# physics( i have no idea how to go about gettign th

164,329 results, page 85

### economics

The 31 members of the board of the Student S. Inc. are about to take a secret ballot whether to accept the merger proposal of Student G. Corp. Each member can vote to accept the proposal, reject the proposal or to abstain. For the proposal to be accepted, 16 members must vote ...

### Physics/math

Here is the problem A typical atom has a diameter of about 1.0 X 10^-10m. What it is in inches? How many atoms are there along a 1.0 cm line? ( I got the first part but confuse w/ the second part. how do I know how many atoms are there? Please help me)

### physics

An athlete at the gym holds a 4.33 kg steel ball in his hand. His arm is 68.7 cm long and has a mass of 4.69 kg. What is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor?

### Physics

An athlete at the gym holds a 4.33 kg steel ball in his hand. His arm is 75.0 cm long and has a mass of 5.28 kg. What is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor?

### physics

A rod with a diameter of 1.8 cm is used to make the letter A in an 18 by 12 cm space. If the number were to spin about one the left side of the space calculate the moment of inertia. The rod has a linear mass density of 4.6 kg/m.

### physics

A rod with a diameter of 1.8 cm is used to make the letter A in an 18 by 12 cm space. If the number were to spin about one the left side of the space calculate the moment of inertia. The rod has a linear mass density of 4.6 kg/m.

### physics please help

A rod with a diameter of 1.8 cm is used to make the letter A in an 18 by 12 cm space. If the number were to spin about the left side of the space calculate the moment of inertia. The rod has a linear mass density of 4.6 kg/m

### hellllp physics

A solid cylinder rolls along the floor. What is the ratio of it's translational kinetic energy to its rotational kinetic energy about an axis parallel to its length and through its center of mass?

### physics

An athlete at the gym holds a 5.29 kg steel ball in his hand. His arm is 67.0 cm long and has a mass of 4.57 kg. What is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor?

### Physics

In unit-vector notation, what is the torque about the origin on a particle located at coordinates (0, -4.90 m, 4.04 m) due to (a) force 1 with components F1x = 2.67 N and F1y = F1z = 0, and (b) force 2 with components F2x = 0, F2y = 1.23 N, F2z = 5.41 N?

### physics

The weight of the atmosphere above 1 m^2 of Earth's surface is about 100,000 N. Density, of course, becomes less with altitude. But suppose the density of air were a constant 1.2 kg/m/s^3. Calculate where the top of the atmosphere would be.

### physics

The weight of the atmosphere above 1 m^2 of Earth's surface is about 100,000 N. Density, of course, becomes less with altitude. But suppose the density of air were a constant 1.2 kg/m/s^3. Calculate where the top of the atmosphere would be.

### physics

The weight of the atmosphere above 1 m^2 of Earth's surface is about 100,000 N. Density, of course, becomes less with altitude. But suppose the density of air were a constant 1.2 kg/m/s^3. Calculate where the top of the atmosphere would be.

### physics

A car speed up from 18m/s to 34 m/s in 2 seconds A) find the cars acceleration must write down all given information and show the work B) What does this acceleration tell us about the motion of the car?

### Physics

In unit-vector notation, what is the torque about the origin on a particle located at coordinates (0, -2.24 m, 9.78 m) due to (a) force 1 with components F1x = 2.70 N and F1y = F1z = 0, and (b) force 2 with components F2x = 0, F2y = 2.92 N, F2z = 4.02 N?

### Physics

A rocket which is 700000kg(given that the rocket never loses mass) working with 10.000.000 Newton, how much is the acceleration? basic question, but i was wondering about the gravitation how would you calculate this.

### physics

Please can someone show me how to go about this problem? The X-Y plane is illuminated by an electric field of strenght given as E=(24î + 60j + 70k) N/C; the flux through a 1.5m² portion of the illuminated plane is

### Physics

A hula Hoop (I=1/2MR^2) rolls without sliding along the floor. The ratio of its translational kinetic energy to its rotational kinetic energy (about an axis through its center of mass) is: A. 1 B. 2 C. 3 D. 1/2

### Reading

I have this really long passage about how organic farming started small, but it grew quickly. From 1990 to 2010, sales of organic food in the United States increased from $1 billion to $26.7 billion. Fruits and vegetables represent the biggest percentage of organic foods. ...

### Equation Help

In our text book the following equation is given: P=(pm - p)g * R where P is the pressure drop R is the manometer reading pm is the density of the manometer fluid p is the density of the process fluid in the pipe g is the acceleration do due to gravity Then our professor told ...

### Math

Which explains why the sequence 64, 4, 1/4,... is arithmetic or geometric? A. The sequence is geometric because it decreases by a factor of 1/16. B. The sequence is arithmetic because it decreases by a factor of 1/16. C. The sequence is geometric because it decreases by a ...

### English

Corrct the 10 mistakes found in the paragraph. You may have notice this plant Aloe barbadensis in your garden or neighbourhood,but may have not realise its medicinal property. (corrct noticed, realised, capitalise B in Barbadensis) It is used to cure many ailment (ailments) ...

### Physics

How far above the surface of the Earth does an object have to be in order for it to have the same weight as it would have on the surface of the Moon? (Ignore any effects from the Earth's gravity for the object on the Moon's surface or from the Moon's gravity for the object ...

### physics

A 610 kg satellite orbits at a distance from the Earth's center of about 5.3 Earth radii. What gravitational force does the Earth exert on the satellite?

### physics

A 540 kg satellite orbits at a distance from the Earth's center of about 5.4 Earth radii. What gravitational force does the Earth exert on the satellite

### Physics

Vectors A and B are in the xy plane and their scalar product is 20.6 units.? If A makes a 27.8 angle with the x axis and has magnitude A= 14.8 units, and B has magnitude B= 29.0 units, what can you say about the direction of B?

### Physics

The gravitational acceleration on the surface of Mercury is 0.38 times that of Earth. Its radius is also about 0.38 times that of the Earth. What is the ratio of the density of Mars to that of Earth?

### Language Arts Help me!!

Think about the work you completed in your reading character role. Determine the ideas that would be most worthy to share in a literary discussion about Johnny Tremain. Provide an explanation for your choices. How did the role you selected and the work you completed help you ...

### English expression

A family is the basic unit of our society. Let's learn the expressions for family relationship and for introducing a family. ------------------------ Are the sentences grammatical? What about the use of 'a' ? Am I using the article correctly? Or do I have to omit it?

### Another question about Napolean

Thank you for that website Ms Sue, it gave me good information which greatly assisted me in answering my question. However, I have another question that I cannot seem to get an answer to: How did Napoleon undermine the liberty of the French people?

### Chem please help

Which of the following would have the greatest entropy? A. Water placed in the refrigerator B. Water sitting out on the kitchen counter C. Water vapor D. An ice cube I think c what about you drbob222

### Personal Finance

Bernie and Pam Britten are a young married couple beginning careers and establishing a household. They will each make about $50,000 next year and will have accumulated about $40,000 to invest. They now rent an apartment but are considering purchasing a condominium for $100,000...

### Writing

I have spent 2 weeks writing a paper and I am trying to perfect the introduction. Below I will paste the introduction tell me what I can do to better and what questions you have and what it make you think of... “The disease of jealously is so malignant that it converts all ...

### college essay: please revise and edit

A Silly Phobia Toward A Gorgeous Dude From Cal Poly It was a cold Thursday night in the coastal area. The Sunnyside High School AVID students were on their way back home from the field trip of visiting UCSB. We stopped in San Luis Obispo and had dinner at the IN-N-OUT burger. ...

### English

The best way to buy a car. In the first place, people enjoy the companionship of car. Cars can be helpful in many ways. The best thing they are good for is going places. It is good to know that you have your own car. Owning your own car means not having to call someone for a ...

### Calculus

1. Find an ordered pair that represents 6 vector v - 5 vector w if vector v =(9,5) and vector w = (6,9). 2. Find an ordered triple that represents 6 vector y + 4 vector z if vector y = (2,6,8) and vector z = (7,-2,6) 3. Find the magnitude of vector WX for W(3, –3, 1) and X(8...

### Unit 4 memory, thinking, and intelligence

In this activity, you can replicate Sternberg et al.'s initial study by having your students list behaviors that are associated with academic and everyday intelligence. Ask your students to take out two sheets of paper. Tell them to label the first sheet "academic intelligence...

### 4th grade

On the average your heart beats about 72 times per minute. At this rate, about how many times will it beat: a) in a 30-day month; b) in a year; c)in your lifetime, if you live to 72 years of age?

### science

I remember hearing something about how the Mayans predicted that it took so many days for the sun to orbit the sun and then Nasa recently figure out that they were only slightly off. Does anyone know about this? Thanks

### Math

Thankyou very much! I'm having trouble with this question about taylor series. how would i go about doing the following questoin? thank you! find the maclaurin series for the function sin(x)-x+((x^3)/3!) how do i do this? thanks aagain

### Math

Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = 8 sin x, y = 8 cos x, 0 ≤ x ≤ π/4; about y = −1

### English

What is a good topic sentence for an essay about eating insects? *The article (source where I got the info from) was about insect eating and if more countries should try to consume it.

### calculus

using the method of shells, set up, but don't evaluate the integral, an integral for the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. Y=e^x, x=0, y=2, about y=1

### Calculus Help Please Urgent!!!

Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = 5x^2, y = 5x, x ≥ 0; about the x-axis V = ??? Sketch the region

### Language arts

based on the text preview as well as research about the background of the novel and the author's life a reader can predict that the novel will most likely be about Deez nuts HA GOT EM

### calculus 2

Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = 3 sin x, y = 3 cos x, 0 ≤ x ≤ π/4; about y = −1

### English

Hello. I'll be very grateful for some language help. Do you think it's correct to say: 1) "They negotiated about creating a coaltion." 2) "They expressed concern about increasing crimes." Thank you very much.

### English

Hi, I am analyzing poetry in my English class, and I have a? on Henry Wadsworth Longfellow’s poem, A Psalm of life. I have to say if it is emotional or physical. I think this poem is emotional, but I do not know how to explain that it is. http://oldpoetry.com/opoem/4413-...

### physics/ conversions

Please check these problems. 1. 92 X 10^3 km ---> dm My answer: 9.2 X 10^8 dm 2. 5.52 X 10^8 g ---> kg My answer: 5.52 X 10^11 kg 3. 8.66 X 10^-9 m ---> mm My answer: 8.66 X 10^-12 mm 4. 1 um ---> m My answer: 1 X 10^-6 m Thanks. 1 and 4 are correct. No so for 2 ...

### Physics

A squash ball hits a wall at a height of 4m and a distance of 6m away. If the ball left the racquet with a speed of 15m/s, with what angle did the player hit the ball? I have applied concepts of projectile motion and tried kinematic equations. However I have two unknowns that ...

### physics

A rifle is fired horizontally. The bullet is found to have traveled 200 meters. If the rifle barrel is 1.90 meters above the ground, at what speed must the bullet have been traveling as it left the barrel?

### Physics

If you drop a 1.0 kg weight from a height of 1.0 m, how many joules of kinetic energy will it have when it reaches the ground? Can I use the equation for work: W = F*s to find the kinetic energy? Or would I have to find the velocity of the weight as it falls because I'm not ...

### Economics

Hi guys, I'm having a lot of trouble with this question. Maybe I should have paid attention more, too late now though. If anyone could help or point me out in the right direction, I'd really appreciate it! Thank you. Here is what the paper says "Your assignment is one used for...

### Science 7R - The Human Body Prep Test

I have a test tommrrow on the The Human Body and I asked my science teacher if she can post a castle learning assignment about the Human Body (the day before the test she always post a caslte learning assignment for us to study and do well on the test the next day) and then ...

### physics

A typical baseball has mass of 150 grams. Suppose a batter hits a fastball pitched to him at 92 mph (which is about 40.89 m/s). After contact, the ball's speed is measured as 104 mph (which is about 46.22 m/s) directly back at the pitcher (who is able to duck out of the way, ...

### To Brandy: Cultural Diversity

I removed your post because you refer to materials that are not available to the Jiskha tutors. We have NO connection with Axia College! You've also not given us any indication of your thinking about this assignment -- not even to the first instruction that asks for your ...

### Social

Hi i have 2 weeks to write a paper about anything related to marketing. It has to be 7 pages so I need a good topic and a place to find solid information (our teacher said don't use wikipedia at all because he hates it). I was wondering if you could help me get started. thanks!

### CHEMISTRY

Complete the following nuclear reactions, which have been used to synthesize elements. This is one of the problems ^238_92U + ^12_6C --> __?__ + 6 ^1_0n What I am confused about is the 6 in front of the neutron. Do I multiply it by the 1 and the 0? So then, The answer would...

### reading

Is just reading the main idea of a paragraph in a novel effective? Like do you still get the same information as if you read the whole paragraph?

### Sociology (of Deviance)

What does C.W. Mills' idea of "Sociological Imagination" entail? How is it scientific? According to Higgins & Mackinem, what is deviance and who is deviant? Mainly, who/what is NOT deviant?

### english

edith for spelling and punctuation? its a good idea to put the matches into a waterproof case before you put them into your pack?

### English

A(n) ________ introduction begins with a point that is more specific than that of your thesis. A. quotation B. contrasting idea C. broad-to-narrow D. narrow-to-broad

### Physics

What is the average linear speed of Mercury about the Sun? (The distance from the Sun to Mercury is 5.80 1010 meters. The orbital period around the Sun is 88 days.)

### Physics

Given VectorA=12i+7j-5k and Vector B= 2i-4j+3k 1)Find angle theta between vector A and vector B? 2)Fine VectorB x VectorA How would I go about doing these problems ?

### physics

a 20 ohm and 60 ohm resistors are connected in series to a DC generator. The voltage across the 20 resistor is 80 volts. The current through the 60 ohm resistor? A) 1.0A B) 5.0 A C) is about 1.3 A D)4.0 A E) cannot be calculated

### Physics

What is the average linear speed of Mercury about the Sun? (The distance from the Sun to Mercury is 5.80 1010 meters. The orbital period around the Sun is 88 days.)

### Physics

At 6400 km above the earth’s surface, an object weighing 71 N on the surface would weigh only 18 N. Acceleration due to gravity will be about ¼ that on the surface of the earth.

### Writing Skills

The call number of the book that you're looking for is R865.2. What do you know about the book based on this information? A. It's a book of or about Roman literature. B. It's a book about medicine. C. It's a reference book. D. It's a book that can be gained through ...

### english

What is the simple predicate of the following sentence? The Saturn rocket made travel to the moon possible. A. Moon B. Made C. Possible D. Travel .. B? Which sentence uses correct parallel construction? A. Anyone who is going to work here will have to be athletic, an ...

### Spanish Proofread

Please help me proofread my spanish essay (so far). Thanks sooo much!! El sueño americano no existe solo para los pobres. No existe solo para los emigrantes. No existe solo para la joven. La idea del sueño americano es una que es conocida por todo el mundo. Cualquier persona...

### College Physics

Calculate the voltage required to accelerate a beam of protons initially at rest if they have a kinetic energy of 4.5keV. deltaV = V Calculate their speed if they have a kinetic energy of 4.5keV . v = m/s

### physics

If i have three resistors in parallel and series, then the first resistor (series) and the second resistor (parallel) should have the same average of the total voltage? is this true? i think it should

### physics

If i have three resistors in parallel and series, then the first resistor (series) and the second resistor (parallel) should have the same average of the total voltage? is this true? i think it should

### Physics

ou build a loop-the-loop in your backyard. It has a diameter of 3.10 m. a) How fast will you have to be moving at the top of the loop to avoid falling off? b)If you'll be coasting from the time you get to the bottom of the loop, how fast will you have to be going at the bottom?

### US history

In writing the Declerationf Independence, Thomas Jefferson was influenced most by John Locke's idea of 1 due process of law 2 natural rights 3 the rights of the accused 4 the right to privacy Is the answer 2 ?

### Business English

When brainstorming, you obviously want good ideas. Researchers, managers, and inventors say that it is a good idea to do all of the following except: a. relax b. play music c. laugh d. stress out

### Education

Assimilationist ideology supports the idea that the schools should serve to homogenize newcomers at the best possible speed. True or False? I want to say true, but would like a second opinion.

### Physics

Wave interference 1) Is a property of light 2) is a property of all waves. I think the answer is number 1. Is this correct? I have an equation that is 6.63/8.3=0.79. I have to use the correct number of significant digits and units for my answer. Would it be 7.9 or .079?

### Physics

Wave interference 1) Is a property of light 2) is a property of all waves. I think the answer is number 1. Is this correct? I have an equation that is 6.63/8.3=0.79. I have to use the correct number of significant digits and units for my answer. Would it be 7.9 or .079?

### Physics

You build a loop-the-loop in your backyard. It has a diameter of 3.10 m. a) How fast will you have to be moving at the top of the loop to avoid falling off? The answer I got was 3.90 m/s. Is this correct? b)If you'll be coasting from the time you get to the bottom of the loop...

### Marketing

Does anybody know about Miele Domestic Appliances? Its a German manufacturer of domestic appliances, I need to know why they are so successful in the marketplace, and what threats does they face. I went to thier websites but they didn't have such information. Thanks.

### English Expressions

I uploaded 4 videos about Genesis on the Pixcow website. The first video didn't seem to have a good screen quality. ================================ Is the expressions correct? Did I use the correct prepositions?

### Social Studies

'That rural Australia is NOT always given the short straw' If you don't happen to know about Australia, just rural areas in general. What advantages do they have over modern cities?

### algebra

I need to list some jobs where people use algebra and write how they use it. I know about every job uses it, but I don't know how to find examples. Do you have any guidelines or helpful hints?

### science

I have a few questions about stars. 1. How hot do they get? 2. Is it possible to reach a star? 3. Has anyone ever touched a star before? 4. How long would it take in order to reach one?

### psy265

What are three components of attractiveness? Which of the three is most important to you? Why did you choose this factor? Consider, as you respond to your classmates’ posts, how their responses have had an effect on your views about attractiveness

### Literature

'Make a list of possible conflicts or dramatic situations for a narrative. You have an open feild, the narrative can be about anything! These might be internal or external conflicts and they can be personal to your or not.' Any suggestions? Thanks -MC

### Milky Way

I have to make a concept map for the milky way, and I'm wondering if that means jotting down facts about it like a web. I am stumped on this and I need help, I'll greatly appreciate ur help, thanks

### american government

American's founding have roots in: a)beliefs about the proper use of war b)commercial practices c)system of absolute rule d)religious beliefs IS D CORRECT ANSWER ?THANK YOU:)))

### Government

Do you think that governors should have significant powers? I know there are about 14 states, Texas being one that their governor has very little power. But why should these governors be allowed more?

### lsu

I want to check and see if I understand an independent clause and a dependent clause. In this sentence. "Bethany went home and spoke with her mother about tomorrow's parade. Do I have 2 independent sentences?

### English

I am writing a personal narrative and we have to include significance like what we learned from that memory. My memory is about me getting stung by a bee in elementary school but I can't think of any significance. Help please? Thanks!

### Civics/writing

Can someone please help me with a sentence? this is what i have so far~ We were inspired to use the Miranda rights as our topic when in school learning about rights and responsibilities.*****sentence I need help with****.

### functions (easy explanation)

I have a very quick question about exponential functions. I know how to use them and apply them but I don't know how to explain why they are always positive. Does anyone know why? An example of an exponential function would be 5 to the power of x. Thank you!

### chemistry

If you wanted to make a barometer that had a column of liquid about 6 feet tall, what would the density of the liquid have to be? 1 meter = 3.28 ft 1 inch = 2.54 cm Density Hg = 13.6 g/mL 1atm = 760 torr

### math

Suppose you have cards with the digits from 0 to 9, one card for each digit. Complete the following calculation using all of the cards. Explain how you went about getting your digits/answer.

### help science

3 simple steps for DNA duplication I have found so many answers but cant get a concise one. 1. separation - of 2 dna strands unzips ? 2. duplicates ? 3. zips back up ? and then a simple sentence about each

### English-The Giver (book)

Can someone please give me soome info about the character The Giver? A link to some info would also be great! Thanks and have a good day!

### SS, PLZ HELP ME FAST!!!!

What conclusion can you draw about the comparative advantage other countries have in farming over Japan and the Koreas? So, What Does This Question Mean? Also, whats Comparative Advantage?