Is kilometer less than, greater than, or equal to dekameter

Answers

Answer 1

Answer:

Less than

Explanation:

Because a dekameter has a higher vantage point than kilometer as a kilometer has a lower vantage point

Answer 2

Answer: a dekameter is actually 10 yrds while 1 kilometer is actually 4 to 5 miles

Explanation:


Related Questions

Sal sprints 40 m to the right in 5.5s.
What was his average velocity in m/s?

Answers

Answer:

7.27 m/s

Explanation:

You would be dividing 40 (distance) by 5.5 (time) to get the average velocity of 7.27 m/s .

Answer:

7.27

Explanation:

40/5.5=7.27

I need this now due date 9-11-20 1:00pm

Answers

Yes because hot water dissolves sugar faster than cold water

Answer:

Yes because the hotter the water the less time it takes to dissolve.

Explanation:

hey can anyone pls help me out in dis !

Answers

All of the above.

For example:

A glass plate is a solid. Particles vibrate in a solid and are closely packed. together.

It doesn’t change shape if you touch it.

It doesn’t change volume like it’s water.

Answer:

D: all of the above

Explanation:

particles in a solid do vibrate but they're tightly packed and move around fixed location

what weights include barbells and dumbbells​

Answers

Free weights include barbells and dumbbells
Free weights include barbells and dumbbells

What conversion do you use to change 18 km to meters

Answers

Answer:

multiplication

Explanation:

multiply your distance of 18 kilometers by 1,000 to get 18,000 meters.

Please help on this physics question

Answers

Answer:

you need to include the units for both axis to be able to answer this

Explanation:

average speed in uniform motion is the slope anywhere on the line but you could always pick 2 points and do it that way and speed is just rise over run

or y2-y1/x2-x1

Pick two points on the line and determine their coordinates.

Determine the difference in y-coordinates of these two points (rise).

Determine the difference in x-coordinates for these two points (run).

Divide the difference in y-coordinates by the difference in x-coordinates (rise/run or slope).

the second bit i think they are looking for this calculation y = mx + b, where m is the slope and b is the y-intercept (where the line crosses the y axis (the vertical one that has no units

Then use that formula for the last question and put in the x value of 10 and complete the formula to find out what y is

A car accelerates from rest at 7.2 m/s 2 . How much time does it need to attain a speed of 4 m/s? Answer in units of s.

Answers

Answer:

The time is 0.6 sec.

Explanation:

Given that,

Acceleration of car = 7.2 m/s²

Speed = 4 m/s

We need to calculate the time

Using equation of motion

[tex]v=u+at[/tex]

Where, u = initial velocity

v = final velocity

a = acceleration

t = time

Put the value in the equation

[tex]4=0+7.2\times t[/tex]

[tex]t=\dfrac{4}{7.2}[/tex]

[tex]t=0.6\ sec[/tex]

Hence, The time is 0.6 sec.

Why do we use percent deviation rather than simply expressing the size of the error itself?

Answers

Answer:

the percentage we have the fraction between the error and the magnitude,

Explanation:

When absolute error is used, it is a value that remains constant regardless of the magnitude of the measurement, for large measurements it can represent great accuracy, but for small measurements the accuracy may be low, for example> if we use a tape measure with error of Dx = 0.1 cm if the measurement is 1 meter this error is acceptable, but if the measurement is 1 cm the error is too big.

When we use the percentage we have the fraction between the error and the magnitude, so if this relationship is small the measure is very tight and but if the relationship is high the measure has little pressure, for example

           Δx = 1 cm = 0.01 m

          % = 0.01 / 1   100 = 1%

          % = 0.01 / 0.01 100 = 100%

therefore the precision of the measurement is known the percentage error

HELP ME PLZ!!!!! I'LL DO ANYTHING!!!!

Answers

First find the diameter of each.

Jupiter’s diameter is 86,881 mi.

Earth’s diameter is 7,917.5 mi.

Then divide those two.

Rounded, Jupiter is 11 times larger.

unrounded: 10.9732870224186927691821913482791285127

Finding out how large something is compared to something can be done by dividing.

For example I have two dogs. One dog is 3 feet tall. The other is 2 feet tall. How much taller is dog one? Dog one is 1.5 times larger because 3/2 = 1.5 AND 2 x 1.5 = 3.

So for this case multiplying Earth’s diameter by 10.9732870224186927691821913482791285127 will give you Jupiter’s diameter.

55. A dog starts at the origin and runs forward at 6 m/s for
1.5 s and then turns around to fetch the ball by
running backward at 7 m/s for 3 s. If the dog runs
back to the origin at 4 m/s, then how much time has
elapsed between the start and when he returns with
the ball?
0-
Position vs. time
61
-5
-10
Position (m)
-15
-20
-250
0.2
0.8
1.0
1.2
0.4 0.6
Time (s)

Answers

Answer:

7.5 seconds

Explanation:

Given that a dog starts at the origin and runs forward at 6 m/s for 1.5 s

From speed formula

Speed = distance/time

Substitute speed and time into the formula

6 = distance/1.5

Distance = 6 × 1.5 = 9 m

and then turns around to fetch the ball by

running backward at 7 m/s for 3 s. If the dog runs.

Calculate the distance covered

Distance = 7 × 3 = 21 m

This means that the dog ran beyond the original position.

The elapsed distance = 21 - 9 = 12m

back to the origin at 4 m/s, by covering distance 12 m

Calculate the time.

Speed = distance/time

Time = 12/4 = 3s

The time elapsed between the start and when he returns with the ball will be:

T = 1.5 + 3 × 3

T = 7.5 seconds

1. The speed limit on a particular freeway is 28.0 m/s (about 101 km/hour). A car
that is merging onto the freeway is capable of accelerating at 2.25 m/s2. If the car
is currently traveling forward at 13.0 m/s, what is the shortest amount of time it
could take the vehicle to reach the speed limit? How far would the car travel in
this time?

Answers

Answer:

the speed limit 6 seconds and the car will travel in 90m

In 1993, Ileana Salvador of Italy walked 3.0 km in under 12.0 min. Suppose that during 115 m of her walk Salvador is observed to steadily increase her speed from 4.20 m/s to 5.00 m/s. How long does this increase in speed take?

Answers

Answer:

t = 25 seconds

Explanation:

Given that,

Distance, d = 115 m

Initial speed, u = 4.2 m/s

Final speed, v = 5 m/s

We need to find the time taken in increasing the speed.

We know that,

Acceleration, [tex]a=\dfrac{v-u}{t}[/tex] ....(1)

The third equation of kinematics is as follows :

[tex]v^2-u^2=2ad\\\\\text{Put the value of a in above equation}\\\\v^2-u^2=2\times \dfrac{v-u}{t}\times d\\\\\because (a^2-b^2)=(a-b)(a+b)\\\\(v-u)(v+u)=\dfrac{2\times (v-u)d}{t}\\\\t=\dfrac{2d}{v+u}\\\\\text{Putting all the values}\\\\t=\dfrac{2\times 115}{4.2+5}\\\\t=25\ s[/tex]

Hence, it will take 25 seconds to increase the speed.

In the lab, you looked at speed-time graphs to determine the acceleration of the cart for each of the three fan
speeds.
What was the acceleration of the cart with Low fan speed?
cm/s2
What was the acceleration of the cart with Medium fan speed? cm/s2
What was the acceleration of the cart with High fan speed?
cm/s2

Answers

Answer:

(I).  The acceleration of the cart with low fan speed is 18 cm/s²

(II). The acceleration of the cart with medium fan speed is 23.3 cm/s²

(III).  The acceleration of the cart with high fan speed is 32 cm/s²

Explanation:

Given that,

You looked at speed-time graphs to determine the acceleration of the cart for each of the three fan  speeds in the lab.

According to graph,

A , B and shows the high, medium and low fan speeds respectively.

We know that,

The speed-time graph shows the acceleration.

Acceleration is equal to the rate of change of velocity.

(I). We need to calculate the acceleration of the cart with low fan speed

Using formula of acceleration

[tex]a_{l}=\dfrac{v_{f}-v_{i}}{t_{f}-t_{i}}[/tex]

Put the value from graph

[tex]a_{l}=\dfrac{125-0}{7}[/tex]

[tex]a_{l}=18\ cm/s^2[/tex]

(II). We need to calculate the acceleration of the cart with medium fan speed

Using formula of acceleration

[tex]a_{m}=\dfrac{v_{f}-v_{i}}{t_{f}-t_{i}}[/tex]

Put the value from graph

[tex]a_{m}=\dfrac{140-0}{6}[/tex]

[tex]a_{m}=23.3\ cm/s^2[/tex]

(III). We need to calculate the acceleration of the cart with high fan speed

Using formula of acceleration

[tex]a_{h}=\dfrac{v_{f}-v_{i}}{t_{f}-t_{i}}[/tex]

Put the value from graph

[tex]a_{h}=\dfrac{160-0}{5}[/tex]

[tex]a_{h}=32\ cm/s^2[/tex]

Hence, (I).  The acceleration of the cart with low fan speed is 18 cm/s²

(II). The acceleration of the cart with medium fan speed is 23.3 cm/s²

(III).  The acceleration of the cart with high fan speed is 32 cm/s²

Answer:

18.0, 24.0, 32.0

Explanation:

just did it

Which option lists a form of potential energy followed by a form of kinetic energy?
A. Sound energy | nuclear energy
B. Magnetic energy electromagnetic energy
C. Gravitational energy | elastic energy
D. Electromagnetic energy | electrical energy

Answers

Answer:

Magnetic energy and electromagnetic energy form of potential energy followed by a form of kinetic energy.

(B) is correct option.

Explanation:

Given that,

Lists a form of potential energy followed by a form of kinetic energy

We know that,

Sound energy :

The movement of energy through object it is called sound energy. When a object produced vibration by force then it moves in wave.

Sound wave is example of kinetic energy.

Nuclear energy :

The store energy in the nucleus of the atom it is called nuclear energy. This energy released when occurs fusion and fission.

Nuclear energy is the example of potential energy

Magnetic energy :

Magnetic energy is a type of potential energy which is depend on distance and position in the magnetic field.

Electromagnetic energy :

Electromagnetic energy is light energy. it is type of kinetic energy.

Gravitational energy :

Gravitational energy is a type of potential energy. It is an energy related with gravity or gravitational force.

Elastic energy :

The store energy in elastic object it is called elastic energy. This energy is a type of potential energy.

Electrical energy :

The movement of electrons is called electrical energy. When electrons move through a wire then it is are called electricity. Electrical energy is type of kinetic energy.

Hence, Magnetic energy and electromagnetic energy form of potential energy followed by a form of kinetic energy.

(B) is correct option.

Answer:

its B

Explanation:

2. Convert 750 m/s to km/hr.

Answers

Answer:

2700

Explanation:

1m/s=3.6km/hr

QUESTION: Is there a relationship between height and shoe size? Write a one sentence
summary of your graph.
J

Answers

Answer:

There is no particular relationship between the height and shoe size. But the shoe sizes in males is usually bigger than females. And the shoe size tends to get bigger when the person is taller.

Explanation:

What does amu represent?

Answers

atomic mass unit i’m pretty sure
Amu=ATOMIC MASS UNIT

6.P.2.1 Matter: Properties and Changes Notes

The Theory ______

of Conservation

of

states:______

cannot be

or!____________

height

is anything that has

(weight) and height

(takes up space).

A

is the

in an object.

is the

an object takes

to add speaker notes

Answers

Answer:

The __law__ conservation

of state that either energy may produced nor destroyed

how far will a skateboard travel in 30 seconds if traveling at a speed of 3 m/s​

Answers

If it’s traveling at 3 miles per second, then you would do 3 times 30 and get 90.
Answer: it will travel 90 miles in 30 seconds
If it is 3m/s and it travels for 30 seconds, you multiply 3/30 to get 90m

PLS HELP. A flatbed car of a train moves 8 m/s to the east. A jogger runs along to top the flatbed car (which is not very safe) with a velocity of 6 m/s to the west. How fast is the jogger moving?

Answers

Answer:

2 m/s

Explanation: Given that a flatbed car of a train moves 8 m/s to the east. A jogger runs along to top the flatbed car (which is not very safe) with a velocity of 6 m/s to the west.

Since the jogger is moving in an opposite direction to the direction of the train, and velocity is the distance covered in a specific direction, the jogger will be moving at a velocity relative to the velocity of the train.

Velocity = (8 - 6) m/s

Velocity = 2 m/s

Therefore, the jogger will be moving at the speed of 2 m/s

what is 404.2 rounded to the nearest ten thousandth?

Answers

Answer:

The answer to your question is 404.2000

A ball is thrown straight up. If the launch velocity is 15 m/s, at what SPEED will the ball return to the thrower’s hand?


a) -15 m/s
b) -9.8 m/s
c) 15 m/s
d) 0 m/s

Answers

Answer:

Vf = 15 m/s

Explanation:

First we consider the upward motion of ball to find the height reached by the ball. Using 3rd equation of motion:

2gh = Vf² - Vi²

where,

g = acceleration due to gravity = -9.8 m/s² (negative sign for upward motion)

h = height =?

Vf = Final Velocity = 0 m/s (Since, ball momentarily stops at highest point)

Vi = Initial Velocity = 15 m/s

Therefore,

2(-9.8 m/s²)h = (0 m/s)² - (15 m/s)²

h = (-225 m²/s²)/(-19.6 m/s²)

h = 11.47 m

Now, we consider downward motion:

2gh = Vf² - Vi²

where,

g = acceleration due to gravity = 9.8 m/s²

h = height = 11.47 m

Vf = Final Velocity = ?

Vi = Initial Velocity = 0 m/s

Therefore,

2(9.8 m/s²)(11.47 m) = Vf² - (0 m/s)²

Vf = √(224.812 m²/s²)

Vf = 15 m/s

If the acceleration of a motorboat is 4.0 m/s2, and the motorboat starts from rest, what is its velocity after 6.0 s?

Answers

Answer:

The velocity of the motorboat after 6s is 24 m/s.

Explanation:

Given;

acceleration of the motorboat, a = 4.0 m/s²

initial velocity of the motorboat, u = 0

time of motion of the motorboat = 6s

Apply the following kinematic equation to determine the velocity of the motorboat after 6 ;

v = u + at

v = 0 + (4 x 6)

v = 24 m/s

Therefore, the velocity of the motorboat after 6s is 24 m/s.

The density of water is 1.00 g/mL. This means if a rock has a density of 0.87 g/mL, it will ____in water.

a) float
b) sink

Answers

Answer:

Float

Explanation:

It is given that,

The density of water is 1 g/mL

The density of a rock is 0.87 g/mL

It can be seen that the density of water is more than that of rock. The density of an object is calculated from its mass and volume.

If the density of liquid in which it is placed, is more that that of the object, it will float at the top.

Hence, in this case the rock will float.

If you want to know your speed going from point A to point B, what
information do you need to know?*

Answers

Answer:

the distance between point a and b and the time it takes to get from a to b.

Explanation:

d/t =v

The table shows results of an experiment that was replicated. Which best describes the data? They are neither precise nor reproducible. They are precise but not reproducible. They are accurate and reproducible. They are accurate but not reproducible.

Answers

Answer:

They are accurate and reproducible.

Explanation:

Answer:

They are precise and reproducible.

Explanation:I just took the test on Edgenuity

What is the unit of pressure? Why is it called a derived unit?
Why has SI system​

Answers

Answer:

pascal

Explanation:

its obtained after either division or multiplication

A swimming pool is an example of an open system. The pool loses 10,500 J
of its thermal energy to the surrounding air at night, and the surrounding air
adds 2,500 J of thermal energy to the pool in the morning. According to the
law of conservation of energy, what is the total change in energy?

Answers

Answer: A a decrease of 8000

Explanation: 10,500 - 2,500= 8000

Answer:

Its A

Explanation:   Sure

difference between weightlessness in space and weightlessness in earth​

Answers

In space we feel weightlessness because the earth's gravity has less effect on us. The Earth's gravitational attraction at those altitudes is only about 11% less than it is at the Earth's surface. If you had a ladder that could reach as high as the shuttle's orbit, your weight would be 11% less at the top.

The figure shows a horizontal pipe with a circular cross section whose diameter varies. The cross-sectional area at X is 3.0×10−4m2 and at Y is 0.60×10−4m2. Water of density 1000kg/m3 fills the pipe and flows through it at a constant rate of 2.4×10−4m3/s. The difference in pressure between X and Y is most nearly 750 Pa 750 Pa A 1600 Pa 1600 Pa B 7700 Pa 7700 Pa C 8320 Pa 8320 Pa D

Answers

By Bernoulli's Principle :

[tex]P_x+\dfrac{\rho v_x^2}{2}+\rho gz_x=P_y+\dfrac{\rho v_y^2}{2}+\rho gz_y[/tex]

Since , pipe is horizontal so every point is at same height .

So , [tex]z_x=z_y[/tex] .

The equation will reduced to :

[tex]P_x+\dfrac{\rho v_x^2}{2}=P_y+\dfrac{\rho v_y^2}{2}[/tex]    ..... 1 )

Also flow rate will be constant :

[tex]Q=A_xv_x=A_yv_y[/tex]

[tex]v_x=\dfrac{Q}{A_x}\\\\v_x=\dfrac{2.4\times 10^{-4}}{3\times 10^{-4}}\ m/s\\\\v_x=0.8\ m/s[/tex]

[tex]v_y=\dfrac{Q}{A_y}\\\\v_y=\dfrac{2.4\times 10^{-4}}{0.6\times 10^{-4}}\ m/s\\\\v_x=4\ m/s[/tex]

Now ,

[tex]P_x-P_y=\dfrac{\rho v_y^2}{2}-\dfrac{\rho v_x^2}{2}\\\\P_x-P_y=\rho[\dfrac{ v_y^2}{2}-\dfrac{v_x^2}{2}]\\\\P_x-P_y=1000\times [\dfrac{ 4^2}{2}-\dfrac{0.8^2}{2}]\\\\P_x-P_y=7680\ Pa[/tex]

Difference in pressure between X and Y is most near to 7700 Pa.

Hence, this is the required solution.

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Reread the first half of the PREAMBLE. Using context clues, explain what the phrase consent of the governed means Egyptian hieroglyphs were part of a writing system used by the ancient Egyptians. What type of graphic design elements did they contain? Solve for z. z = 64 Enter your answer in the box. z = A 3-mi cab ride cost $7.90. A 9-mi cab ride cost $18.70 What is 4 + 8 divided by 2 x (6 - 3) = ? what does ? equal? ? =__ Can someone help me pls !!! I need some help like now on making a rap with 3 versuses and 1 chorus it due at 11:59 pls help !!!!! many african americans sought oppertunity offered by the homestead act by moving to? A number x is decreased by 40% then increased by 25% what is the final result In terms of x ? Please help me. 50 point question Yo, when I retire from teaching, I will have accumulated a variety ofsupplemental income plans. This illustrates the economic goal known as_______. Which number gives you a rational sum when you add it to 4/7? Presenteeism is exhibited in all the following ways except:___________. a. even when injured reporting to work. coming to work when ill. b. when an employee faces dangerous conditions to get to work. c. when the employee is preoccupied by personal problems. d. when an absence would immediately affect many people. Andy was buying$5 hats and $3gloves for everyperson on hisChristmas list. Healso bought one rollof wrapping paperfor $2. Let xrepresent thenumber of peopleon his Christmaslist. Maya is comparing ride-sharing company prices. Company M charges $1.75 per mile driven and one-time trip fee of $5. Company N charges $2.50 per mile driven and a one-time trip fee of $3. Which inequality can be used to find x, the minimum number of miles driven so that the total cost at Company M is less than the total cost at Company N? 1.75x+5 2.5x+3 1.75+5x 2.5+3x A narrative introducing a new character and their experience in one of the stories Jumanji or Zathura. Kriste walks once around a large circle at a constant speed.What is her average velocity for the whole walk in m/s? which ordered pair is not a solution to this system?x+y > 3 x + 2y > 5 any actives ???can yall please help me Repaso A: Ser-p.R6Conjugate SerSerYonosotros (as)Tvosotros (as)l, ella, Ud.Ellos, ellas, Uds.Usos:Ch=O=M=P=N=T= Please Help! Will Give Brainliest If Right! I can't figure out how to write this!You are Benjamin Franklin. The Constitutional Convention is tensely divided between those who support the New Jersey Plan and those who support the Virginia Plan. Write a speech outlining three similarities between the two plans that supports continued discussion.