Use the motion map to describe the motion of the object.
A motion map. The position line is a long black arrow pointing right, labeled x. Above the line are five dots with a vector pointing away from x that start at x, each one shorter ending in the last dot with no vector. Above that are two yellow vectors pointing toward x between the second and third and third and fourth black dot. Above that are three black dots with vectors pointing toward the origin, x, each with a larger vector. There are three yellow vectors with no black dots pointed toward x starting just above the vertical column of three dots.
Which statements describe what is occurring at
t = 5 seconds? Check all that apply.
The object sped up.
The object slowed down.
The object continued in the same direction.
The object changed direction.
The object came to a complete stop.

Answers

Answer 1

Answer:

The object sped up.

The object changed directions.

Explanation:

Just got the question correct.

Answer 2

Answer:

A & D

The object sped up

The object changed direction

Explanation:

:)


Related Questions

A 7.20x10^3 N spacecraft travels away from the Earth. What is its weight when it is a) 6.38×10^3 km
and b) 1.28x10^4 km from the surface of the Earth?

Answers

Answer:

1,252

Explanation:

How much power does an Ox pulling a plow 20 m cross a field, exerting 120J of work over a period of 15 s?​

Answers

Answer:

8W

Explanation:

Given parameters:

Distance covered  = 20m

Work done  = 120J

Time  = 15s

Unknown:

How much power does the Ox exerts  = ?

Solution:

Power is the rate at which work is being done

  Power  = [tex]\frac{Work done }{time}[/tex]  

 Power exerted by ox  = [tex]\frac{120}{15}[/tex]   = 8W

Which of the following statements is true?


A.

Most metals and nonmetals conduct electricity well, but metals cannot conduct heat.


B.

Most nonmetals can be drawn into a wire, while metals would break apart.


C.

Most metals and nonmetals conduct heat well, but nonmetals cannot conduct electricity.


D.

Most metals can be drawn into a wire, while nonmetals would break apart.

Answers

Answer:

D.   Most metals can be drawn into a wire, while nonmetals would break apart

Explanation:

The correct statement from the given choices is that most metals can be drawn into a wire while non-metals would break apart.

Metals are malleable due to the presence of metallic bonds between their atoms. The large electron cloud due to the electropositivity of metals allows for the wide range of physical properties observed in them.

Metals are also conductors because they have free mobile electrons. Therefore they can conduct heat and electricity.

Non-metals are brittle and cannot conduct neither heat nor electricity.

Give an example of speed making a difference in the amount of kinetic energy. Tell how you know that kinetic energy amount is different in your example.

Please help this is due today

Answers

Answer:

1. A car moving 40 mph has four times as much kinetic energy as one moving 20 mph, while at 60 mph a car carries nine times as much kinetic energy as at 20 mph. Thus a modest increase in speed can cause a large increase in kinetic energy.

PLZ MARK BRAINLIEST THANK AND FIVE STAR:)

Answer:

a car moving 40mph has four times as much kinetic energy as one moving 20 mph, while at 60 mph a car carries nine times as much kinetic energy as at 20 mph.

if you need any more info just dm me

II. What examples can you find in your home that are examples of kinetic and potential energy (name two for each type
of energy)?
11. Kinetic:
12. Kinetic:
13. Potential
14. Potential:

Answers

Answer:

11. A door accelerating when pushing it.

12. A person sliding along the floor.

13. Water dropping from the faucet.

14. Courtains descending when loosening them.

Explanation:

For kinetic energy, any example that does not move horizontally will do. Something accelerating or decelerating is a good example (Ek=1/2mv^2, where v is velocity).

For potential energy try to think of things moving vertically. Potential energy comes from the height of an object (Ep=mgh, where h is height).

Notice that example 13 and 14 represent potential energy turning into kinetic energy, height becomes lower, so velocity increases.

Why is NEWTON'S First Law of Motion often called the LAW OF INERTIA?

Answers

Answer:

According to newtons first law of motion an object remains in its state of rest or motion in a straight line unless an external unbalanced forces acts upon it. This is the reason why Newtons first law of motion is often called the LAW OF INERTIA

Can a solution be separated by filtration?​

Answers

Answer:

Filtration is a method for separating an insoluble solid from a liquid. When a mixture of sand and water is filtered: the sand stays behind in the filter paper (it becomes the residue ) the water passes through the filter paper (it becomes the filtrate )

Explanation:

Listo!

Filtration is a method for separating an insoluble solid from a liquid.

PLEASE HELPPPPPPPPPP I WILL GIVE YOU BRAINLIEST Catalina's class wants to determine if boys or girls recycled more paper each day. They set up separate recycling bins in the classroom and labeled them "Boys" and "Girls." The students then placed their paper items in the correct bins. Which of the following should the students do each day before emptying the bins?

Answers

Answer:

what are the answer choices

Explanation:

i dont know the choices so i say count the stuff they recycle, and add the score to the days before.

Juan rides his horse with a constant
speed of 18 km/h. How far can he travel
in 1/2 hour?

Answers

Answer:

He traveled 9km

Explanation:

To do this problem you need to use the equation which is Speed= distance/time and this problem gives you the speed which is 18 km/h and it gives you the time 1/2 hour so you write the equation 18= d/ 1/2 which his distance is 9km

What happens when stress builds up at faults?

A. Energy is absorbed
B. Rock can bend and break
C. Plates form on the lithosphere
D. earthquakes develop at earths surface

Answers

Answer:

The answer is D because when the faults move that is the tectonic plates moving. So earth quakes will be forming when the fault moves.

Explanation:

AB just took the test

how much energy must be absorbed by water with a mass of 0.5kg in order to raise the tempature from 30c to 65c

Answers

Answer:

62760J

Explanation:

Given parameters:

Mass  = 0.5kg  = 500g

Initial temperature  = 30°C

Final temperature  = 65°C

Unknown:

How much energy is absorbed by the water  = ?

Solution:

To solve this problem, we use the expression below:

  H  = m C Δt

  H =  m  x C x (t₂ - t₁ )

m is the mass

C is the specific heat  = 4.184J/g°C

t₂ is the final temperature

t₁ is the initial temperature

So;

              H  = 500 x 4.184 x (65  - 30) = 62760J

Martha, a first-grade teacher, is worried that if doesn't stay In at work to grade papers her principal will think she is lazy She is also worried that if she stays late at work her partner will be angry. This of conflict is known as

Answers

The type of conflict Character vs self

Answer:

Character vs self

Explanation:

The reason is because Martha is thinking to much about the negative things and it is making her feel like she is fighting her own body for control.

The tensions in the rope are 12 n and 10 n . What is the angular acceleration of the pulley?

Answers

Answer:

[tex]\mathbf{\alpha = 16.06 \ rad/s^2}[/tex]

Explanation:[tex]A \ frictionless \ pulley, \ whic h\ can \ be \ modeled \ as \ a \ 0.83 k g \ solid \ cylinder \ with \ a \ 0.30 \ m \ radius,[/tex]  [tex]\ has \ a \ rope \ going \ over \ it[/tex] [tex]The \ tensions \ in \ the \ rope \ are \[/tex] [tex]12 n \ and \ 10 n . \ What \ is \ the \ angular \ acceleration \ of \ the \ pulley?[/tex]

[tex]From \ the \ given \ information:[/tex]

[tex]The \ moment \ of \ inerti a \ of \ a \ solid \ cylinder[/tex] [tex]I = \dfrac{1}{2}mr^2[/tex]

[tex]I = \dfrac{1}{2}(0.83)(0.3)^2[/tex]

[tex]I = 0.03735 \ kg \ m^2[/tex]

[tex]The \ net \ torque = F_1(r) - F_2(r) \\ \\ = 12(0.3) - 10(0.3) \\ \\ = 0.6 \ N.m[/tex]

[tex]Torque (T) = moment \ of \inertia (I) \times angular \ acceleration ( \alpha)[/tex]

[tex]\alpha = \dfrac{T}{I}[/tex]

[tex]\alpha = \dfrac{0.6 \ Nm}{0.03735 \ kg \ m^2}[/tex]

[tex]\mathbf{\alpha = 16.06 \ rad/s^2}[/tex]

Make a prediction that answers the question in the purpose:

“How does time affect the temperature of water?”

(Ex-“If we use a ramp, then the ball will roll faster down the ramp because gravity has more time to do work on the ball.”)



Im not good at these, please help quickly.

Answers

As heat always flows from a higher temperature to a lower temperature, this transfer can go both ways .When the air is cold, warm water will transfer energy to the air and cool off. ... If the air is hot, cold water will receive the energy and warm up.

Do all metals stick to magnets? Give an example. I NEED HELP FASTT

Answers

Answer:

No

Explanation:

Not all metals stick to magnets. Like aluminum. if you were to stick a magnet on to an aluminum it would fall off.

HELP PLS 100 POINTS TAKING TEST RN


Suppose you are in a car that is going around a curve. The speedometer reads a constant 30
miles per hour. Which of the following is NOT true?

You and the car are accelerating.

Your speed is constant.

Your velocity is constant.

Your acceleration is constant.

Answers

Answer:

sorry I hate when people press your question and answer with a fake answer for points, however you said it was 100 points and it's not even close lol but it is "your speed Is constant" that is not true

Most electricity comes from the burning of
A. Fossil fuels B. Trash C. Wood D. None of the above

Answers

Answer:

(A) Fossil Fuels

Answer:

Fossil Fuels

Explanation:

That’s what CK12 told me

Which is a unit of momentum?

A) N-m/s
B) kg-m/s
C) kg-m/s2
D) N-m/s2


please hurry i need help asap, will mark brainliest

Answers

Answer:

unit of momentum is kgm/s2

The unit for momentum can be Newton-second (Ns). In the CGS system, if the mass is in grams and the velocity in centimeters per second, then the unit of momentum will be gram-centimeters per second (g⋅cm/s).

What is momentum ?

"Momentum, product of the mass of a particle and its velocity. Momentum is a vector quantity; i.e., it has both magnitude and direction. Isaac Newton's second law of motion states that the time rate of change of momentum is equal to the force acting on the particle. See Newton's laws of motion."

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difference between input work and output work with table​

Answers

Answer:

Explanation:

Input work is the work done on a machine as the input force acts through the input distance. ... Output work is the work done by a machine as the output force acts through the output distance. The machine does to the object to increase the output distance.

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

Plants are eaten by grasshoppers, which are eaten by mice, which are eaten by snakes.

Answers

Answer:

food chain / web lol? was this a question?

An elephant kicks a 2.5 kg rock that is initially at rest. The

net force on the rock varies with time as shown below.

What is the rock's change in momentum between 0 ms

and 20 ms?

Answers

0.20Answer:

Explanation:

please help!!! 50 POINTS
1) The diagram below models the energy involved in a reaction that changes methane gas and oxygen into carbon dioxide and water.

The graph shows a certain level of energy of reactants C H2 + 2 O2, which increases on the breaking of bonds as the atoms are separated. The energy is then consumed when the making of bonds decreases the energy of products, C O2 + 2 H2 O, to a level much lower than the energy of reactants. The energy change of negative delta H depicts the exothermic reaction.

Which observations about the energy released in making the bonds are correct?
a) It is greater than the energy absorbed in breaking the bonds. The excess is converted to chemical energy.
b) It is greater than the energy absorbed in breaking the bonds. The excess is converted to thermal energy.
c) It is less than the energy absorbed in breaking the bonds. The excess is converted to thermal energy.
d) It is less than the energy absorbed in breaking the bonds. The excess is converted to chemical energy.

2) Carbon dioxide is an example of a molecule where the component atoms of carbon and oxygen are held together by chemical bonds. Which statement correctly describes the reason for these chemical bonds?
a) The nuclei and electrons of the atoms are attracted to each other.
b) The strong nuclear energy bonds the atoms together.
c) The combination of chemical energy stored in each atom makes the bonds strong.
d) The structure of atoms increases their atomic energy, which creates the bonds.

3) When burning fuel for cooking, the pan and the food absorb energy and heat up. In this process, which form of energy is chemical energy converted into?(1 point)
a) thermal energy
b) atomic energy
c) mechanical energy
d) radiant energy

4) Which of the following statement/s about the energy involved in a chemical reaction is/are correct?
I. The energy stored in chemical bonds is kinetic energy.
II. The total energy is conserved during a chemical reaction.
III. Chemical energy can be converted to other forms of energy.
IV. Energy is needed to both break bonds and form new bonds.
a) III and IV only
b) II and III only
c) II, III, and IV only
d) I only

5) Burning coal results in several energy transformations to generate electricity. Which statement is correct about the chemical energy stored in chemical bonds between atoms when coal is burned?
a) It allows the bonds to form and then break.
b) It helps transform kinetic energy to potential energy.
c) It increases the number of atoms.
d) It converts to thermal energy.

thank you!!

Answers

Answer:

Explanation:

1. It is greater than the energy absorbed in breaking the bonds. The excess is converted to thermal energy.

2. The nuclei and electrons of the atoms are attracted to each other

3. thermal energy

4. II and III only

5. It converts to thermal energy.

A spring has a constant of 875 N/m. What hanging mass will cause this spring to stretch 4.5 m?

Answers

Answer:

8) A hanging 7.5 kg object stretches a spring 1.1 m. What is the spring constant? 1 . 1 66. 82 NIMO 9) A spring has a constant of 875 N/m. What hanging mass will cause this spring to stretch 4.5 m? Iouliply then divide 875 X 4. 2- - (4 04. 7919) 10) A spring with a spring constant of 25 N/m is stretched 65 cm. What was the force used? 11) A 25 N force stretches a spring 280 cm. What was the spring constant? 12) A 75 N force stretches a spring 175 cm. What was the proportionality constant? 8) 66.82 N/m 9) 401.79 kg 10) 16.25 N 11) 8.93 N/m 12) 42.86 N/m

Explanation:

A spring has a constant of 875 N/m. and the mass which will cause this spring to stretch 4.5 meters is 401.78 kg.

What is Spring constant?

The spring constant is a characteristic of a spring which is defined as the ratio of the force affecting the spring to the displacement which is caused by that force. The SI unit of spring constant is N.m⁻¹ (Newton per meter).

The spring constant is:

F = -k/ x

where, k is the spring constant

F denotes the force,

and x denotes the change in the length of the spring.

k = 875N/m

x = 4.5m

We know that

Kx = mg

m= kx/ g

m = 875 × 4.5/ 9.8

m = 401.78kg

Therefore, the mass which will cause this spring to stretch 4.5 meters is 401.78 kg.

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I’ll give brainliest and 10 points

Answers

Answer:

A) (1) and (2)

Explanation:

pls mark me brainliest

The answer is i and ii/ aka answer A

f. It is easier to pull a lawn roller than to push it, why?​

Answers

Answer:

because you use more force to push than to pull (well it depends how heavy it is)

Explanation:

Tafu is working with subatomic particles in the physics lab. a positron is traveling in a straight line down the particle accelerator. tafu models its position with the function p(t)= t2 t â 1 where t>1. in the limit calculations below, if you need to use -â or â, enter -infinity or infinity. (a) calculate the limit

Answers

Answer:

Infinity

Explanation:

When you have a limit approaching infinity one method you can use is to remember that the highest power dominants all of the other ones so when we have (t^2)/t-1 like in your problem, we see that t^2 has the highest power of 2 so if that's going to infinity and it's not being divided by any powers higher than it will just be inifinity.

We have that for the Question, it can be said that  in the limit calculations below, if you need to use -â or â, enter -infinity or infinity. the limit is

[tex]Lim_{t->\infty} p(t)= \infty[/tex]

From the question we are told

Tafu is working with subatomic particles in the physics lab. a positron is traveling in a straight line down the particle accelerator.

tafu models its position with the function

p(t)= t2 t â 1 where t>1.

in the limit calculations below, if you need to use -â or â, enter -infinity or infinity.

(a) calculate the limit

Generally the equation for the Question  is mathematically given as

[tex]p(t)=\frac{t^2}{t-1}\\\\Therefore\\\\For Lim_{\infty}\\\\We have\\\\ Lim_{t->\infty} p(t)= Lim_{t->\infty}\frac{t^2}{t-1}\\\\[/tex]

Since, the equivalent degree of numerator (t^2) is greater than that of the denominator

[tex]Lim_{t->\infty} p(t)= \infty[/tex]

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HELP PLS MARKING BRANLIST 100 Pts TAKING TEST RN


A sprinter runs the 50 m dash in 5.6 seconds. What is the sprinter's speed?

280 m/s

0.11 m/s

44.4 m/s

8.93 m/s

Answers

I think it would be 8.93

Is gravitational energy a form of kinetic energy or potential energy? Why do you think that?

Please help due today!!​

Answers

Answer:

When something is lifted, work is done on the object against the pull of gravity. This work is converted to a form of potential energy called gravitational potential energy. When the item falls towards Earth like an apple from a tree, gravitational potential energy is converted into kinetic energy.

Which part of the electromagnetic spectrum is typically used to make images based on the temperatures of objects?

X-rays
radio waves
infrared light
visible light

Answers

Answer:

Which part of the electromagnetic spectrum is typically used to make images based on the temperatures of objects?

X-rays

radio waves

infrared light<<<----- CORRECT

visible light

Explanation:

Edge 2021

Infrared light is typically used to make images based on the temperatures of objects.

What is meant by electromagnetic spectrum?

The range of all EM radiation arranged from high to low frequency (short to long wavelength) according to their frequency or wavelength. is known as the electromagnetic spectrum (EM).

Here,

Similar to visible light, X-rays are a type of electromagnetic radiation. X-rays have a higher energy than light, on the other hand, and can penetrate most materials, including the human body.

Images of inside body tissues and structures are produced using medical x-rays.

Electromagnetic energy in the infrared region of the spectrum can be seen by them. There is a relationship between an object's temperature and the electromagnetic radiation it releases since infrared radiation is strongly related to object temperature.

Hence,

Infrared light is typically used to make images based on the temperatures of objects.

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