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

163,123 results, page 99

English

1. The fact that he died suddenly is unbelievable. 2. I like the idea that people can live on Mars in the future. 3. I had the feeling that he was very nice. 4. It is difficult to get the chance that you can be employed at the company. --------------------------- Are they all ...

physics

The figure shows an overhead view of a uniform 2.00-kg plastic rod of length 1.20 m on a very slick table. One end of the rod is attached to the table, and the rod is free to pivot about this point without friction. A disk of mass 36.0 g slides without friction toward the ...

Physics

In the manufacture of a cam, a uniform solid cylinder of radius R is first machined. Then an off-center hole of radius R/2 is drilled, parallel to the axis of the cylinder, and centered at a point a distance R/2 from the center of the cylinder. Then cam, of mass M, is then ...

CJS.230

Needing help finding websites about the germany crrectional system for my class on CJS.230? Here is the assignment in which i will post here. I'm not wanting answers to the assignment, just needing help find creditable web sites on the Germany correctional system. I have to ...

math

For each speed, find how much time it will take the students to reach these cities on their route: 1. Atlantic City, New Jersey, about 320 miles from Norfolk. 2. Baltimore, Maryland, about 3/4 of the way from Norfolk to Atlantic.

Science

I want to research or information about perception of time. For my Science Fair project, I'm starting a timer and then asking people to stop me when they think a minute is done. I want to know some information about this topic, esp. what are the most important things that ...

Math

Mrs.Miller travels 60 mi round-trip to work.She workds 5 days a week. Her car gets about 25 mi/gal of gasoline.. About how many gallons of gasoline does MrsMillers car use during her weekly commute?

gr10 math

The playing surface in the game of curling is a rectangular sheet of ice with an area of about 225 m^2. The width is about 40m less than the length. Find the approximate dimensions of the playing surface. How would i solve this?

Literature

Assuming “Kubla Khan” is a deliberate fragment (i.e. that it is finished in its unfinished state), what does the introductory narrative imply about the nature of (ideal) poetic creation? How does the narrative frame our understanding of what the poem fragment is or is about?

Shakespeare, English

Hi i need to write about 5 paragraphs about: Compare different ways that Shakespeare describes dreams in the three extracts (Puck's final speech, Clarence's Dream & Caliban's Dream) using PEE

HISTORY

True False Following the conclusion of the war, Lincoln’s second term in office was much more peaceful. Not sure about this question, because Lincoln talked about peace in his speech but his term was so short because he was shot.

English

1. Will you summarize the passage? 2. Will you tell us summary of the passage? 3. Will you make a summary of the passage and say it to us? 4. Will you tell us about the summary of the reading text? 5. Will you summarize the passage and say it out loud in front of the ...

buisness

Is it a good idea to open america fast food resturants in disney parks overseas, selling the same types of food as sold in U.S. disney parks? why or why not?

Math

Solve the equation 2cos2x = √3 for 0°≤x≤360° I did this: cos2x = √3 /2 2x=30 x=15 x=15, 165, 195, 345 Is this correct? Solve the equation √3 sin2x + cos2x = 0 for -π≤x≤π No idea how to approach this one Thanks a bunch for the help!

Economics

Help! I have an assignment and I lost my textbook. Does anyone have "Managerial Economics for a Global Economy" by D. Salvatore (6th Ed)? If so, I need the integrating problem #15 on page 32. All I know is it is something about Samantha and a pharmacy... see below ~~~~~~~~~~ ...

Physics

A thin rod of length L and mass M rotates about a vertical axis through its center with angular velocity w. The rod makes an angle B with the rotation axis. Determine the angular momentum of the rod.

Physics

I know a steady force produces a steadily increasing velocity and a constant acceleration. But what happens when you increase the force by doubling or tripling it? I think the acceleration would follow force changes but what about velocity?

physics

A body is suspended vertically from an ideal spring of spring constant 3.4 N/m. The spring is initially in its relaxed position. The body is then released and oscillates about its equilibrium position. The motion is described by the following equation.

Physics

A football punter accelerates a football from rest to a speed of 9.1 m/s during the time in which his toe is in contact with the ball (about 0.247 s). If the football has a mass of 484 g, what average force does the punter exert on the ball?

Physics

A football punter accelerates a football from rest to a speed of 9.1 m/s during the time in which his toe is in contact with the ball (about 0.247 s). If the football has a mass of 484 g, what average force does the punter exert on the ball?

Physics

A football punter accelerates a football from rest to a speed of 9.1 m/s during the time in which his toe is in contact with the ball (about 0.247 s). If the football has a mass of 484 g, what average force does the punter exert on the ball?

Physics

While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body mass. If a 61-kg person develops a power of 75 W during a race, how fast is the person running?

physics

How do i go about this problem? a car starts from rest at a constant velocity and reaches a velocity of 25 m/s when it reaches 180 meters. What will be the velocity when it continues another 95 meters? Thanks

physics

The radius of Earth is about 6.38 103 km. A 7.40 103 N spacecraft travels away from Earth. What is the weight of the spacecraft at the following distances from Earth's surface?

help help help chemistry

why will no one answer this question? For a one step reaction, the activation energy for the forward reaction is 40.0 kJ/mol and the enthalpy of reaction is -20.0 kJ /mol. Which statement below is true? a. The activation energy of the forward reaction would be affected to a ...

Biology

I would like some help if that is OK, like soon!:) 1.) A group of scientists proposes an idea that a chemical compound will enable bean plants to grow faster. They grow one group of bean plants in the presence of the compound and another group in the absence of the compound. ...

Writing Tests

Lately, for the past couple of tests I've written, I suddenly blank out and can't recall any information... Normally I've been fine, but writing tests has suddenly become more difficult for me. I do study a lot, though - reviewing notes and doing questions. Perhaps I'm not ...

math

Recall that Benford's Law claims that numbers chosen from very large data files tend to have "1" as the first nonzero digit disproportionately often. In fact, research has shown that if you randomly draw a number from a very large data file, the probability of getting a number...

physics

thanks again to anyone who can possibly help!!!!! i wish i had a book or notes or something about this kind of stuff :( The linear expansion coefficient of glass is 9 x 10^-6 (`C)^-1. An automobile windshield has dimensions of 59 cm by 390 cm. What minimum spacing around the ...

chemistry

I have 3 questions that I am uncertain about. 1) what determines the order in which the coumponent elements of binary molecular compounds are written? 2) Name the Binary compound according to the prefix system for As2O5 3) write the formula for each of the binary compound for ...

Drama

About the movie" Hotel Rwanda¡±£º 1. 1. What moment did Paul's life change? 2. Could Paul have changed his mind? 3. At what moment was Paul past the point of no return? 4. What are the positive and negative sides of attempting to recreate actual events on film?

math

East Battle Lake in Minnesota covers an area of about 1950 acres or 8.5X10^7 square feet and its average depth is about 3.2x10^1 feet. a. Estimate the cubic feet of water in the lake. (hint: Volume=area x average depth.) b. One cubic foot of water equals about 7.5 gallons. How...

English

I forgot to add these following sentences. Thank you very much. 1) Our school has got about 1000 students and is situated in a hilly area, about 60 km from Florence. It is world renowned for its production of red wines and white truffles. 2) It is also seat of a famous candy ...

Language Arts

1. which question should you ask during your secaond read of the multi-draft reading process A how has this work increased my knowledge of a subject, author, or genre <--this one B How does the speaker feel about the topic C How does the poet's word choice create vivid ...

Physics

I have performed an experiment of simple harmonic motion and the values I got Mass(g)Distance (m) 200 0.438 250 0.398 300 0.345 350 0.312 400 0.297 450 0.281 500 0.259 I would like to know how to calculate the spring constant... since I have been having weird values, if ...

Physics

A motorist travels at a constant speed of 37.0 m/s through a school zone, exceeding the posted speed limit. A policeman waits 7.0 s before giving chase at an acceleration of 3.2 m/s2. I have solved that it will take 36 seconds for the cop to catch up to the car. However, I am ...

French-SraJMcGin

Did I translate these two sentences correctly? (please forgive my accents)I know the words that I need, but I am not sure how's the ordering in the sentence. What days do you have your french class? = Quel jours tu as un cours de francais? I have french class every monday and ...

Preschool teacher needs your help... thx soo much

Pre-school teacher NEEDS YOUR HELP!!! thanks sooo much? I am a preschool teacher and the theme for this week is "Land/Air/and water".... My kids are 3 and 4.... what lesson ideas or craft ideas do u have in mind for this theme... I wanted to do a fun activity about the water ...

home economics

what is the philsophy of home economics education? Wouldn't this vary with time, culture, and many other factors? And from school to school? I remember in the 1950's at the University...most subjects were taboo for women to take, such as engineering, business, math. For women...

help me please

today has been very hectic along with homework i found out about 3 tests that i have tommorrow. I have to study for all three of the tests. The first is biology, second, is business law, and third it in Algebra II, and for homework I have to read 10 pages out of a book (not so...

English

Thank you vey much for your last corrections. Here are some more alternatives I'm not sure of. 1) In Chapter 7 Marlow interrupted (suspended??) his story to describe Kurtz to the other sailors (can you say: “to his fellowship?). Kurtz became important to the natives because ...

US History

Hello! I have to do a project about a colony that became a state, and I decided to do Connecticut. There's some things I need to find out, like who were the first settlers, what special problems did they face, and who were the early leaders? Can someone point me out a place to...

History

Can someone give me a few examples of economic factors/conditions determining foreign policy decisions. The one example I have so far is the economic crash in 2008 triggering a outcry for economic relief. People no longer cared about the iraq war.

reading

who is most likely to have A DIFFERENT POINT OF VIEW ABOUT RESCUING MARNE ANIMALS? I PUT A PERSON WHO SELLS SEAL FUR FOR A LIVING OTHER OPTIONS ARE A PERSON WHO WORKS AT AN AQUARIUM A PERSON WHO STUDIES THE OCEAN AND ITS CREATURES A MARINE MAMMAL TRAINER

Physics

Two resistors have resistances R1 and R2. When the resistors are connected in series to a 12.4-V battery, the current from the battery is 2.13 A. When the resistors are connected in parallel to the battery, the total current from the battery is 9.01 A. Determine R1 and R2. (...

Mathematics

Does anyone have an idea? A jazz band sells 31 large boxes of fruit and 74 small boxes of fruit for a fundraiser. a. Write and simplify an equation using distributive property to find the profit. b. A large box of fruit costs $9 and a small box of fruit costs $4. What is the ...

Physics

An astronaut has crash landed on a planet that little is known about (not even the acceleration due to gravity). She must descend a steeo cliff to find shelter, but wants to know how high the cliff is before making the attempts. She happens to have salvaged a stopwatch from ...

Physics HELP

A 2.0-m measuring stick of mass 0.215 kg is resting on a table. A mass of 0.500 kg is attached to the stick at a distance of 72.0 cm from the centre. Both the stick and the table surface are frictionless. The stick rotates with an angular speed of 6.50 rad/s. (a) If the stick ...

Science

Which of the following is true about the electric charges on the objects below. [Picture Shows to Balls Being repelled from each other] A. The ball on the right has a positive charge and the ball on the left has a negative charge B. The ball on the left has a positive charge ...

Philosophy/Social Ethics

Any guidance as to where find answers to the following questions or any related ones would be super. Would a market for procuring organs lead to commodification of the human body? What do we do when there are not enough organs to meet demand? Do people who accept organ ...

HTT 200

in 200 to 300 words, for which department you would rather work. Which department do you feel is the most important? „h Provide two examples of why it is important to know information about areas other than the one you have chosen.

German

I have to write a 250 word essay in German. You are going to talk about a trip you took to all four German-speaking countries. (Don't forget Liechtenstein!) Can someone help me i don't know what to write? Plus my german isn't good enough.

First Year Chemistry

I have a question that I don't understand from my first year chem lab. Calculate the minimum volume of water needed to decompose all the excess Ethanoic Anhydride. Recall: 1.0g of H2O = 1.0 ml of water. How do I go about doing this?

IPC

the highest pressure ever produced in a laboratory setting was about 2000000 atm. if we have a .000010 liter sample of a gas at that pressure until it is equal to 0.275 atm, what would the new volume of that gas be?

biology

which of the following statements about enzymes is NOT true? A. enzymes work best at a specified pH B. all enzymes have the same shape as their substrates. C. enzymes are proteins D. the shape of an enzyme allows it to do its job. im pretty sure its A. Am i right?

As physics

In a hockey match a hockey ball is hit 18m from the front of the goal. The ball leaves the hockey stick with initial velocity v at angle theta to the horizontal ground. The ball passes over the goal at a maximum height of 2.0m. The initial vertical component of the velocity of...

Generalization essay

"In this exercise you'll write an essay supporting a generalization you've stated about some topic." Any ideas for generalizations? I have to list 5 and use one. A generic generalization is the most common type. All dogs bite. Here is a good definition. Generic generally means...

Math

I want to buy a house in 5 years. I need to have a down payment of $50,000. How much do I need to have today in order to have the down payment, if I can earn 5%? I have tried to figure this out and have arrived at 39200.00

English

Your opinion on Online Banking. How you feel about it. Gurv, What do you need to know about Online Banking? Here is a site that gives the pro/con. http://www.fool.com/news/take/2002/take020115.htm Are you writing an essay? If so, after you finish it, we will be happy to give ...

Exponential Modeling

Atmospheric pressure decreases by about 12% for every kilometer you climb. The pressure at sea level is about 1013 atmospheres. How many atmospheres of pressure will you feel at 8.848 km?

English

1. I want to make an educational program. I will name it "Let's Learn English." With the help of two native speakers, the Japanese teacher can make a good textbook. Viewers can learn Japanese effectively on TV. (Would you like to check the passage above?) 2. How many hours a ...

Physics 11

Waves traveling along a string have a wavelength of 2.4m. When the waves reach the fixed end of the string, they are reflected to produce a standing wave pattern. How far from the end are the first 2 antinodes? I feel like I don't have enough info here... I know that 1 ...

physics

A typical lightning bolt has about 10.0C of charge. How many excess electrons are in a typical lightning bolt?

AE

Read the following scenario: You are a second-grade teacher at Happy Valley Elementary School. You are teaching language arts and social studies. Your classroom of 21 students consists of 7 white students, 5 Latino students, 4 African American students, 3 Native American ...

social studies

I need to know about confidentiality of a person living with H.I.V.I would like to know if u know a person that is living with this virus can u tell others about this person.Is their any law that prohibits me of this

english

How does Dante feel about the journey he’s about to take with Virgil? worse than before he talked with Virgil better now that he’s talked with Virgil unsure excited

English

How does Dante feel about the journey he’s about to take with Virgil? worse than before he talked with Virgil better now that he’s talked with Virgil unsure excited

Economics~~URGENT!!!

i am not a spoon feeder, i just don't have any idea about these messy questions. ASSIGNMENT 5: DUE 4.00PM, 4/09/08 1. A competitive firm uses coal to generate electricity. Its supply curve is Q = 300P - 1000, where Q is quantity produced (units of electricity per year), and P ...

Physics

For a I got 36666.67 seconds which I don't know if its right and then b I know my answer is wrong because I got 0.0375 for wavelength.And I don't understand how to do e or f.   The Voyager 1 spacecraft is at the edge of the solar system, about 11 billion km away. (a) How ...

1 question!

Answer the following question about the poem “Fable for When There’s No Way Out.” How does this line from the poem help explain the outcome of the chick’s struggle? “Rage works if reason won’t.” Okay, I have read this poem, but I do know how to put this question ...

Physics

Police examine the scene of an accident involving two cars, which is parked. The skid marks of the moving car, which nearly came to a stop before the collision, is 80 meters long. The coefficient of kinetic friction between rubber and the pavement is about .80. Estimate the ...

physics

1.descibe the construction and working of machine used to generate high voltage? 2.draw electric lines between the plates of a parallel plate capacitor with 1(air) and 2(dielectric) as a medium? 3.near the surface of earth the field is about 100V/m. why do we then not ...

math,correction

Directions are: Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. (18 + sqrt567)/(9) this is what i got: (41.811761799581315314514541782753)/(9)=4.6457513110645905905016157536393 Your answer is silly. I have about ...

Maths

Two people are about to begin an 18000 km trip across Asia in a Land Rover. They know that each tire will last for exactly 12000 km and not one bit more. Since they have a four-wheeled vehicle, can you figure out the least number of spares they need to complete their trip?

Asia - JAPAN- Pollution

Hi, I have got a question about Japan's geography; In which ways has the actions of man ( people) affected Japans land? I mean like acíd rain, carbon dioxide etc.( negative effects on the country) I've been googling it, but I can´t find anything. Bea

PHYSICS

A light spring (k= 130 N/m) is compressed 15 cm between two masses (1.2 kg and 2.4 kg) on a frictionless surface. The system is released and the masses fly apart. Which mass will have the larger magnitude momentum? Why? Which mass will have more kinetic energy? What is the ...

Science physics

mandy drops a 2.0kg book from a height of 4.5m. how much work has gravity done on the book? M=2.0kg D= 4.5m Not actually sure what to do next. Because none of the formulas work. I need work but I don't even know the force. To find force I need mass which I have but I don't ...

Chemistry

Because the mass of the reactants equal to the mass of the product of a reaction, the number of moles will be conserved. -I think this is sometime true but I don't know a way to prove that it sometime true. Anyone got an idea ? Thanks

5th Grade Math

Question:Percy is coloring a flag he made for class. He can use the colors blue, green, yellow and red.He can paint the rectangle part (backround) of the flag one color, the triangle one color, and the star one color. For example, Percy could make the star yellow, the ...

physics

a block (mass m1) on a smooth horizontal surface, connected by a thin cord that passes over a pulley to as second block (m2), which hangs vertically. Ignore friction and the masses of the pulley and cord. If m1 = 13.0 kg and m2 = 6.0 kg determine the accleeration of each block...

Physics

Does the de Broglie model assert that an electron must be moving in order to have wave properties?

PHYSICS

How is it possible to have an instrument like a bugle that has a fixed-air column play a melody?

physics

What is the temperature of an ideal gas whose molecules have an average translational kinetic energy of 3.90 10-20 J? K

physics

x-rays produced in an x ray machine can have a frequency of 1.4*10^14 what is the wave length of these electromagnetic waves in nm?

Physics

Two vectors A and B have magnitude A = 3.00 and B = 3.00. Their vector product is A x B= -5.00k + 2.00i. What is the angle between A and B?

Physics

Two vectors A. and B have magnitude A = 3.00 and B = 3.00. Their vector product is A x B= -5.00k + 2.00i. What is the angle between A and B?

college physics

Hi given you have a half-wave rectifier and you know alternating current = VSin2(pi)fT, how do you calculate V(o)t?

need physics help

d=2.1 a=? vi=0 and t=.60 and i have to use the formula d=vit+1/2at^2, how do i do this? can you please show work so i can understand.

physics

How much potential energy does a 20-kg barrel have when it is in the truck whose floor is 5.0 m above the ground?

Physics

If I have an originaloscilation frequency of .64 and amplitued of 15 What would doubling the mass of the object do to the freqency and amplitude?

physics

If four containers, 10ml to 50ml,have the same temperature, which has the greatest thermal energy?

Physics

What thrust does a 350 model rocket need in order to have a vertical acceleration of 14.0 on the Earth?

physics

Two charged spheres are 8.00 apart. They are moved, and the force on each of them is found to have been tripled

physics

for a sateliite to have a speed of 7400 m/s how far must it be in metres above the earth's surface

physics

An object that has kinetic energy must have which of the following?A) momentumB)acceleration c all of these d none of these

physics

You have exactly 1 L of ethyl alcohol at room temperature 23 C. You put it in a refrigerator at 4 C.What's its new volume?

physics

why do cars have head rests?your answer should include the word ''force'' and ''velocity''

physics

Why do car have head rest?your answer should include the word"force"and "velocity"

physics

Why do car have head rest?your answer should include the word"force"and "velocity"

Physics

How far above the surface of the earth would you have to be before your weight is reduced by 12.89%? Please Help !

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