Please help the right answer get the Brainly and this is physical science btw

Sadie rides her bike 1600 m East and then turns around and goes 800 m
West. What is her displacement?

Please Help The Right Answer Get The Brainly And This Is Physical Science BtwSadie Rides Her Bike 1600

Answers

Answer 1

Answer:

(1600 m east) + (800 m west) = (800m east)

Her displacement is 800 m east.

Explanation:

Displacement is the distance and direction between the starting point and ending point,regardless of the route traveled between them.


Related Questions

If an atom becomes an ion by loosing 4 electrons, what will the net charge of the atom be? pls hurry NO LINKS!

1) -1.6 x 10^-19 C
2) - 3.2 x 10^-19 C
3) - 4.8 x 10^-19 C
4) -6.4 x 10^-19 C

Answers

Answer:

1) - 35

2) - 35

3) - 67

4) - 83

Plastics are used in millions of objects we use every day. Why are plastics NOT considered natural resources?
A. They are recyclable.
B. They are made by people. C. They are bad for the environment.
D. They are made entirely from nonrenewable resources.

Answers

Answer:

letter C. they are bad for the environment

Which of these planets is the odd one out based on their physical features?
a. Mars
b. Uranus
c. Jupiter
d. Neptune

Answers

Answer:

mars

Explanation:

the planet that is the odd is Mars

i really need help, whats 2+2

Answers

Answer:

2+2 =4

Explanation:

i counted my fingers ✌✌

You have a grindstone (a disk) that is 98.0 kg, has a 0.335-m radius, and is turning at 100 rpm, and you press a steel axe against it with a radial force of 23.6 N. Assuming the kinetic coefficient of friction between steel and stone is 0.192, calculate the angular acceleration of the grindstone.

Answers

Answer:

[tex]a=0.276[/tex]

Explanation:

From the question we are told that:

Mass [tex]m=98.kg[/tex]

Radius [tex]r=0.335[/tex]

Angular velocity [tex]\omega=100rpm[/tex]

Radial force of [tex]F_r=23.6 N.[/tex]

Kinetic coefficient of friction  [tex]\mu=0.192[/tex]

Generally the equation for Kinetic Force is mathematically given by

 [tex]F_k=\mu.F_r[/tex]

 [tex]F_k=0.192*23.6[/tex]

 [tex]F_k=4.5312[/tex]

Generally the equation for Torque on Center is mathematically given by

 [tex]Ia=f_k*r[/tex]

Where

 [tex]I=\frac{Mr^2}{2}[/tex]

Therefore

 [tex]a=\frac{2f_k}{Mr}[/tex]

 [tex]a=\frac{2*4.5312}{98*0.335}[/tex]

 [tex]a=0.276[/tex]

Therefore Angular acceleration of the grindstone is

[tex]a=0.276[/tex]

Four 29-ohm resistors are connected in series to an ideal 10-volt battery. What is the equivalent resistance of the circuit?

Answers

Answer:

Equivalent resistance of the circuit is 116 ohm.

Explanation:

Finding the equivalent resistance of the circuit. Since, 29 ohm resistors are connected in series, so

→ Equivalent resistance = R_1 + R_2 + R_3 + R_4

→ Equivalent resistance = (29 + 29 + 29 + 29) ohm

→ Equivalent resistance = 116 ohm

calculate the work done by 2N force directed at 30 degree to the vertical to move a 500g box a horizontal distance of 400 cm across a rough floor at constant speed of 0.5 m per second​

Answers

Answer:

there is no picture :o?

Explanation:

:oo

Can Someone please help me!

What is deposition

Answers

Deposition is the geological process in which sediments, soil and rocks are added to a landform or landmass

Answer:

the noun of deposition is the action of deposing someone, especially a monarch.

What is the speed of the curiosity rover if it travels 10,000 ft. In 25 hours

Answers

Answer:

it is going 1.894miles in 25 hours so it travels 0.07576 miles per hour

Around the turn of the twentieth century, inventor Robert Shuman was engineering products that used energy directly from the Sun to power motors and farms. He stated that coal and oil would eventually run out and that humans needed to learn how to use the more-abundant energy resource of the Sun. During which stage of technological design did Shuman identify that using oil and coal would be a problem? first second third fourth

Answers

Answer: First stage

Explanation:

The four stages of technological design include:

• identifying a problem.

• Designing a solution.

• Implement, build, and test the design.

• Determine if solution met the need.

In this scenario, Robert Shuman identified the problem. This was depicted as he stated that coal and oil would eventually run out and that humans needed to learn how to use the more-abundant energy resource of the Sun,

Astronomers have measured that there is more helium in the universe than can be explained by the fusion in stars over the last 13 billion years. How do they think the extra helium got into the universe

Answers

Answer:

From big bang and stars.

Explanation:

The extra helium got into the universe through big bang and fusion reaction that occur in stars. Our universe formed about 13.7 billion years ago with big explosion, this event is known as big bang. The fusion of hydrogen nuclei in the stars produces helium and energy so we can say that most of the extra helium got into the universe through fusion reaction that occur in the stars continuously.

Examples of usage of fluid pressure in real life

Answers

Answer:

Syringes are used to take blood for blood tests. The pressure of the liquid (blood) forces the liquid to move into the syringe when its plunger is withdrawn. When air is sucked out of a drinking straw, the air pressure inside if decreases and the atmospheric pressure outside forces the liquid to go inside the straw.

please mark as brainliest

Answer: The area of the edge of a knife’s blade is very small

Syringes are used to take blood for blood tests.

When air is sucked out of a drinking straw, the air pressure inside if decreases and the atmospheric pressure outside forces the liquid to go inside the straw.

Skis have a large area to reduce the pressure on the snow.

before each item.
1. Which of the following refers to chemical digestion?
A. Chewing of food B.. Grinding of food C. Tearing of food D. Amylase in the saliva
2. In what organ most of the absorption process happen?
A. Stomach B. Small intestine C. Large intestine D. Esophagus
3. It is a digestive disorder wherein the body has the inability to digest sugar?
A. Gastritis B. Lactose intolerance
C. Diarrhea D. Peptic ulcer
4. The following are part of the digestion process EXCEPT
A. ingestion B. assimilation
C. excretion D. respiration
5. It helps to moisten the food and contains the enzyme amylase.
A. Saliva
B. Stomach C. Mouth D. Teeth
6. It is a process of taking in digested food nutrients into the cell by providing new protoplasm and energy
needed during the cell activities.
A. Ingestion B. assimilation C. Absorption D. Excretion
7. What causes constipation?
A. Lack of fiber in the body B. Uncontrolled growth of abnormal cells
C. Lack of enzyme lactase D. Excessive consumption of coffee and acidic drinks
8. The nutrients from the digested food are being absorbed by the following processes except
A. passive diffusion B. facilitated diffusion C. active transport D. ingestion
9. It is the organ that is responsible for reabsorbing water and minerals that are not digested in the small
intestine.
A. Stomach B. Large intestine C. Small intestine
D. Esophagus
10. The following are the reasons why digested food should be assimilated into the cell EXCEPT
A. they are converted into protoplasm. C. they provide energy needed in cell activities
B. they are needed to store fats. D. they are converted to build cell membranes
11. What is the best treatment for a person who suffers lactose intolerance?
A. Take antibiotics
B. Balanced diet
C. Take lactase supplements before eating food contains dairy D. Practice healthy lifestyle
12. What happen during the assimilation process?
A. Absorbed nutrients are delivered into the cell
B. Breaking down of food into tiny pieces
C. Elimination of waste product of the digestion process D. Absorption of nutrients from the digested food
13. How does the enzyme amylase help in the absorption of nutrients?
A. It helps in the digestion of proteins.
B. It helps in the digestion of fats.
C. It helps in the digestion of carbohydrates. D. It helps in the digestion of lipids.
14. It is characterized as loose bowel caused by an infection of bacteria that we get from the food we eat.
D. GERD
A. Diarrhea
C. Gastritis
B. Peptic Ulcer
15. How saliva helps in the digestion process?
A. It reabsorbs nutrients from the food we eat.
B. It contains the enzyme amylase that helps in the digestion of starch.
C. It absorbs nutrients and distribute it in the bloodstream.
D. All of the above
16. How colon cancers can be treated?
B. By exercising
A. By eating foods rich in fiber
D. By undergoing surgeries.
g C. By taking lactase supplements​

Answers

Answer:

1:D

2:B

3:B

4:D

5:A

13:A

14:A

15:B

16:A

7:A

9:B

8:B

11:C

12:A

Explanation:

Sorry for incomplete answers

A chemical plant produces ammonia using the following reaction. What
trade-off is made by running the reaction at a high temperature?
3H2 + N2 + 2NH3 + energy
O A. The higher temperature decreases the forward reaction rate, and
the pressure of the system is also lowered.
O B. The higher temperature increases the reaction rate, but it also
favors the reverse read on.
C. The higher temperature increases the forward reaction rate, and
the higher pressure increases the reaction rate.
D. The higher temperature decreases the reaction rate, but it also
favors the forward reaction.

Answers

Answer: B

Explanation: The higher temperature increases the reaction rate but also favors the reverse read on.

The higher temperature increases the reaction rate, but it also favors the reverse read on. So, option B.

What is meant by rate of a reaction ?

The pace at which the products are created from the reactants in a chemical reaction is referred to as the rate of reaction.

Here,

Generally, reactions progress more quickly as the temperature rises.

The average kinetic energy of the reactant molecules will rise with a rise in temperature. The number of molecules having threshold energy rises, increasing the quantity of efficient collisions that actually occur.

Therefore, as the temperature of the reaction is increased, the rate of the reaction increases. But also favors the reverse reaction.

Hence,

The higher temperature increases the reaction rate, but it also favors the reverse read on.

To learn more about rate of reaction, click:

https://brainly.com/question/30546888

#SPJ5

If V is the original volume, V' is the new volume, T is the original Kelvin temperature, and T' is the new Kelvin temperature, how is Charles's law expressed mathematically

Answers

Answer:

[tex] \frac{V}{T} = \frac{V'}{T'}[/tex]

Explanation:

Given the following data;

Original volume = V

New volume = V'

Original temperature = T

New temperature = T'

To write an expression for Charles's law;

Charles states that when the pressure of an ideal gas is kept constant, the volume of the gas is directly proportional to the absolute temperature of the gas.

Mathematically, Charles law is given by the formula;

[tex] \frac {V}{T} = K[/tex]

[tex] \frac{V}{T} = \frac{V'}{T'}[/tex]

Lab: Kinetic Energy What is the purpose of the lab, the importance of the topic, and the question you are trying to answer? What is your hypothesis (or hypotheses) for this experiment? What methods are you using to test this (or each) hypothesis? Section II: Data and Observations Locate the data and observations collected in your lab guide. What are the key results? How would you best summarize the data to relate your findings? Do you have quantitative data (numerical results or calculations)? Do you have qualitative data (written observations and descriptions)? How can you organize this date for your report? Section III: Analysis and Discussion What do the key results indicate? If you constructed graphs, what trends do they indicate in your data? Were there any problems with the experiment or the methods? Did you have any surprising results? Section IV: Conclusions What do the results tell you about your hypothesis(es)? How do the data support your claim above? If you could repeat the experiment and make it better, what would you do differently and why?


Pls hurry!!!!!!!! Worth 100 pts!

Answers

What was the lab doing what were you doing. Just write about your lab can I see a picture though

You’ve probably seen how the surface of a tire can partially melt and leave a mark on the road when a car’s brakes are applied really hard. Explain why the surface of the tire melts.

Answers

Answer:

The friction of braking heats up the tire and the road. The temperature is so high that it reaches the melting point of the rubber in the tire. The melting rubber is what leaves a mark on the road.

Explanation:

Answer:

the friction of braking heats up the tires and the road. then the temperature gets even hotter to the point where it melts the rubber.

Explanation:

this is my answer so be careful how you copy it, but you've got this guys schools is almost out stay strong an have fun and be safe this summer keep pushing <33.

remember you're loved by many

- Jason Edwards 5/15/23

8. The mediator particle for gravitational force is on
(1 Point)
gluon
vector boson
photon
gravitone​

Answers

Answer:

Gravitone

Explanation:

In theories of quantum gravity, the graviton is the hypothetical quantum of gravity, an elementary particle that mediates the force of gravity. There is no complete quantum field theory of gravitons due to an outstanding mathematical problem with renormalization in general relativity.

Justin mixed two cups of lemon juice and two cups of sugar with a gallon of water in a pitcher. What happened to the lemon juice, sugar, and water?

Answers

Answer:

The correct answer is - Lemon juice hydrolyzes sugar and dissolves it faster and creates a solution.

Explanation:

When mixing lemon juice and sugar in water are mixed together, the lemon juice dissolves the sugar faster as it has citric acid that hydrolyzes sucrose molecules of sugar in glucose and fructose.

This mixing of all three lemon juice, water, and sugar form a solution. Here in this solution, water is solvent, and sugar and lemon juice are solutes. The quantity of all three determined the nature of the solution if it will be acidic or more diluted.

Which statement correctly describes mass-energy equivalence?

A. All energy in the universe will be converted to an equivalent amount of mass.

B. Mass can decrease in nuclear changes without the production of energy.

C. All energy in the universe is a result of mass being converted into energy.

D. A large amount of mass is equivalent to a small amount of energy.


C is the answer on edge 2021

Answers

Answer:

C. All energy in the universe is a result of mass being converted into energy.

Explanation:

Answer:

C

Explanation:

edgeee

the teacher said to the students you can go home change the folowing sentence into indirect​

Answers

Explanation:

The teacher said to the students you can go home.

Into indirect speech

The teacher told the students that they could go home.

Hope it will help :)❤

Why do people sound weird when they breath in balloon air?

Answers

Helium!!! It’s much less dense than regular air. That's why helium is used in balloons to make them float. ... When you breathe in helium, your voice travels much more quickly across your vocal cords. This results in the funny sounds you make when you talk after breathing helium.

Answer:

your voice travels much more quickly across your vocal cords, also LOT less density which causes the sound to  travel over twice as fast through helium than it does regular air.

ballon Air = Helium

Hope this helps and brainlist is appreciated !

- ☾

Hell please thanks!!!!!!’

Answers

Answer:

liquid phase

Explanation:

it is liquid phase because molecules are not that tightly packed as solid and not that far away from each other as in gas phase.

Why do the planets orbit the Sun in an elliptical shape?

Answers

Answer:

That's essentially how objects in orbits work as they move closer to the body they orbit, they accelerate faster and faster. Our penny will get so fast that, once it comes around the planet, it will be flung very far away, which will then slow it down. This is what creates an elliptical orbit.

Explanation:

4.) What determines a star brightness? *
a. Size
b. Temperature
c. Size & Temperature
d. Color & Temperature

Answers

I think it’s C but I might be wrong.

what is the correct name for a bond between two phosphorus adtoms and three oxygen atoms

Answers

Covalent

Explanation:

Covalent Bond

Answer:

diphosphorus trioxide

Explanation:

4. A car accelerates at 2.5 m/s^2, covers 4 km in 0.8 min. How fast was it moving at the beginning
of the time interval? *​

Answers

Answer:

Initial velocity, u = 23.33 m/s

Explanation:

Given the following data;

Acceleration = 2.5 m/s²

Distance = 4 km to meters = 4000 meters

Time = 0.8 mins to seconds = 0.8 * 60 = 48 seconds.

To find the initial velocity, we would use the second equation of motion;

[tex] S = ut + \frac {1}{2}at^{2}[/tex]

Where;

S represents the displacement or height measured in meters.

u represents the initial velocity measured in meters per seconds.

t represents the time measured in seconds.

a represents acceleration measured in meters per seconds square.

Substituting into the equation, we have;

4000 = u*48 + ½*2.5*48²

4000 = 48u + 1.25*2304

4000 = 48u + 2880

48u = 4000 - 2880

48u = 1120

Initial velocity, u = 1120/48

Initial velocity, u = 23.33 m/s

What statements are true???

Answers

Answer:

Explanation:

opposite charges attract

same charges repel

neutral charges don't attract or repel

A defibrillator is used during a heart attack to restore the heart to its normal beating pattern. A defibrillator passes 18 A of current: through the torso of person in 2.0 ms- (a) How much charge moves during this time

Answers

Answer:

q = 0.036 C

Explanation:

Given that,

Current passes through a defibrillator, I = 18 A

Time, t = 2 ms

We need to find the charge moved during this time. We know that,

Electric current = charge/time

[tex]q=It[/tex]

Put all the values,

[tex]q=18\times 0.002\\\\q=0.036\ C[/tex]

So, 0.036 C of charge moves during this time.

Can you tell from an FBD if an object is moving or not? Explain your response.

Answers

Answer:

Yes it is possible to tell if an object is moving or not using a FBD based on Newton's Laws of Motion

Explanation:

A Free Body Diagram is the representation of an object in a diagram that shows (all) the vector of the forces that act on the object

When the sum of all the force vectors acting on the body give a resultant force the object will move in the direction of the force according to Newton's First Law of motion, which states that an object will continue in its rest state or   continue its uniform motion on a straight path unless a force acts on the object

The net force, 'F', can be represented according to Newton's Second Law of motion which is F = m·a, where 'a' represents the acceleration (rate of change in velocity) of the object as the object begins to move from rest

Therefore;

From a FBD it is possible to tell if an object is moving or not.

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