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

80,008 results, page 47

1. ### chemistry

Oh my my test is coming up and I have no idea how to do these questions and when I asked my teacher for help he said you should do it yourself.... Thanks! An intermediate step in the production of battery acid, sulfuric acid, invoves the information of sulfur trioxide gas from...
2. ### physics

Name of physics book for 11 and 12.to catch engineering exam and other competetive exam
3. ### chemistry

I have no idea how to solve this problem, please help me out.... thanks a) A liter of a solution saturated at 25degree with calcium oxalate, CaC2O4, is evaporated to dryness, giving a 0.0061gm residue of CaC2O4. calculate the concentrations of the ions, and molar solubility ...
4. ### Physics

800 n student is standing in middle of frozen pond stranded 6.4 m from shore only thing he has is physics book which has mass of 3 kg so he throws it at 10 m/s toward one shore how long does it take him to reach opposite shore
5. ### math

how manyyards are in a mile? 1760 I think There are 5,280 feet in a mile. There are 3 feet in a yard. 1 mi x (5,280 ft/1 mi) x (1 yd/3 ft) = ?? Note that the first factor cancels miles and changes miles to feet, the second factor cancels feet and converts to yards. The idea ...
6. ### algebra

i need help finding the base. this is the equation i got after work it out halfway. 42/h+h+sqroot(42/h)^2+h^2=20 ft how can i find B & H. How should i go about. Thanks. Isnt the sqrt of (42/h)^2 just 42/h ? Then, multipy both sides of the equation by h, that gives you a third ...
7. ### Writeacher

Writeacher, I just want my answer to be clarified. So the original idea of boundaries was to separate the land among the territories and provinces...??? And make locations on maps seem easier? --I still feel like I'm missing out on some things, but I don't know what other ...
8. ### Chemistry

Ranking equilibrium constants from largest to smallest according to an image?Ethene (C2H4) can be halogenated by the following reaction: C2H4 (g) + X2 (g) -><- C2H4X2 (g) where X2 can be Cl2 (green), Br2 (brown), or I2 (purple). Examine the three figures below ...
9. ### Chemistry

Hey; I'm currently in a kinetics class and I am trying to do a prelab for a lab that we haven't learned the material for yet and I'm really stuck, and we unfortunately don't have a textbook for the class so I was hoping someone could help. We have the compound m-xylene and it ...
10. ### Calculus 2

An underground tank full of water has the following shape: Hemisphere - 5 m radius. at the bottom Cylinder - radius 5 m and height 10m in the middle Circular cone radius 5 m and height 4 m at the top The top of the tank is 2 m below the ground surface and is connected to the ...
11. ### Econ-expected utility & insurance

John is a professional football player and next year will be able to sign a \$25 million contract if he does not get injured this year. If he gets injured this year, his value will be significantly reduced and he will only be able to sign a contract for \$5 million. Suppose that...
12. ### spanish.

translation por favor? Por casualidad pasó por allí un Labrador que era vecino de don quijote verle caído en el suelo, le ayudó a levantarse y le subió sobre su burro. Puso las armas sobre rocinante, y, tomándole de le rienda, se encaminó hacia su pueblo a donde ...

1. What could happen if you use too much clip art and animation in your presentation? A. You have to pay for each piece of clip art and animation, and your presentation will become very expensive. B. The viewer will become easily distracted by the visuals and not pay as much ...
14. ### main idea

This question is based on the following passage. Both Seagulls and wild geese are large birds. They're also similar in that both kinds of birds can fly over great distances. On the other hand, seagulls are scavengers, while wild geese aren't. Seagulls, for example, are often ...
15. ### Chemistry

During a fractional distillation of a 25mL ethanol/H2O soln, it was found that first the temperature stayed constant at ~75 C for 3mL of soln, then it went up to 100 C for the rest of the soln. The first question is: Assuming that the unknown (ethanol) did not form an ...
16. ### English

Tomorrow for my english exam we are expected to write an in class comparative essay on LOTF vs. AF. We have to compare the similarities between the two. The similar aspect I have chosen to write about is fear, and how it is used for control. For my first two paragraphs I have ...
17. ### Literacy

6.The idea that countries should produce and sell goods that they produce most effectively and efficiently, and buy goods that other countries produce most effectively and efficiently, is known as A. absolute advantage theory. C. efficiency balanced trade. B. free trade. D. ...
18. ### ALGEBRA

Find all positive values for k for which each of the following can be factored. I have 2 problems i think i got the one right but not sure the second one i have no idea where to even start 2x^3+16x^2-40x=2x(x^2+8x-20) (x-2)(x+10)=8x this one i am stumped can some one explain ...
19. ### A comparison and contrast essay uses which of the

1. A comparison-and-Contrast essay uses which of the following elements? (Select all that apply) A. two subjects that are similar and different B. an opinion to change the readers mind C. supporting factual details D. the relationship between cause and effect E. a main ...
20. ### Biochem

The number _____ and _____ sign are assigned to the first nucleotide of a transcriptional unit. a. 0, positive b. 1, negative c. 1, positive d. 0, no sign No idea what the answer might be. Since this is not my area of expertise, I searched Google under the key words ""first ...
21. ### Statistics (elementary probability theory)

In an examination 60 candidates offer maths, 80 offer english,and 50 offer physics, if 20 offer maths & english, 15 offer english & physics, 25 offer math & physics and 10 offer all the 3. How many students entered to the examination ?
22. ### physics

A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you...
23. ### physics

A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you...
24. ### 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-...
25. ### math

10m/11p.44p/20k.15k/8m we are multiplying and dividing rational expressions. can ne1 help? I have no idea what you need. Your first line makes no sense. i know, it doesn't make any sense to me either...it's fractions 10m/11p times 44p/20k times 15k/8m. we have to multiply and ...

4. What would the graph of y = x^2 + 1 look like? (1 point) a straight line a parabola a dotted line none of the above 5. What would the graph of 10/x look like? (1 point) a straight line a parabola a curve none of the above 6. What would the graph of y = 3/4x – 7/8 look ...
27. ### MATH Trouble

I have no idea what this problem means: For how many two-digit numbers if the ones digit larger than the tens-digit? Can you find a systematic way to arrive at the number? Ok, every 2-digit number looks like xy, where x is the 10's digit and y is the one's digit. It should be ...
28. ### English help

Which details can be considered primary support for the main primary suppor for the main idea statement. The development of speech in infants follows a definite sequence or pattern of development. a.By the time an infant is six months old, he or she can make 12 different ...
29. ### alberaic method!

how do I convert 0.12... to a fraction using algebraic method? Isn't 0.12 twelve hundreths? 12/100 = 6/50 and it can be reduced further. I'm not sure what is meant by "algebraic method" here, but .12 is the same as 12/100 Generally, if you have a decimal like .xy...z then ...
30. ### mira mar

What do you think about my essay, It is a Cynthia Owens English 43 Instructor Toland Perry Dec 5th, 2011 How to Make a Fruit Pizza My fruit pizza is always a great conversation piece at any occasion I have taken it to, and it is always the hit of the party. For example, once I...
31. ### SoCiAl(again)

Which Enlightenment writer expressed the idea that the relationship between government and the people it governs is a social contract? a- Cincinnatus b- John Locke c- Cicero d- Baron de Montesquieu could it be d? I've never even heard of Cincinnatus......... http://en....
32. ### math

A bicyclist rode into the 5h. In returning, her speed was 5 mi/h faster and the trip took 4h. What was her speed each way? distance =rate*time The distance is the same. y = rate going z = rate returning Going: d = y*t = y*5 = 5y return: d = z*t = z*4 = 4z we know the return ...
33. ### math

a man makes chairs for \$87and sells for \$127.89. what is the percent markup for each chair based on the cost? what is the process? also another one as priced \$73 marked down and sold for \$54.75? what was the % markdown? Alright Haydee, I'll make some guesses. His profit is \$...
34. ### Calculus

this homework is due in one hour and i have no idea how to answer these questions. 1. A car is traveling at 50 mi/h when the brakes are fully applied, producing a constant deceleration of 20 ft/s^2. What is the distance covered before the car comes to a stop? 2. A stone is ...
35. ### Physics

Hello! I live in Mexico, and I have a couple of questions I asked on Y answers, both English and Spanish, and have gotten no reply, and I need to turn this in for my bimonthly exam in physics this Monday. I need to calculate the volume and surface area of two of the pyramids ...
36. ### Nedd Help Please - PreCalc

The coordinates of the five quarter points for y=sin(x) are given below. Use these quarter points to determine the y-coordinates of the quarter points of y=2sin(1/4x). (0,0) (π/2,1) (π,0) (3π/2,−1) (2π,0) ​(Type ordered pairs. Type exact​ ...

While visiting Planet Physics, you toss a rock straight up at 13.6 m/s and catch it 3.50 s later. While you visit the surface, your cruise ship orbits at an altitude equal to the planet's radius every 340.0 minutes. What is the mass (in kg) of the planet?

While visiting Planet Physics, you toss a rock straight up at 13.6 m/s and catch it 3.50 s later. While you visit the surface, your cruise ship orbits at an altitude equal to the planet's radius every 340.0 minutes. What is the mass (in kg) of the planet?
39. ### English

Thank you for your last corrections. Can you check the grammar in the following sentences, please? 1) A: "What would you like to drink?" B: "I'll have a coke, please". A: "What about you?" (and not "And for you?")C: I'd like an orange juice. 2) The Celts were a tribal ...

The infamous Wile E. Coyote has been chasing the Roadrunner again. His latest idea for a trap involved launching an enormous boulder (about 16ft in diameter) up to a height of 750 ft, hoping that it would come down crashing on the unsuspecting Roadrunner. Unfortunately, as ...
41. ### History

4. Who Killed Alexander Hamilton in a duel in 1804? Aaron Burr? 5.Who broadened the Supreme Court's power A.John Adams B.Thomas Jefferson C.William Marbury D.John Marshall Answer : D 6. In Marbury v Madison (1803) the US Supreme Court established the A.Legality of slavery B....
42. ### chemistry

1. Ideal gas particles: A. have no mutual attraction and no individual volume. B. have no mass or volume. C. have no odor and no color. D. have no density and do not form bonds. Is it A? 2. Why does the density of gas in a hot air balloon decrease as the gas is heated? A. The ...
43. ### French for Mischa

PRESENT TENSE OF REGULAR -ER VERBS AFFIRMATIVE: jouer = to play (the infinitive is introduced by "to" and does not say WHO or WHEN; that's why it's called "infinite/infinitive!") (I play, I DO play, I AM playING) = note 3 possible English translations for just one French form...

find the mainMyth 1: You only need to read the material once. Textbooks are packed with too much information to understand, much less retain, in one reading session. This is particularly true if the information is new and unfamiliar. Most students who can read and retain ...

Shantel and Kwamie are planning to buy their first home. Although they are excited about the prospect of being homeowners, they are also a little frightened. A mortgage payment for the next 30 years sounds like a huge commitment. They visited a few new developments and scanned...
46. ### Biology

1. A famous scientist once said that wherever in the universe life exists, some of those life-forms must be colored. Why would the scientist make such a statement? 2. One of the accessory pigments used in photosynthesis is beta-carotene, a carotenoid found in high ...
47. ### psy - revise

match -Psychodynamic Theory -Trait Theory -Learning Theory -Humanistic Theory -Sociocultural k. consists of five major personality factors which are reasonably stable elements of personality. These factors include extraversion, agreeableness, conscientiousness, neuroticism, ...
48. ### Calculus

I need some help on getting ideas for my limits & continuity calculus project! For the limits project: I have to conduct an "interview with a limit" (Q&A format).I have to include factual information like definitions, properties, theorems, etc. I also have to include sketches...
49. ### College Chemistry

The density of a 0.0122 M KMnO4 is 1.037 g/mL. Suppose 26.35 g of 0.0122 M KMnO4 are required to titrate 1.072 g of a household H2O2 solution. a)Calculate the mL of MnO4^- added to reach the endpoint. b)Calculate the moles of MnO4^- added to reach the endpoint. c)Calculate the...
50. ### Physical Science

These are two questions that I need help with: 1.What statement about light traveling through water and glass is true? A.Water and glass absorb different colors of light B.Light changes colors as it passes from water to glass C.Light travels at different speeds in water and ...
51. ### English

Hi, I recently posted a question about postmodern and modern theories of criticism, and I still don't really understand it. Could someone please explain these two to me? I found some info.. but I still kinda don't understand. "Postmodernism represents the rejection of the ...
52. ### SOCIAL STDIES HELP!!!!!

1. What was the New South philosophy? (1 point) a philosophy that the southern economy should become more industrialized the idea that African Americans should own more businesses*** the notion that traditional farming techniques should be maintained a concept that allowed ...
53. ### history

please check in Charles Lindbergh and other heroes, Americans recognized a. a hunger for fame b. the virtues of the good old days c. a willingness to compromise d. the wildness of the American West B President Reagan's economic program was based on the theory of a. tax and ...
54. ### geometry

Why did you wait until the night before the exam to realize you did not understand the material? At this point, if you are confused on all that material, all I can recommend is get a good night's sleep. okay so my geometry final is TOMORROW! and i honestly have absolutely ...
55. ### History

Which statement about interest groups is true? A:Interest groups are funded by the House of Representatives. B:Interest groups are organized by Congress. C:Interest groups provide a representation of the majority D:Interest groups provide public awareness about an issue.*** ...

Well, my final question before the big test, but this is messing me up in various assignment questions (rrrr). How do you find the magnitude of an object when friction is negligible? What is the actual definition of magnitude? I didn't take Physics 11, and this isn't in my ...
57. ### Physics

I'm having trouble setting up/solving this physics problem? Can someone please help me? Thank you. A 4700 kg lunar lander is in orbit 45 km above the surface of the moon. It needs to move out to a 340-km-high orbit in order to link up with the mother ship that will take the ...
58. ### Physics

Physics teacher has this question for hw. 38. An electric powered model car starts from rest and moves in a straight-line for 4.0 s. The relationship between time and position is x^2+ 2 t^2 = 32, t in seconds and x in cm. Find the velocity at t= 1 s & t = 3 s. he gave us the ...
59. ### ENGLISH

I NEED HELP PARAPHRASING "THE BOGLAND" "ANAHORISH" ABD "THE TOLLUND MAN" BUT I HAVE NO IDEA HOW TO DO IT Paraphrase: http://www.answers.com/paraphrase One of the best ways to accomplish this that I've heard about is to read over a passage (about a paragraph or so in length), ...
60. ### Photography club

I was thinking about how clubs get started in college in the first place. For example there is a club for different ethinicities. How do these become "clubs"? I would think someone would have to take an interest in specific things first of all. But is this enough for a club to...
61. ### Physics

In our physics class we launched a rocket up into the air. We measured the time it took to go up to the point it reached the ground once again. How do I find the maximum height the rocket reached?
62. ### physics

In physics what are the dependent variables between 0 and 2 on a line graph? I must use the rounded number to mark off intervals along the axis. The intervals must be the same amount each time (count up by the same number).
63. ### Physics

Assume a quantity in physics was defined as (x2a3/v2) (acceleration cubed times distance squared divided by velocity squared). What would be the units of such a quantity? a) m3/s4 b) m2/s2 c) s4/m d) m/s4 e) None of these.
64. ### Physics...Equilibrium (physics of a clothesline)

A clothesline is attached to two fixed ends which are 10.0m apart. A pulley of mass 40.0kg hangs freely in the middle of the line. The sag at the centre is 0.20m. Find the tension in each half of the clothesline.
65. ### Physics

what is the physics theories behind putting 500 rubber bands on a watermelon until it explodes? I know there would be at least 2. The compression of rubber bands and Water not being able to compress. I need help with more explanation. what are the name of the law's behind this...
66. ### physics

hey i have a some questions i am trying to solve for practice, because i have a test coming up. can you guys help me with them? i will post them Yes. Please show your work, however. Physics is best learned through practice, not by watching others solve problems.
67. ### Physics

This question makes no sense to me. . . A 100-watt lamp glows brighter than a 25-watt lamp. What do you know about the resistances of these two lamps? ???? That they have different watts...thats all I can think of. Physics is not my strong subject.
68. ### Physics

Physics 20 acceleration due to gravity questions An object is thrown downwards, hitting the ground with a velocity of 10m/s . it fell for 0.880seconds. At what velocity was the object released.
69. ### Physics

When pressure sores develop from sustained positions, the damage occurs at two locations simultaneously â€“ the superficial layers of skin next to the table, and the deep tissue next to the bony structure (e.g. lateral aspect of the femur) that the patient is lying on. ...
70. ### statistics

Identify the conditions of the independent variable , the dependent variable , their scales of measurement , which measure of central tendency and variability to compute and which scores you would use in the computation . We test whether participants laugh longer ( in seconds...
71. ### Science

Since no one answered, and I really need help: So I am doing this science experiment about light. I chose to do one where you put a pencil in a glass of water and the light makes it look like it's bending. There is a chart of measurements that you need to fill out and I have ...

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 ...
73. ### Science

Since no one answered, and I really need help: So I am doing this science experiment about light. I chose to do one where you put a pencil in a glass of water and the light makes it look like it's bending. There is a chart of measurements that you need to fill out and I have ...
74. ### History (this is my daughters)

Will you please check this, my daughter didn't bring home her history book and I have know idea about this. Thank you in advance. In 1846, ELIAS HOWE patented a sewing machine. In 1847, CYRUS McCORMICK opened a factory in chicago that made mechanical reapers. In 1845, JOHN ...
75. ### Us history

I have a few questions that i have no idea... What were some of the factors that helped John F.Kennedy win the presidency? What were the results of the bay of pigs invasion? How was the berlin crisis resolved? thanks again i just have no idea wat they are Check this site. http...
76. ### Inferential Statictics

Welsh, Davis, Burke, and Williams (2002) conducted a study to evaluate the effectiveness of a carbohydrate-electrolyte drink on sports performance and endurance. Experienced athletes were given either a carbohydrate-electrolyte drink or a placebo while they were tested on a ...
77. ### college physics

eng physics a rock is dropped at sea cliff at the sound of it striking the ocean if head 3.4 seconds later. If the speed of sound is 340m/s how high is the cliff?
78. ### physics

A physics student throws a softball straight up into the air. The ball was in the air for a total of 6.16 s before it was caught at its original position. (a) What was the initial velocity of the ball? (b) How high did it rise?
79. ### physics

A physics student throws a softball straight up into the air. The ball was in the air for a total of 6.16 s before it was caught at its original position. (a) What was the initial velocity of the ball? (b) How high did it rise?
80. ### 11th grade CHEMISTRY TITRATION LAB!

i have a tritation lab due tomorrow and i am stumped on a couple things. its a titration lab using sodium hydroxide (NaOH)- 250 mL 0.300 M concentration, 10 mL of an unknown substance of vinegar, the avg. of titrated NaOH in the flask with vinegar is 27.7 mL firstly its a ...
81. ### Physics

1) Determine the force of gravitational attraction between the earth(m=5.98*10^24kg) and a 70-kg physics student if the student is in an airplane at 4.950 meters above the earth's surface.
82. ### physics

A 90-kilogram physics student would weigh 2970 Newtons on the surface of planet X. What is the magnitude of the acceleration due to gravity on the surface of planet X?
83. ### As physics

(As physics working out please) (SI UNITS) Which physical quantity has the same base units as energy? SHOW ALL WORKING OUT! A:Moment B:Momentum C:force D:pressure
84. ### Typos, math, physics

Would everyone who posted math and physics problems this morning please go back and check for typos? It is difficult to guess what you mean and we do not have your text book.
85. ### World History

Which theological teaching stated that the church and the state are two separate spheres of influence that can advise one another, but each is its own distinct area? containment policy two kingdoms doctrine dominion theology interdependency theory Google says 'The two kingdoms...
86. ### Art

I need a creative idea for a gift. My mom's birthday is coming up and she loves the beach, so I want to do something with sand so she can enjoy it wherever we are. I have the sand, but I need help fast because this craft has to be finished by Thursday!! Please help somebody!! ...
87. ### LA 3 questions plz help me asap

1) what does the present perfect tense show? A. Action that begin in the past and continues in the present B. Action that begins and ends in the present C. Action that begins in the present and continues in the future D. future action that begins in the past, extends to the ...
88. ### Chemistry

How would you write these chemical reactions?Can someone do one or two reactions for each problem, so I could get an idea of to them? ..I'm nit sure how most of the oeoducts wouls turn out..especially if it is a precipitate. 5. When Mn^2+ ions are separated from the mixture, ...
89. ### research writing as a process

6.What's the next step to choosing a topic once you've identified a general subject? narrowing the topic formulating a thesis thinking about the nature of writing finding a general topic Question 7 What question should you consider when narrowing the topic? Where is my ...
90. ### language arts

2. Read the following paragraph "That thrilled me, and scared me. The great world seemed to swing wide like the gates of the Fair, and I didn’t even have a plan. I hadn’t even put up my hair yet. It seemed to me it was time for that, time to jerk that big bow off the braid...
91. ### Science

So I am doing this science experiment about light. I chose to do one where you put a pencil in a glass of water and the light makes it look like it's bending. There is a chart of measurements that you need to fill out and I have no idea how to get them. I know you are gonna ...
92. ### Math

1a) Prove that there exist irrational numbers a and b so that a^b is rational. look at the numbers √2^√2 and (√2^√2)^√2 1b) use similar idea to prove that there exists a rational number a and an irrational number b so that a^b is irrational 1c) ...
93. ### Probability

Reformatted so that it's easier to read. I have a Statistics project due tomorrow on Combinatorics. Admittedly, while my math skills aren't too bad (I get 99th percentile on standardized tests and such), it has been a while since I last took a math class after a 2-year lapse ...
94. ### physics

what is is called (both terms) when somthing makes a sound but no one is aroun to here it? Plz this is 4 my h work It could be many terms. Unobserved Source comes to mind. Surely you are not wasting much class time in physics class on this.
95. ### physics

A 600-pound boat sits on a ramp inclined at 30 degrees as shown in the attached image. What force is required to keep the boat from rolling down the ramp? Completely lost, never done physics before....
96. ### Physics

Kenny Klutz drops his physics book off his aunt's high rise balcony. It hits the ground below 1.5s later. a. With what speed does it hit? b. How high is the balcony? (Ignore the air drag)
97. ### Physics

In a physics experiment with an inclined air track, what do you predict about the following: a) Position graph b) Velocity c) Acceleration My ans: For a i predicted there would be a curve and i didn't know why b) velocity will decrease with time but why? c) acceleration is 0 m...