that is a combination of single-slit diffraction and
d1i1m1o1n [39]

Answer:

The ratio is  k:d = 1 : 5

Explanation:

From the question we are told that

   The first minimum of the single slit pattern falls on the fifth maximum of the double slit pattern.

Generally the condition for constructive interference for as single slit is  

     ksin(\theta) = n\lambda

Here  k is the width of the slit  and n is the order of the fringe and for single slit n =  1 (cause we are considering the first maxima)

Generally the condition for constructive interference for as double slit is    

        dsin\theta = m\lambda

Here  d is the separation between the  slit  and m is the order of the fringe and for double slit  m  =  5  (cause we are considering the first maxima)

=>     dsin\theta = 5\lambda

So

       \frac{ksin(\theta)}{dsin(\theta)}  = \frac{\lambda}{5\lambda}

=>    \frac{k }{d}  = \frac{1}{5}

So  

      k:d = 1 : 5

5 0
3 years ago
What is the difference between the organic material from which coal forms and the organic material from which petroleum and natu
Wewaii [24]

I think one of them is composed primarily of plant material,
and the other is composed primarily of dead dinosaurs.

4 0
4 years ago
Alex swims at an average speed of 4.5 m/s how far does he swim in one minute 24 seconds
Zepler [3.9K]

Answer:

378

Explanation:

60 seconds in one minute

add the 24 seconds

multiply it by 4.5

60 + 24 = 84

4.5 x 84 = 378

8 0
3 years ago
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