1. What types of emergency situations could
rescue workers be in that would make it
difficult for them to get energy to their
electrical devices?

Answers

Answer 1

Answer:

  large-scale natural disasters

Explanation:

The niceties of civilization are generally unavailable over wide areas when they are affected by ...

hurricanesearthquakestornadoes

Such situations often require rescue workers.

Answer 2

Situations such as:

natural disasters, such as flooding.fire disasters

First, we wonder, who are rescue workers? Basically speaking, a rescue worker is anyone who is trained to bring people out of any harm, danger, or threat that may come their way.

|n such emergency situations, power lines are usually down, and so it may be difficult for them to get the energy needed to power their  electrical devices.

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Related Questions

PLEASE HELPPP YALL
Please help me with this question; with steps though because I have to show my work. Thank you. I'll give brainliest to first response and five star ratings!! Please helppppp

Answers

Explanation:

Just shift everything except r to the other side.

[tex]r = \sqrt{ \frac{3v}{\pi \: h} } [/tex]

what is meant by the efficiency of a machine is 80%​

Answers

Answer:

It means that 80% of our effort is converted to useful whereas 20% of our effort is wasted to overcome frictional and gravitational force.

Answer:

It means that the total energy produced by the machine is 80 percent and remaining 20 percent is wasted in the term of heat deu to friction.

Hope it is helpful !

Subduction occurs when:

-a plate with continental crust sinks beneath a plate with
oceanic crust

-a plate with oceanic crust sinks beneath a plate with
continental crust

-two plates move apart from one another

two plates slide past one another​

Answers

Explanation:

a plate with oceanic crust sinks beneath a plate with

continental crust is the answer

Need help! Photo says all! Will mark brainliest :)

Answers

Answer:

number 2!

Explanation:

Answer:

2s to 4s

Explanation:

Since the graph measures acceleration over time, when the line does not move up or down is when you can see a constant velocity.

The idea that people behave in odd ways on a full moon is an example of a limitation of science. a characteristic of science. pseudoscience. scientific knowledge.

Answers

Answer:

Pseudoscience

Explanation:

Because its is based on beliefs with a explanation

Answer:

The answer to your question is B.pseudoscience

Explanation:

Pseudoscience means a collection of beliefs or practices mistakenly regarded as being based on scientific method.

I also did the test and got a 100 % on it.

PLZ MARK BRAINLIEST

Infrequent urination, dry skin, and dizziness are all symptoms of __________.
A. dehydration
B. food poisoning
C. heat stroke
D. sunburn

Answers

Answer:

dehydration

Explanation:

The Answer is A. Dehydration

2. The speed of light is 299,792,000m's. What is the speed in km's?​

Answers

Answer:

299 792 kilometers

Explanation:

Which refers to the ends of a magnet where the forces are strongest?
A) attracting forces
B) opposing forces
C) magnetic fields
D) magnetic poles

Answers

A material that produces magnetic field are called magnets. Magnetic poles refers to the ends of a magnet where the forces are strongest.

What are magnetic poles?

Magnetic poles are the regions at each end of a magnet where the external magnetic field is strongest.

A bar magnet suspended in the Earth's magnetic field orients itself north-south. A north magnetic pole is the north-seeking pole of such a magnet or any similar pole.

Thus, the correct option is D.

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Answer:

D magnetic poles-

Explanation:took test

Examine the diagram of the cell cycle.
Which label identifies the stage in which the DNA is
copied and the cell grows?
Y
Z
Ow
OX
X
O z
W

Answers

Answer:

W

Explanation:

its the longest period of time

3. A model rocket is launched straight upward at 58.8 m/s.
a. How long does it take for the rocket to reach its peak height?
b. what is the total time of flight of the model rocket ?
c. what is the peak height of the rocket from the ground ?

Answers

Answer:

a). 6 seconds

b). 12 seconds

c). 176.4 meters

Explanation:

a). Equation to be applied to calculate the time taken by the rocket to reach at the peak height,

   v = u - gt

where v = final velocity

u = initial velocity = 58.8 m per sec

g = gravitational pull = 9.8 m per sec²

t = duration of the flight

At the peak height,

v = 0

Therefore, 0 = 58.8 - (9.8)(t)

t =  [tex]\frac{58.8}{9.8}[/tex]

 = 6 seconds

b). Total time of flight = 2(Time taken to go up)

                                    = 2×6

                                    = 12 sec

c). Formula to get the peak height is,

   [tex]h=ut-\frac{1}{2}gt^2[/tex]

   h = (58.8)6 - [tex]\frac{1}{2}(9.8)(6)^2[/tex]

      = 352.8 - 176.4

      = 176.4 meters

in which state of matter are particles spread farthest apart from another?

Answers

Gas particles are farthest apart from eachother.

Solid particles are tightly packed.

Liquid particles are somewhat loose.

Gas particles are rapidly moving and are farthest apart.

:D

Gas particles are spread farther apart from each other.

What is gas and its characteristics?

Gas is a state of matter that has no fixed shape and no fixed volume.

Gases have a lower density than other states of matter, such as solids and liquids.

There is a great deal of empty space between particles, which have a lot of kinetic energy and aren't particularly attracted to one another.

The main characteristics of matter are:

(1) they are easy to compress,

(2) they expand to fill their containers, and

(3) they occupy far more space than the liquids or solids from which they form.

In a gas, particles are in continual straight-line motion.

The kinetic energy of the molecule is greater than the attractive force between them, thus, they are much farther apart and move freely of each other.

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A ball rolling down a hill was displaced 21.9 m while uniformly accelerating from rest. If the final velocity was 7.14 m/s, what was the rate of acceleration?

Answers

Answer:

a = 1.16 m/s²

Explanation:

In order to find the acceleration of the ball we will use 3rd equation of motion.

2as = Vf² - Vi²

where,

a = acceleration = ?

s = displacement = 21.9 m

Vf = Final Velocity = 7.14 m/s

Vi = Initial Velocity = 0 m/s (Since, ball starts from rest)

Therefore, using the values, we get:

2a(21.9 m) = (7.14 m/s)² - (0 m/s)²

a = (50.97 m²/s²)/(43.8 m)

a = 1.16 m/s²

Could I get some help with this

Answers

please give me brainlest!!

the answer is A.

If you run 12 km at an average speed of 4 km/h, how
much time does it take?

Answers

Answer:

3 hours, I think

Explanation:

Answer:

3

Explanation:

Name three properties that can be observed in a substance.​

Answers

Color, Opacity, Hardness

The three properties that can be observed in a substance will be density, physical state, and color.

What is the substance?

A kind of matter with predictable chemical composition and physical characteristics is referred to as a chemical substance. According to certain texts, a chemical compound cannot be physically divided into its component parts without rupturing chemical bonds.

A substance's physical property is a quality that can be seen or quantified without affecting the substance's identity. Color, density, hardness, and boiling and melting points are examples of physical qualities. The capacity of a material to go through a certain chemical transition is described by its chemical property.

The three properties that can be observed in a substance will be density, physical state, and color.

The three characteristics of a substance that can be seen are its density, physical condition, and color.

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1. Why should you use scientific notation when writing big numbers?

Answers

Answer:

It helps the answer look clean. It also makes the work easier to work with.

Explanation:

Instead of writing a lot of zeros, all you have to do is add exponents to the number to show how much the decimal moved.

The leaves on the second plant specimen were green, while the leaves on the first plant specimen were turning brown.
Group of answer choices

Quantitative Data

Qualitative Data

Answers

It’s qualitative data because quantitive means it has to do with numbers while qualitative means it simply has to do with characteristics.

A Tale f Two Elephants

1. what organisms are shown?

2. Do they look the same?

3. Do the pictures show the same species?

4. How are they similar?

5. How are they different?​

Answers

Answer:

u need it now?

Explanation:

I'll answer it

Based on the diagram above, the organisms that are shown are elephants.

What is a species?

A species simply refers to a biological classification of related organisms that have the same (similar) characteristics and they are capable of mating (breeding) with one another in a cycle (different seasons).

Based on the diagram above, we can logically deduce that the organisms shown are species of elephants and they look similar due to the following points:

They both have a single tail.They both have ears.They both have four legs.They both have tusk.

However, an obvious difference between them is the number of tusk.

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Which planets are considered “rocky planets”?

Answers

Answer:

There are four rocky, or terrestrial, planets: Mercury, Venus, Earth, and Mars. These planets are called terrestrial planets because they are made up of rocks and metals and have solid surfaces.

Explanation:

Mercury, Venus, Earth and Mars are the four rocky planets

If a leftward force on a box is 5N and the rightward force on a box is 3 N, the net force on the box is____________ and it is moving to the_______________

Answers

Answer:

The net force on the box is 2N and it will make the box to move in a leftward direction

Explanation:

We should understand first of all that forces are vectors. This means that they have both magnitude and direction.

The next thing we will need to do is to set a coordinate system. Let the leftward forces be negative while the rightward forces are positive.

That means that the equivalent forces on the box will be -5N + 3N = - 2N

Hence, the net force on the box is 2N and it will make the box to move in a leftward direction

1. A gas has a volume of 300 mL at 40 kPa of pressure. What will its volume be if the pressure is changed
to 80 kPa?
How to work it out?

Answers

Answer:

V₂ = 150 mL

Explanation:

Given that,

Initial volume of a gas, [tex]V_1=300\ mL[/tex]

Initial pressure, [tex]P_1=40\ kPa[/tex]

We need to find the volume of gas if the pressure is changed to 80 kPa. Boyle's law states that the relationship between pressure and volume is inverse. Mathematically,

[tex]P_1V_1=P_2V_2[/tex]

[tex]V_2=\dfrac{P_1V_1}{P_2}\\\\V_2=\dfrac{300\times 40}{80}\\\\V_2=150\ mL[/tex]

So, the new volume is 150 mL.

Igneous rocks that form under conditions of fast cooling are said to be

Answers

The answer is: extrusive

Plug variables expressed in SI units in the kinematic equation given in article: a = -v0^2/(2sg). What value of g you get as expressed in g's where g = 9.8 m/s^2 1 point the same as in English units smaller larger this calculation cannot be performed in SI units If the initial velocity of player is doubled then the absolute acceleration would * 1 point decrease 2x stays the same increase 2x increase 4x If stopping distance is decreased 2x then the acceleration would * 1 point decrease 2x stay the same increase 2x increase 4x Other: Hockey player having initial velocity 20 m/s and helmet having padding 5 cm hits head on his twin brother. The acceleration of his brain is most closely equal to * 1 point 0.4g 4g 40g 400g

Answers

Answer:

1) acceleration is increased by a factor of four 4X

2) the acceleration increases a factor of 2X

3) the correct answer of 400g

Explanation:

This is a kinematics exercise, where you use the velocity equation to obtain the acceleration, with the final velocity equal to zero.

           v² = v₀² + 2 a x

           0 = v₀² + 2 a x

           a = - v₀² / 2 x

           

In the case of wanting to give the acceleration as a function of g, we can find the relationship between the two quantities

         a / g = - v₀² / (2 x g)

Let's answer the different questions about this equation

1. The initial velocity is doubled, how much the acceleration is worth

           

       a/g = - (2v₀) 2 / 2xg

       a = 4 (-v₀² / 2xg) g

acceleration is increased by a factor of four 4X

2. if the stopping distance is reduced by 2, that is, x = x₀ / 2

we substitute

        a/g = (- v₀² / 2g) 2/x

         

        a =2  (-v₀² / 2x₀g)  g

       

therefore the acceleration increases a factor of 2X

3. the initial velocity of the hockey player is v₀ = 20 m / s and the stopping distance is

x = 5cm = 0.05m

we calculate the acceleration

        a / g = - 20² / (2 0.05)

        a / g = - 4000 / g

        a / g = - 4000 / 9.8 = 408

        a = 408 g

the correct answer of 400g, the value matches exactly if g = 10 m / s2 is taken

Which is a limitation of using cellulose?
its lack of mass production
its lack of biodegradability
3
its harm to landfills
O its high cost to recycle

Answers

Answer:

Its lack of mass production

Explanation:

Your Welcome;)

The limitation of using cellulose is its lack of mass production.

Cellulose is a polymer of glucose. It is obtained from glucose by condensation polymerization to yield a long chain.

Cellulose materials have a high potential of being quite useful as important materials for diverse applications.

However, the problem with cellulose materials is that they can not really be mass produced. This limitation has long encumbered the possibility of using cellulose materials for various applications in material science.

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What is the unit of measurement used in physics for speed?

Answers

Answer: metre per second

The unit of speed is the metre per second, but the most common speed in everyday usage is the kilometre per hour in the US and the UK, miles per hour.

Which phrase describes a scientific law?

Answers

Answer:

a scientific law must be universally correct there could be no contradictions regarding the law anywhere

Scientific laws are statements, based on repeated experiments or observations, that describe or predict a range of natural phenomena.

In this section please include the if then statements you develop during your lab activity these statement reflect your predicted outcomes for the experience

Answers

Answer:

but for which activity donu need the answer and mention the question clearly

A soccer player kicks a ball horizontally at 25.0 m/s from a bridge, and the ball hits
the ground after 1.5 s.
2
How high is the bridge?

Answers

Answer: 11.025 meters.

Explanation:

Ok, we know that the initial velocity is only horizontal, so it does not affect the vertical problem.

Looking only at the vertical problem (because we want to know how high is the bridge) we have that:

The acceleration is the gravitational acceleration, g = 9.8m/s^2

A(t) = -9.8m/s^2

Where the negative sign is because this acceleration is downwards.

For the vertical velocity we integrate over time, as we do not have an initial vertical velocity, there is no constant of integration.

V(t) = (-9.8m/s^2)*t

For the position we integrate over time again, here the constant of integration is the initial vertical position, H, that is the height of the bridge.

P(t) = 0.5* (-9.8m/s^2)*t^2 + H.

Now we know that the ball hits the ground 1.5s after it was kicked, then:

p(1.5s) = 0m

With that we can find the value of H.

0 = 0.5* (-9.8m/s^2)*(1.5s)^2 + H.

H = 0.5*(9.8m/s^2)*(1.5s)^2 = 11.025m

A bike moves. 50 m in 10 seconds calculate the speed of the bike

Answers

Answer:

We know that

Speed = Distance/ Time

Explanation:

Distance is 50 mTime is 10 seconds

Speed = 50/10

= 5 m/s

Which of the following is an example of a capital investment for a retail store? A buying ads in local newspapers B hiring sales clerks and managers C buying cash registers and displays D renting retail space at a mall

Answers

Answer:

D. renting retail space at a mall

Explanation:

Retail is the process of selling the customer goods and services by various channels of distribution to earn a profit. Capital investment includes the distinct ways in which a vendor or an individual may make the capital investment in a business. Money that is handed over as a loan or promise for the repayment.
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