What does a velocity measurement include that a speed measurement does not? A: Time B:direction C:distance D: acceleration​

Answers

Answer 1

Answer:

B. Direction

Explanation:

Speed is a scalar quantity and doesn't keep track of direction : Velocity is a vector quantity and is direction aware.


Related Questions

Compared to visible light, the wavelength of X-rays is
and the frequency is

Answers

Visible light has higher frequencies

Answer:

shorter,higher

Explanation:

Which of the following is a true statement about work?
Group of answer choices

It measure the effort it takes for an object to move

IT measures the change in an object speed

It measures how quickly an object moves

No answer text provided.

Answers

Answer:

It measure the effort it takes for an object to move

Explanation:

Work done is the force applied to move a body through a particular distance.

It can also to be said to be a measure of the effort it takes for an object to move.

The unit of work done is in Joules.

 To find work done, we use the expression below:

       Work done  = Force x distance

A car with a mass of 1,400 kg is traveling at a speed of 40 m/s. What is its momentum?

Answers

Answer:

56000kgm/s

Explanation:

Momentum = Mass * Velocity (both in standard unit)

Therefore, the car's momentum = 1400 * 40 = 56000kgm/s (or 56000Ns)

1. The sponge is classified in the. kingdom.

Answers

Answer:

the sponge? huhh what

PLEASE I NEED ANSWER FAST!! I WILL MARK BRAINLIEST


Drag the tiles to the boxes to form correct pairs.

Use the Hertzsprung-Russell diagram to determine which condition describes each star. Use the arrows to help you locate the stars.

Answers

Using the Hertzsprung-Russell diagram the conditions that describe each star are :

    Description                                                            Stars

It is fusing hydrogen at its core ------------------> VegaIt has lost its outer shell and retained only a hot core that is slowly losing its brightness. ---------------------------->   Procyon B  Its temperature has decreased, but it is shining brighter than before ----------------------------------------------------------------------->Polaris

Hertzsprung-Russell diagram is scatterplot diagram that shows the various relationships between the intrinsic brightness of the stars plotted against their spectral types.

hence :

It is fusing hydrogen at its core describes Vega

It has lost its outer shell and retained only a hot core that is slowly losing its  brightness describes Procyon B  while

Its temperature has decreased, but it is shining brighter than before describes Polaris

Learn more : https://brainly.com/question/1265796

Answer:

It is fusing hydrogen at its core-Vega

It has lost its outer shell and retained only a hot core that is slowly losing its brightness-Procyon B

Its temperature has decreased, but it is shining brighter than before-Polaris

Explanation:

this is the correct answer for edmentum only

Which of the following scenarios demonstrates a transfer
between kinetic energy and potential energy?

Answers

Answer:

what scenarios?  but kinetic is energy in motion (like a ball rolling) and potential is stored energy (ball laying on ground)

example (kinetic to potential) : baseball flying and and lands on the ground then stops rolling

roller coaster rolling down a hill then stopping (kinetic to potential)

roller coaster on top of a hill and then going down (potential to kinetic)

Explanation:

a lizard ran 3 meters from his rock to his friend's house. he ran back halfway and stopped. what is his distance traveled

Answers

Answer:

4.5m

Explanation:

Distance is the total length of path traveled or covered by a body.

So distance is a scalar quantity, it only has magnitude but no direction.

Therefore:

Total distance = 3 m + [tex]\frac{1}{2}[/tex](3)

So;

        3 + 1.5  = 4.5m

Total distance covered 4.5m by the body.

Andy has set a goal to be able to run 65 laps on the PACER by the end of the school year. This is an example of a ____.




1. short-term goal

2. improvement plan

3. long-term goal

4. none of the above

Answers

Answer:

The answer is long- term goal

Explanation:

This figure shows a
O a. transverse wave
O c. electromagnetic spectrum
Ob. decibel scale
Od compressional wave

Answers

Answer:

transverse i think

Explanation:

It’s a I did this before

Sue played four games of golf the modal score was 98 and the mean 100 and the range 10 What were the scores for the games

Answers

Answer:

Explanation:

Let the highest and lowest score be a and b respectively .

a - b = 10

a = 10 + b

The numbers in descending order are a , 98 , 98 , b .

mean = 100 , so

4 x 100 = a + 98 + 98 + b = 10 + b  + 98 + 98 + b = 206 + 2b

400 = 206 + 2b

2b = 194

b = 97

a = 107

So the scores were as follows

107 , 98 , 98 , 97

Which of the following are
mechanical waves?
A. waves that travel in empty space
B. sound and ocean waves
C. light waves
D. x-rays

Answers

It’s b for sure since the waves move on the ocean

Answer:

sound waves are mechanical waves

Explanation:

Mechanical waves needs a media through which they can transmit, and media must have elasticity

what energy is the energy an object has due to its position relative to another object ?
a. kinetic
b. potential
c. sound
d.wind

Answers

Answer:

Potential Energy

Which of the following are common forms of energy released by electrons dropping from heightened energy levels?

Answers

Answer:

C. Light, Kinetic

Explanation:

The options:

A) Light, Heat

B)Motion, sound

C)Light, Kinetic

D)Heat, Potential

Answer:

A) Light, Heat

Explanation:

Tell me if im wrong!

Which of the following is NOT an example of acceleration?
A car is traveling 33 km/h and slows down to 25 km/h.
B.
A car is driving straight at 50 mi/h.
A car is traveling 33 km/h and speeds up to 45 km/h.
A car is traveling 33 km/h north and turns east.

Answers

Answer:

B

explanation:

The car is not making a change in speed.

the above graph shows______
A. changing acceleration
B. direction and speed
C. speed and distance traveled
D.speed and velocity

Answers

D I think. It should be speed and velocity

The orbit of Venus around the sun is more sharply curved than the orbit of Mars. Use one of Newton's laws to explain this

Answers

Answer:

gravity it's what keeping it to rotate and keeping it looping

Something I just realized I am going to be lonely on Valentine's day AGAIN. :)
Now that I think about it it is not a good thing.
Ha

Answers

Answer:

Creating anniversaries with ourselves at this point

Explanation:

Answer:

I could be your Valentine

what safety precautions do you have to keep in mind when playing invasion games?​

Answers

Wear protective gear, such as helmets, protective pads, and other gear.

Warm up and cool down.

Know the rules of the game.

Watch out for others.

Don't play when you're injured.

a satellite with a mass of 1800 kg is placed at an altitude of 594 km above the surface of Europa. What is the strength of the gravitational force on the satellite?

Answers

The formula for gravitational potential energy is Ep= mgh. Lets convert 594 km into m: 594 x 1,000 = 594,000 m. So we do: Ep= (1,800kg)(9.8N/kg)(594,000m) = (17,640N)(594,000) = 10,478,160,000 J.

3. A simple way to state Newton’s first law is:
For every action force, there is a _______A.________ _______B.________ equal in _______C.________ and opposite in _______D.________.
yall just fill in the blanks):

Answers

Explanation:

A simple way to state Newton's first law is:

For every action force, there is a reaction force which is equal in magnitude and opposite in direction.

Romeo traveled by a 900 kg horse from Manitua to Verona accelerating at the rate of 20 km/hr. With what force is Romeo moving at?

Answers

Answer:

Force(Romeo moving) = 5,000 N

Explanation:

Given:

Mass of horse = 900 kg

Acceleration = 20 km/hr

Find:

Force(Romeo moving)

Computation:

Acceleration = 20 km/hr

Acceleration in m/s = 20 / 3.6 = 5.555556 m/s²

Force = m x a

Force(Romeo moving) = 900 x 5.555556

Force(Romeo moving) = 5,000 N

If a train conductor is describing the speed of the train as well as the direction of the train is going to then the train conductor said to be described with the trains

Answers

Answer:

With all of that information, he's telling us the train's VELOCITY.

Explanation:

Velocity is a vector quantity made of two parts: speed and direction.

According to the label, what is the estimated cost of running this air conditioner for 3,000hours if electrical energy costs 10 cents per kilowatt-hour?
a.$40
b.$19
8c.$238
d.$300

Answers

The answer is $300 for the estimated cost

You measure my life in hours and I serve you by expiring. I’m quick when I’m thin and slow when I’m fat. The wind is my enemy.

This is so hard.

Answers

It’s a candle !! Mark me as brainliest please !!

The measure of life in hours and wind is my enemy states that is a candle as it states I serve you by expiring.

What is a candle ?

A candle is a stick made of wax and forms an inflammable solid substance. It has a light and gives some sort of fragrance.

It can also provide a medium to heat or to save time, as the candle is burnt the oxygen is consumed and carbon id is given out. As the statement speaks about the wind which is my enemy, it states the nature of the candle that dies out immediately.

Find out more information about the candle.

brainly.com/question/16364957

When a power plant sends out high voltage electricity for long distance transmission,
what is needed to make the electricity suable in houses?

•a step down transformer
•a step up transformer
•a generator
•a commutator

Answers

Regular wires and cables always have some resistance.  So when electric current flows through regular wires and cables, it always loses some energy,  It's only a little bit, so we don't usually worry about it.  

But if you're the power company, your business is selling electrical energy.  If you generate electrical energy at the power plant, and some of it is lost on its way to your customers, then you can't sell the energy that's lost.  If you're the power company, then you're shipping ginormous amounts of energy over ginormous distances, and you DO worry about losing any of it.

Strange as it may seem, it turns out that if you ship the electrical energy through the cables at HIGHER voltage, LESS of it gets lost.  So the power company wants to send the energy through the cables at the highest-possible voltage.  Real power companies use as much as 765 THOUSAND volts to send energy between cities, and 4,800 or 7,200 volts to move it between neighborhoods.  (And there's a new long-distance power line in China using 1.1 MILLION volts to move energy a couple thousand miles.)  

But this could be a big problem !  You only use 120 volts for most of the things in your house, (or 240 volts for big things like the air conditioner, the stove, or the clothes dryer).

So the power company needs a way to "step down" the voltage from the "transmission line" before they connect the wires into your house.

They use a "step down transformer" to make the electricity suable in houses.

The step-down transformers are the giant square boxes you see on the ground inside the neighborhood power-distribution substation.

And they're the round black cans you see up on the electric poles around the neighborhood.

Scientists have made predictions about the universe today based on the big bang theory. Observations that match these predictions support the big bang theory. Which of the following observations have scientists made that provides evidence of the big bang?

A. Light from the moment of the big bang has been observed.
B. The percentages of hydrogen and helium match the predicted percentages.
C. Galaxies are moving toward each other as predicted by the big bang theory.
D. Many galaxies that are similar to the Milky Way have been observed.

Answers

Answer:

the answer is b

Explanation:

Answer:

b

Explanation:

I just did it on a p e x

Paul swims 7.5 kilometers in 1.5 hours. What was his average speed?

Answers

5 km/h is his average speed as you have to dived the distance by the time

Which equation should be used to calculate the speed of a wave?

speed = frequency x wavelength
speed = frequency x hertz
speed = period x wavelength
speed = period x hertz

Answers

The equation should be used to calculate the speed of a wave is speed = frequency x wavelength.

What is the formula for wave speed?

The speed of a wave is calculated by the equations: V = λ . f or V = λ/T, and the unit of measurement is m/s. This speed depends on the medium: in gaseous media, the speed is lower than in solid media.

See more about wave speed at brainly.com/question/10715783

The equation should be used to calculate the speed of a wave is speed = frequency x wavelength.

What is Speed of wave?

Wave speed is the movement of a progressive wave, which is an energy-moving disturbance that takes the shape of an oscillation and moves from one place to another.

The wavelength and frequency of a wave both affect its speed. A wave's speed is a crucial factor because it enables us to estimate how quickly the wave will disperse in the medium, which is the substance or material that will carry it.

This is the water in the case of ocean waves and the air in the case of sound waves. The kind of wave and the physical properties of the medium in which it is flowing also affect a wave's velocity.

Therefore, The equation should be used to calculate the speed of a wave is speed = frequency x wavelength.

To learn more about Wavelength, refer to the link:

https://brainly.com/question/30607075

#SPJ5

what's is the kinetic energy of a .235-kg baseball thrown at 50.0m/s

Answers

Answer:

34.51

Explanation:

k=1/2mv² is the kenetic energy equation to fill is in

k=[1/2(0.235)×50]²

A closed cylindrical tank of radius 3.5 m and height 2m is made from

a sheet of metal. How much sheet of metal is required ?​

Answers

Explanation:

Total surface area of cylinder:

[tex]2\pi \times r(h + r) \\ 2 \times \pi \times 3.5(3.5 + 2) \\ 2\pi \times 19.25 = 120.951317 \\ 120.95 \: {cm}^{2} [/tex]

sheet of metal required = 120.95 cm^2

Explanation:

Answer:

Given :-

A closed cylindrical tank of radius 3.5 m and height 2 m is made from a sheet of metal.

To Find :-

How much sheet of metal is required.

Formula Used :-

[tex]{\red{\boxed{\large{\bold{T.S.A\: of\: cylinder\: =\: 2{\pi}r(r + h)}}}}}[/tex]

where,

r = Radius

h = Height

Solution :-

Given :

Radius = 3.5 m

Height = 2 m

According to the question by using the formula we get,

⇒ [tex]\sf T.S.A =\: 2 \times \dfrac{22}{7} \times 3.5(3.5 + 2)[/tex]

⇒ [tex]\sf T.S.A =\: 2 \times \dfrac{22}{7} \times 3.5(5.5)[/tex]

⇒ [tex]\sf T.S.A =\: 2 \times \dfrac{22}{7} \times 3.5 \times 5.5T.S.A=2×722×3.5×5.5

⇒ \sf T.S.A =\: 2 \times \dfrac{22}{7} \times 19.25[/tex]

⇒ [tex]\sf T.S.A =\: 2 \times 60.5[/tex]

➠ [tex]\sf\bold{\purple{T.S.A =\: 121\: {m}^{2}}}[/tex]

∴ 121 m² of sheet of metal is required.

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