Sunday

December 21, 2014

December 21, 2014

Post a New Question | Current Questions

**Chemistry**

I missed a few days of school due to a sick child. I'm reviewing for an exam and the following questions are giving me trouble as I wasn't there when they were reviewed in class. If possible, I need the step-by-step process. Thanks. 1.) If you put hydrogen peroxide on ...
*Thursday, November 13, 2014 at 7:25pm*

**Math**

16 students do not prefer school uniform. 4 students prefer school uniform. What percent prefer uniforms and what percent do not. What is the relationship between these two percents?
*Thursday, November 13, 2014 at 5:33pm*

**English...PLEASE CHECK THIS**

Here is the second bit of my description of a school dining hall. Can you please check it and suggest any improvements with my vocabulary and my attention to detail. If possible can you help me to include metaphors and personification, where possible....Thank you Back at the ...
*Thursday, November 13, 2014 at 2:36pm*

**physics**

A 3 point jump shot is released 2.2 m above the ground, 6.14 m from the basket, which is 3.06 m high. For launch angles of 30° and 60°, find the speed needed to make the basket.
*Thursday, November 13, 2014 at 2:28pm*

**English**

Im writing a description of a busy school dining hall. One of my paragraphs is as follows : In the snake like queue one of the boys, who had pushed in stood with pride and joy. But not for long. 'You, yes you. Get to the back NOW!' The principle demanded with absolute ...
*Thursday, November 13, 2014 at 12:51pm*

**kamal model school**

what is increase in entropy when 11.2 l o2 mixed 11.2 l h2 at stp
*Thursday, November 13, 2014 at 9:37am*

**Biochem**

Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th Grade 7th Grade 8th Grade High School 9th Grade 10th ...
*Thursday, November 13, 2014 at 8:07am*

**Chemistry (Equilibrium)**

At high temperature, 0.500 mol of HBR was placed in a 1.00L container where it decomposed to give the equilibrium: 2HBr <==> H2 + Br2 At equilibrium, the [Br2] is 0.0855 mol/L. What is the value of the equilibrium constant? My work: ..2HBr <==> H2 + Br2 I 0.500M...
*Thursday, November 13, 2014 at 5:51am*

**math**

We did not find results for: a conical tank with its vertex down is 12 feet high and 12 feet in diameter at the top. water is being pumped in at the rate of 8 feet cubed per minute. find the rate at which the water level is rising when the water is 4 feet deep.
*Wednesday, November 12, 2014 at 11:31pm*

**Can some one check my finance answers please**

Which of the following best states the difference between seed capital and startup capital? Seed capital is for research and planning while startup capital is for operating expenses. Seed capital is provided by venture capitalists while startup capital is provided by banks. ...
*Wednesday, November 12, 2014 at 8:36pm*

**physics- energy and work**

A 47.6-kg diver steps off a 10.82 m high diving board and drops straight down into the water. If the diver comes to rest 5.3 m below the surface of the water, determine the average resistance force exerted on the diver by the water. What is the total displacement of the diver?...
*Wednesday, November 12, 2014 at 6:20pm*

**Finance **

Which of the following best states the difference between seed capital and startup capital? Seed capital is for research and planning while startup capital is for operating expenses. Seed capital is provided by venture capitalists while startup capital is provided by banks. ...
*Wednesday, November 12, 2014 at 6:14pm*

**Algebra 2 HELP plz**

An object is launched upward with an initial velocity of 64 feet per second from a platform 80 feet high. 1.) Write a height model for the object. I wrote my model as .... h=-16t^2 +64t +80 2.) How many seconds until the maximum height is reached? I had 2 seconds as my answer ...
*Wednesday, November 12, 2014 at 2:52pm*

**Science**

One of the accessory pigments used in photosynthesis is beta-carotene, a carotenoid found in high concentration in carrots. When one molecule of beta-carotene is split by an enzyme, two molecules of vitamin A are produced. Removal of a hydrogen atom from vitamin A produces ...
*Wednesday, November 12, 2014 at 2:17pm*

**St Ans School**

A number is as much less than 75 as it is greater than 45. Find the number?
*Wednesday, November 12, 2014 at 9:40am*

**Physics**

an object of mass 5 kg has initial speed of 8 m/s it is sliding across an 8 m long table and has a coefficient of friction of .204 with the table sitting at the edge of the table is a 3 kg object at rest the 5 kg object collides and sticks to the 3 kg object if table is 1.2 m ...
*Wednesday, November 12, 2014 at 8:18am*

**UNION UNIVERSITY**

Find the Z score for the weights of Middle school boys which are approximately Normal, mean = 130 lbs, Standard Deviation = 7, if Johnny weighs 148 lbs, What's his Z score?
*Wednesday, November 12, 2014 at 1:00am*

**English**

She didn't give up and went to see a famous Chinese general, the head of another flight school. -------------------------- Instead of 'head,' can we use 'principal'? Or can we use some other similar expressions?
*Wednesday, November 12, 2014 at 12:40am*

**English**

1. In 1924, she finally entered flight school. 2. In 1924, she finally entered the flight school. 3. In 1924, she finally entered a flight school. ----------- Which one is grammatical or commonly used?
*Tuesday, November 11, 2014 at 7:01pm*

**English**

How can you describe a school dinner hall? I want to include senses, metaphors and personification. Any help will be very much appreciated Thank you
*Tuesday, November 11, 2014 at 2:42pm*

**World History Answer Check (Ms. Sue) **

1. How did the Schlieffen Plan contribute to he outbreak of World War I? A: The Schlieffen Plan contributed to the outbreak of World War I as it called for a two-front war with France as Russia. According to this plan, Germanh would conduct a small holding against Russia while...
*Tuesday, November 11, 2014 at 1:59pm*

**physics**

A gas molecule at the surface of the earth happens to have the root mean square speed (rms)for that gas at 0°C.lf it were to go straight up without colliding with other molecules.How high would it rise and what would happen to the maximum height reached if a gas with ...
*Tuesday, November 11, 2014 at 5:59am*

**Math help please!!!!!**

The ladders shown below are standing against a wall at the same angle.How high up the wall does the longer ladder go?(All meausurements are in feet.) The long side of the big ladder ie 30 and the other side is X. Smaller ladder is 24 and 10. A.11.25ft B.12.5ft C.14 ft D.14ft ...
*Monday, November 10, 2014 at 6:55pm*

**Early Childhood/Homem school and comm.**

Which part of RERUN describes when you try to see both point of view? a. Reflect b. Explain c. Reason d. Understand I chose a
*Monday, November 10, 2014 at 2:46pm*

**Early childhood/home school and community**

Judging a child based on the way the child dresses is an example of: a. racism b. classism c. ageism d. gender bias I thought d
*Monday, November 10, 2014 at 2:43pm*

**statistics**

It is known that 10 % of a school's athlete population uses drugs. The Athletic Director gives a drug test which registers correctly as positive in 82 % of the cases where the drug is present and correctly as negative in 96 % of the cases where the drug is absent. One ...
*Monday, November 10, 2014 at 5:40am*

**physics**

During a baseball game, a batter hits a pop-up to a fielder 92m away. The acceleration is 9.8 m/s^2. If the ball remains in the air for 5.8 seconds, how high does it rise?
*Sunday, November 9, 2014 at 10:39pm*

**physics**

A cricket pitch roller of diameter 1.5 m has a mass of 450 kg; it is pulled by a handle attached to its centre. Find the minimum force to pull up a step which is 250 mm high if the roller handle makes an angle of 30o with the horizontal.
*Sunday, November 9, 2014 at 8:09pm*

**physics**

A 7.75 kg(75.95 N)box is placed on a 29.7° incline on top of a lab table. The ramp is 3.11 m long, at the bottom of the incline the box slides horizontally for a short distance before rolling off the lab table. If the table is 0.84 m high, find how far from the table the ...
*Sunday, November 9, 2014 at 8:05pm*

**Math - Word problem**

I posted this earlier and received a reply - but the reply doesn't make sense. I drew up a picture of what was posted, but the figure comes out to finding the hypotenuse of a triangle that is 16x14 - not 16x10. What am I not seeing? Original problem: There is a room 10 ...
*Sunday, November 9, 2014 at 6:27pm*

**Engineering science**

a roller of diameter 1.5 m has a mass of 450 kg; it is pulled by a handle attached to its centre. Find the minimum force to pull up a step which is 250 mm high if the roller handle makes an angle of 30o with the horizontal
*Sunday, November 9, 2014 at 2:22pm*

**Math -word problem**

There is a room 10 feet high by 10 feet wide by 10 feet in length. On one wall, there is an electrical outlet 1 foot from the floor and centered five feet from each side of the wall. On the opposite wall, one foot from the ceiling and centered five feet from each side of the ...
*Sunday, November 9, 2014 at 12:33pm*

**Physics test review**

A ball is thrown horizontally from the top of a building 30.1 m high. The ball strikes the ground at a point 66.8 m from the base of the building. The acceleration of gravity is 9.8 m/s2 . Find the time the ball is in motion. Answer in units of s Find the initial velocity of ...
*Saturday, November 8, 2014 at 9:37pm*

**Physics**

A ball is thrown horizontally from the top of a building 30.1 m high. The ball strikes the ground at a point 66.8 m from the base of the building. The acceleration of gravity is 9.8 m/s2 . Find the time the ball is in motion. Answer in units of s
*Saturday, November 8, 2014 at 9:32pm*

**Physics**

A 4.80kg cat leaps from the floor to the top of a 94.0-cm-high table. If the cat pushes against the floor for 0.230s to accomplish this feat, what was her average power output in hp during the pushoff period?
*Saturday, November 8, 2014 at 8:53pm*

**Trigonometry**

An airplane approaches an airport. At a certain time, it is 939 m high. Its angle of elevation measured from the airport is 19.5◦. To the nearest metre, how far is the plane from the airport?
*Saturday, November 8, 2014 at 7:47pm*

**Physics**

The spring shown in the figure is compressed 59cm and used to launch a 100 kg physics student. The track is frictionless until it starts up the incline. The student's coefficient of kinetic friction on the 30∘ incline is 0.14 . k= 80,000 N/m m=100 kg uk= .14 DeltaX= ...
*Saturday, November 8, 2014 at 7:40pm*

**Spanish Help? Please.**

Explain how an interlocking schedule at a Puerto Rican school works. Why are interlocking schedules used? Why is it not always necessary to include a subject pronoun before the verb in Spanish? What is the heritage of many of the students at Miami High School? Explain why so ...
*Saturday, November 8, 2014 at 4:22pm*

**Trigonometry**

Round answer to two significant digits A telephone pole 40 feet high is situated on an 13° (H) slope from the horizontal. The measure of angle CAB is 21°. Find the length of the guy wire AC.
*Saturday, November 8, 2014 at 8:10am*

**Trigonometry**

A telephone pole 40 feet high is situated on an 13° (H) slope from the horizontal. The measure of angle CAB is 21°. Find the length of the guy wire AC.
*Saturday, November 8, 2014 at 8:09am*

**AP CALC. AB**

Please help me with this problem and please walk me through each step i am really confused. Sand is falling from a rectangular box container whose base measures 40 inches by 20 inches at a constant rate of 300 cubic inches per minute. a) how is the depth of the sand in the box...
*Friday, November 7, 2014 at 8:59pm*

**physics**

a school bus traveling along a straight road from school was found to be 2.0km North of the school 4minutes later. In another 4minutes it was 4km West of the school. Draw the position of the bus from school.
*Friday, November 7, 2014 at 8:53pm*

**reading **

1.I usually don’t like to admit this, but at one time I disliked history. My teacher, Mr. Wittmeyer, was wonderful, and the material seemed interesting. When I listened to his lectures, however, I inevitably drifted off, got called on to answer, and had absolutely no clue...
*Friday, November 7, 2014 at 8:30pm*

**Physics **

block slides across table with initial speed of 8 m/s coefficient of friction between block and table is .5 and table is 4 m long and 1.2 m high determine how far the block lands from the base of the table
*Friday, November 7, 2014 at 9:09am*

**ALakh narayan sing high school Ekma saran**

Solve the Mathod of substitution 1/6(2x+3y)+x/3=8,1/2(7y-3x)-y=11
*Friday, November 7, 2014 at 12:22am*

**physics**

How high must your roof be to fire 1.2km if it fires at 450 m/s muzzle velocity?
*Thursday, November 6, 2014 at 11:29pm*

**physics**

A cannon rests on the ground at 40 degree angle it fires a ball at 200 m/s how high is the top of trajectory? At what impact speed does it rest? How far away does it land?
*Thursday, November 6, 2014 at 11:16pm*

**Language arts Help**

When MacNeil says that much of television news is "machine gunning with scraps," he means that A. Television news covers too much violent crime. B. Television news stories are too short and fast. C. Television news covers war too much. D. Television news lacks high-...
*Thursday, November 6, 2014 at 11:09pm*

**Intermediate Algebra **

Atmospheric carbon dioxide levels continue to increase and are suspected to contribute to global warming. The solution to the polynomial equation x3 – 380x2 + 2x – 760 = 0 gives the record high amount of carbon dioxide in parts per million (ppm) in 2005, as measured ...
*Thursday, November 6, 2014 at 9:54pm*

**Science**

Water is pumped from a stone basin up through a pipe 1 meter high. At that height, the water flows out through a tap and falls down through the air to the basin below, where the cycle begins again. What is the gravitational potential energy of 2.5 kilograms of water at the top...
*Thursday, November 6, 2014 at 9:06pm*

**math**

a boy standing on a vertical cliff 50m high is looking down an angle of depression of 20 degree at a car. how far is the car from the base of the cliff?
*Thursday, November 6, 2014 at 7:34pm*

**college statistics **

the math SAT scores for all students who applied to the school of engineering are normally distributed with M=629 and standard deviation of 60. the school of engineering has decided to accept those students whose scores fall in the top 15%. what is th minimum score an appliant...
*Thursday, November 6, 2014 at 6:34pm*

**math**

a football player attempts a field goal from a distance of 52 yards. The ball reaches a maxium height of 9 yrds and lands 8 yards behind the uprights. If the uprights are 3 yards high. algebraically determine if the field goal was successful
*Thursday, November 6, 2014 at 6:28pm*

**physics**

A 15 kg rock is horizontally from very high cliff at a speed of 65m/s. what is the speed of the rock after it has fallen a vertical distance of 35m?
*Thursday, November 6, 2014 at 6:10pm*

**math**

Kelly has 4 times as many songs on her music player as Lou. Tiffany has 6 times as many songs on her music player as Lou. Altogether, they have 682 songs on their music players. How many songs does Kelly have. Please teach me the steps on how to do it I`m having trouble on ...
*Thursday, November 6, 2014 at 4:36pm*

**Please Check Answers for Health**

Please check my answers because I need to do good at this. 1. When consuming fats the healthiest choice is foods high in? A. saturated fats B. unsaturated fats * C. trans fat D. cholesterol 2. The body's main energy source should come from what essential nutrient? A. ...
*Thursday, November 6, 2014 at 4:35pm*

**Health and Physical Education 8 - It's urgent!**

Please check my answers because I need to do good at this. 1. When consuming fats the healthiest choice is foods high in? A. saturated fats B. unsaturated fats * C. trans fat D. cholesterol 2. The body's main energy source should come from what essential nutrient? A. ...
*Thursday, November 6, 2014 at 3:54pm*

**statistic**

A student must pass through 12 sets of traffic lights on his way to university. Suppose that each of the lights is green 39.5% of the time, yellow 5.9% of the time, and red 54.6% of the time. Suppose also that the traffic lights function independently (b) What is the ...
*Thursday, November 6, 2014 at 3:37pm*

**Science **

A sled is at rest at the top of a 2 m high slope. The sled has a mass of 45 kg. What is the sled's potential energy?
*Thursday, November 6, 2014 at 11:33am*

**College physics**

In this problem you will estimate the heat lost by a typical house, assuming that the temperature inside is T(in) = 20 degrees celcius and the temperature outside is T(out) = 0 degrees celcius. The walls have fiberglass insulation, which dominates the heat conduction ...
*Thursday, November 6, 2014 at 3:40am*

**physics**

A watermelon falls off of a balcony 14 meters high. How fast is it moving immediately before it reaches the ground? a increases with time b is 0 m/s c remains constant d decreases with time
*Wednesday, November 5, 2014 at 11:58pm*

**Maths**

Two poles 13m and 18m high stand upright on a playground if their feet are 12m apart find the distance between their tops
*Wednesday, November 5, 2014 at 11:23pm*

**math**

trina works after school and on weekends. she always works three days each week. this week she worked 2 3/4 hours on monday, 3 3/5 hours on friday and 5 1/2 hours on saturday. next week she plans to work the same number of hours as this week, but will work for the same number ...
*Wednesday, November 5, 2014 at 8:50pm*

**physics**

A man skis down from the top of a hill 1500.0 m high, starting from rest. If he loses 50% of his initial mechanical energy to friction during his descent, what is his speed in m/s at the base of the hill?
*Wednesday, November 5, 2014 at 6:35pm*

**Math**

Carson drives to school the same way each day, and there are two independent traffic lights on his trip to school. He knows that there is a 30% chance that he will have to stop at the first light and an 80% chance that he will have to stop at the second light. What is the ...
*Wednesday, November 5, 2014 at 6:28pm*

**math**

At a school fair, a fifth-grade class sold 25 liters of orange juice. The orange juice was sold in cups containing 200 milliliters and 300 milliliters. An equal number of cups containing 200 milliliters and 300 milliliters were sold. How many cups of orange juice did the class...
*Wednesday, November 5, 2014 at 6:22pm*

**physics **

no idea how to do this problem A kid at the junior high cafeteria wants to propel an empty milk carton along a lunch table by hitting it with a 3.0g spit ball. If he wants the speed of the 40g carton just after the spit ball hits it to be 0.30 m/s, at what speed should his 3.0...
*Wednesday, November 5, 2014 at 5:08pm*

**English**

I know with a dependent clause in front of the sentence, then an independent clause separated by a conjunction I use a comma. If u have two independent clauses with a conjunction do I use a comma. Example The class will take a trip when school is over. It seems the more I ...
*Wednesday, November 5, 2014 at 3:17pm*

**Algebra**

The formula v=8square root of h gives the relationship between velocity, v (in feet per second and height, h (in feet). What is the maximum velocity of a roller coaster that is 203 feet high? Can the question be solved using the equation t^2-2t-11=0?
*Wednesday, November 5, 2014 at 2:29pm*

**English**

1. If it had not been for your call, I would have been late for school. 2. But for/Without your call, I would have been late for school. 3. Had it not been for your call, I would have been late for school. 4. If you had not called me, I would have been late for school...
*Wednesday, November 5, 2014 at 12:59am*

**Technology for Biobased Products**

QA.A bio-PDO production process will also produce microbial biomass. A huge surplus biomass of roughly 10% of the PDO mass should be expected. A good use of this microbial biomass could be food of feed. Which organism properties disqualify their use in food/feed production ...
*Tuesday, November 4, 2014 at 8:21pm*

**English**

Which of the following is the best version of a thesis statement about charter schools? a. A charter school is a tax supported established by a charter between a school board and outside group of teachers or parents. b.A charter school operates without local and state ...
*Tuesday, November 4, 2014 at 8:15pm*

**RIGHT TRIANGLE TRIG **

a kite is being flown 150 yards of string. the kite has an angle of elevation with the ground 65 degrees. how high above the ground is the kite. I DONT KNOW HOW TO SET UP THE PROBLEM
*Tuesday, November 4, 2014 at 4:17pm*

**stats**

A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 460 seconds and a standard deviation of 50 seconds. Between what times ...
*Tuesday, November 4, 2014 at 2:45pm*

**soc120**

Which of the following is a claim that utilitarian might use to argue that prayer should not be allowed in school? (Points : 1)
*Tuesday, November 4, 2014 at 12:41am*

**english**

The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have ...
*Monday, November 3, 2014 at 10:51pm*

**physics**

find the mass of a ball on a roof 30 meters high, if the ball's gravitational energy is 58.8 joules.
*Monday, November 3, 2014 at 9:25pm*

**math**

having an issue with this word problem. Jordan travels 3/4 of a mile longer to school each day than Harrison does. Combined,they travel 5 1/4 miles to school. How far does each travel? Let n stand for the distance jordan travels.
*Monday, November 3, 2014 at 8:29pm*

**physics**

Erica throws a ball out of a window with a horizontal speed of 3.8m/s. If the ball hits the ground 15m away, how high up is the window? My work: X-direction v1x=3.8m/s v2x=3.8m/s a=0m/s2 d=15m y-direction I don't know how to find the initial and final velocity. a=-9.8m/s2 ...
*Monday, November 3, 2014 at 7:43pm*

**science**

Jay is going to school. To reach the school, Jay need to go 3km going north. Then, he will head to the east at a distance 7km, then 3km going south and 2km going east. 1. Find the distance 2. Find the displacement
*Monday, November 3, 2014 at 5:47pm*

**I need help asap**

The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have ...
*Monday, November 3, 2014 at 5:20pm*

**SCIENCE**

4. Convert to centimeters: 6.8 meters A. 6,800 centimeters B. 68 centimeters C. 68,000 centimeters D. 680 centimeters 5. What is the difference between a theory and an opinion? A. A theory is supported by scientific evidence, while an opinion is not. B. An opinion is supported...
*Monday, November 3, 2014 at 1:50pm*

**Language Arts 8A**

Please help me by checking these answers. It would really help me because I need to get my grade up. I star my answers. 1. When MacNeil asks, "When before human history has so much humanity collectivity surrendered so much of its leisure to one toy, one mass diversion?&...
*Monday, November 3, 2014 at 1:35pm*

**physical science check asap **

1. Tommy performed an experiment to test the solubility of sodium chloride in water. After he completed his experiment, he discovered that he had a few unused grams of NaCl leftover in a beaker. What should he do with the excess NaCl? A. Pour the excess back into the original ...
*Monday, November 3, 2014 at 12:20pm*

**physical science**

1. Tommy performed an experiment to test the solubility of sodium chloride in water. After he completed his experiment, he discovered that he had a few unused grams of NaCl leftover in a beaker. What should he do with the excess NaCl? A. Pour the excess back into the original...
*Monday, November 3, 2014 at 11:50am*

**Sampling**

What stratification variable(s) would you use for each of the following situations: a An e-mail survey of students at your university to estimate the total amount of money student spend on textbooks in a term b A sample of high schools in New York City to estimate what ...
*Monday, November 3, 2014 at 11:32am*

**english help repost**

The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have ...
*Monday, November 3, 2014 at 10:43am*

**science**

Jay is going to school. To reach the school, Jay need to go 3km going north. Then, he will head to the east at a distance 7km, then 3km going south and 2km going east. 1. Find the distance 2. Find the displacement
*Monday, November 3, 2014 at 10:21am*

**Trigonometry **

A balloon is flying west of two trigonometry students who are 7 miles apart. The angles of elevation of the two students to the balloon are 15 and 28 degrees. Approximate how high the balloon is flying.
*Monday, November 3, 2014 at 10:08am*

**Language Arts**

The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have ...
*Monday, November 3, 2014 at 7:55am*

**Math**

The pressure, P (in lbs/ft2), in a pipe varies over time. Three times an hour, the pressure oscillates from a low of 88 to a high of 254 and then back to a low of 88. The pressure at t=0 is 88. Find a possible cosine formula for P=f(t), where t is time in minutes.
*Sunday, November 2, 2014 at 9:37pm*

**physics**

A marble rolls off the edge of a table that is 0.82 m high. The marble is moving at a speed of 0.11 m/s at the moment that it leaves the edge of the table. How far from the table does the marble land?
*Sunday, November 2, 2014 at 8:54pm*

**physics**

find the mass of a ball on a roof 30 meters high, if the ball's gravitational energy is 58.8 joules.
*Sunday, November 2, 2014 at 6:27pm*

**Physics**

a place kicker must kick a football from a Lint 36 meters from the goal. As a result of the kick, the ball must clear the crossbar, which is 3.04 meters high. When kicked, the ball leaves the ground with a speed of 20 meters per second at an angle of 50 degrees to the ...
*Sunday, November 2, 2014 at 4:15pm*

**physics**

a projectile is fired at 50 meters per second at an angle of 30 degrees below the horizontal off a cliff that is 50 meters high. How far away and at what speed and angle will this projectile land?
*Sunday, November 2, 2014 at 4:10pm*

**Algebra 2**

A player throws a ball up and toward a wall that is 17 feet high. The height h in feet of the ball after t seconds after it leaves the player's hand is modeled by h=-16t^2+25t+6. If the ball makes it to where the wall is, will it go over the wall or hit the wall?
*Sunday, November 2, 2014 at 11:27am*

**8th grade language arts**

The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have ...
*Sunday, November 2, 2014 at 9:33am*

**WORLD HISOTRY**

WAHT IS THE BEST SOURCE FOR ANCIENT CHINA HISTORY FOR HIGH SCHOOL STUDENT?WEBSITE, TEXT BOOKS
*Sunday, November 2, 2014 at 4:18am*

**Calculus**

A rocket is fired vertically into the air at the rate of 6 miles/min. An observer on the ground is located 4 miles from the launching pad. When the rocket is 3 miles high, how fast is the angle of elevation between the rocket and the observer changing? Specify units.
*Sunday, November 2, 2014 at 12:44am*

**Calculus**

Wheat is poured through a chute at the rate of 10 ft^3/min and falls in a cone-shaped pile whose bottom radius is always half its height. How fast is the height of the cone increasing when the pile is 8 feet high? Volume of a cone=1/3(pi)r^2h
*Sunday, November 2, 2014 at 12:42am*

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