# Homework Help: Science: Outer Space

## Recent Homework Questions About Outer Space

**Physics**

If there was a way to accelerate a spaceship close to the speed of light to go visit some neighboring star system, one would still face the problem that every particle the spaceship finds on its way will be a projectile hitting it with almost the speed of light, causing ...

*Wednesday, October 14, 2015 by Ryan*

**Chemistry**

The single proton that forms the nucleus of the hydrogen atom has a radius of approximately 1.0 x 10^-13 cm. The hydrogen atom itself has a radius of approximately 52.9 pm. What fraction of the space within the atom is occupied by the nucleus.

*Saturday, October 10, 2015 by Anonymous*

**astronomy**

Which of the following two telescopes has a better angular resolution? 1) the Hubble Space Telescope (2.4 meter aperture) at optical wavelengths and 2) the Very Long Baseline Array (VLBA), a radio interferometer with a maximum baseline of 8600 km observing at 1 mm wavelengths...

*Tuesday, October 6, 2015 by Tsambikos*

**CHECK ANSWERS for geometry**

1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point exists in zero dimensions...

*Tuesday, October 6, 2015 by Sue*

**Geometry**

1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point exists in zero dimensions...

*Tuesday, October 6, 2015 by Sue*

**Geometry**

1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point exists in zero dimensions...

*Tuesday, October 6, 2015 by Sue*

**algebra**

I don't quiet know where to start can anyone help guide me? Bonnie has a container in the shape of rectangular pyramid. The formula for the surface area of the enclosed space is S=lw+0.5Ph. Solve for P? P= S - lw- 0.5h P= S + lw + 0.5h P= S-lw/ 0.5h P= S/lw + 0.5h

*Monday, October 5, 2015 by kat*

**PHYSICS**

The space probe Deep Space 1 was launched on October 24, 1998. Its mass was 474 kg. The goal of the mission was to test a new kind of engine called an ion propulsion drive. This engine generated only a weak thrust, but it could do so over long periods of time with the ...

*Sunday, October 4, 2015 by Anonymous*

**physical science**

Approximately how long would it take a radio signal to reach the International Space Station (ISS) at an orbital altitude of 350km?

*Friday, October 2, 2015 by zina*

**science**

a satellite in force free space sweeps stationary interplanetary dust at a rate of dM/dt=alpha v, where M is mass and v is speed of satellite and alpha is a constant. the tangential acceleration of satellite

*Tuesday, September 29, 2015 by 119*

**Topic sentence and supporting details**

Hilda take an enormous amount of space

*Saturday, September 26, 2015 by Jennifer*

**Physics**

Suppose a rocket ship in deep space moves with constant acceleration equal to 9.80 m/s2, which gives the illusion of normal gravity during the flight. (a) If it starts from rest, how long will it take to acquire a speed 12% that of light, which travels at 3.0 × 108 m/s? (b) ...

*Tuesday, September 22, 2015 by Jessica*

**stats**

A box contains 16 white and 16 black marbles. Construct a sample space for the experiment of randomly drawing out, with replacement, three marbles in succession and noting the color each time. (To draw “with replacement” means that each marble is put back before the next ...

*Tuesday, September 22, 2015 by Hailey*

**Science**

In the space below, write a paragraph describing the work of a chemical engineer. Include a description of the different industries that they work in and the skills they need to be successful Need Help!!!!

*Tuesday, September 22, 2015 by Anonymous*

**Knox fields.**

A garden in form of a square is surrounded by a path which is 1m wide on two opposite sides and 1^2m wide on the other two opposite sides.if the area of the path is 17m^2.Calculate the perimeter of the garden and the area of the space covered by the garden and the paths

*Tuesday, September 15, 2015 by Opeyemi*

**Physics**

The Space Shuttle travels at a speed of about 5.05 x 103 m/s. The blink of an astronaut's eye lasts about 93.5 ms. How many football fields (length = 91.4 m) does the Space Shuttle cover in the blink of an eye?

*Thursday, September 10, 2015 by Garren*

**Integrated math 1**

Consider the sample space S = {1, 2, 3, . . ., 10}. Let A = all odd numbers in S. Let B = all multiples of 3 in S. Compute P(B | A). Enter your answer as a fraction using the "/" and do not include spaces in your answer.

*Tuesday, September 8, 2015 by Dee*

**History**

Reference Maps and Thematic Maps vary across the globe. Which of the following is the correct answer? A. Mental Maps are only found using GPS B.Mental Maps are only useful by Geocachers who use GPS to post clues worldwide C.Mental Maps are used for remote sensing and GIS D....

*Monday, September 7, 2015 by Anonymous*

**Science**

How does the cisternal space divide the cell?

*Monday, September 7, 2015 by Bri*

**math**

You are installing a new pre-constructed fence. Each fence section measures 4 1/2 feet wide and each end will also have a decorative piece that measures 1 3/4 feet wide. The space for the fence is 30 feet wide. What is the most number of 4 1/2 foot fence can be installed? My ...

*Friday, September 4, 2015 by Norla*

**History**

what was the importance of additional land acquired through westward expansion? It Provided protection from war. It provided more land for Native Americans. It provided space for the growing number of immigrants. It did not provide anything of importance

*Friday, September 4, 2015 by Anonymoose*

**math**

2. You are installing a new pre-constructed fence in front of your house. Each fence section measures 4 1/2 feet wide, and each end will also have a decorative piece that measures 1 3/4 feet wide. If the space for the fence is 30 feet wide, what is the most number of 4 1/2 ...

*Thursday, September 3, 2015 by celine*

**Physics Lorentz contraction**

This seems like a pretty straightforward question but it's just not making sense at the moment. A meter stick is projected into space at so great a speed that its length appears to have contracted only 50 cm. How fast is it going? So you want the velocity, v. (in terms of c). ...

*Wednesday, September 2, 2015 by paul*

**Physics**

The weight of an astronaut plus his space suit on the Moon is only 270 N. A. How much do they weigh on Earth, in Newtons, assuming the acceleration due to gravity on the moon is 1.67m/s^2= 1584is this right? B. What is the mass of the astronaut and his space suit on the moon ...

*Wednesday, September 2, 2015 by Flo*

**science**

A boy runs a 100meter distance race in 20seconds as measured by an observer on earth.how long does it take according to an observer in space ship moving with speed of 0.98c for the boy to complete the run? What is the length of the track according to the moving observer?

*Wednesday, September 2, 2015 by euro*

**physics(relativity)**

A boy runs a 100m distance in 20s as measured by an observer on earth.how long does it take according to an observer in space ship moving with speed of 0.98c for the boy to complete the run? What is the length of the track according to the moving observer

*Wednesday, September 2, 2015 by ebraheem*

**English Language & Composition**

Can someone help me edit & revise this ex. paragraph. The directions were to revise & edit & identify strengths & weaknesses about this person and what this person included in their body paragraph. I could find very few mistakes but the major is including 3 QUOTES in 1 BODY ...

*Tuesday, September 1, 2015 by Jake*

**Math (Pre-calculus)**

An artist is creating a mosaic that cannot be larger than the space allotted which is 4 feet tall and 6 feet wide. The mosaic must be at least 3 feet tall and 5 feet wide. The tiles in the mosaic have words written on them and the artist ants the words to all be horizontal in ...

*Saturday, August 29, 2015 by ELVIA*

**Calc**

Describe the given set with a single equation or with a pair of equations. The set of points in space that lie 2 units from the point (0,0,1) and, at the same time, 2 units from the point (0,0,-1). I wrote distance equations for both set them equal to each other and got z=0. ...

*Tuesday, August 25, 2015 by Anon*

**science`**

When doing an experiment, it is important to follow all of the procedures EXCEPT ______________. Question 1 options: wearing protective goggles arranging and organizing the work space neatly understanding the meaning of the safety precautions using smaller beakers before using...

*Friday, August 21, 2015 by sciene lab safety*

**llinear programming**

Mountain Laurel Vineyards produces three kinds of wineMountain Blanc, Mountain Red, and Mountain Blush. The company has 17 tons of grapes available to produce wine this season. Acask of Blanc requires 0.21 tons of grapes, a cask of Red requires 0.24 tons, and a cask of Blush ...

*Friday, August 21, 2015 by Anonymous*

**Art**

1. In the image, Green Wheat Fields, Auvers by Vincent van Gogh, which of the following elements was not used to create the principle of harmony? A. Colors B. Form C. Line D. Texture 3. In the image, The Annunciation, by Jan van Eyck, which element in this image creates ...

*Thursday, August 20, 2015 by Alex*

**Physics**

Part one was answered, thank you. This was Part one:A runner is jogging at a steady 6.2 km/hr. When the runner is 4.9 km from the ﬁnish line, a bird begins ﬂying from the runner to the ﬁnish line at 24.8 km/hr (4 times as fast as the runner). When the bird...

*Thursday, August 20, 2015 by Joseph*

**math**

Jo Lee wants to hang three 3-inch by 5-inch prints on her wall. She wants to line them up vertically with an inch between each print. What is the minimum wall space that Jo Lee must have? Please explain!!!!

*Thursday, August 20, 2015 by Christy*

**Physics**

A runner is jogging at a steady 6.2 km/hr. When the runner is 4.9 km from the finish line, a bird begins flying from the runner to the finish line at 24.8 km/hr (4 times as fast as the runner). When the bird reaches the finish line, it turns around and flies back to the ...

*Thursday, August 20, 2015 by Joseph*

**physics**

A runner is jogging at a steady 4.8 km/hr. When the runner is 6.3 km from the finish line, a bird begins flying from the runner to the finish line at 14.4 km/hr (3 times as fast as the runner). When the bird reaches the finish line, it turns around and flies back to the runner...

*Monday, August 17, 2015 by I dont like physics*

**English**

Purchasing a Snow Blower (title) Snow blowers (also called snow throwers) can make the sometimes difficult, often-unpleasant task of clearing snow from sidewalks and driveways much easier. Before making a purchase, however, it’s best to learn a few snow blower basics. Most ...

*Sunday, August 16, 2015 by BARNETTA*

**English**

PLEASE HELP!! I NEED TO TURN IT IN AS SOON AS POSSIBLE!! THANK YOU!! Question 1: Day: Monday To: Nominees From: Your Principal Concerning: Rules of Election 1. Everyone running for office must prepare a 3-minute speech that will be recorded for presentation to the entire ...

*Sunday, August 16, 2015 by Lauren*

**computer**

1. Default tab stops are set in Word every _______ inch. A. 1 B. 1/2 C. 1/4 D. 3/4 2. Once you've saved a block of text or graphics for easy insertion in other documents, you'll see it in the _______ gallery. A. Photo Space B. ClipArt C. Multimedia Online D. Quick Parts 3. To ...

*Monday, August 10, 2015 by Annie*

**Topology**

Let (X,d) be the discrete metric space and let S be a infinite subset of X. Create a proof that S is non-compact in X. Thanks.

*Saturday, August 8, 2015 by Anonymous*

**Physics**

Just reposting. A cricket ball rotates at 1800 rev/min as it travels through the space in a straight line at 160 km/hr. How many times does it revolve after traveling 20m? Can someone confirm with me if 13.5 revolutions in 20m is right. That's the answer i got to. If it's ...

*Saturday, August 8, 2015 by Yoyo*

**Area**

How many flowers can you plant in an area 19 square metres if each flower needs 0.04 square metres of space

*Friday, August 7, 2015 by Phil*

**Physics**

A cricket ball rotates at 1800 rev/min as it travels through the space in a straight line at 160 km/hr. How many times does it revolve after traveling 20m? Can someone confirm with me if 13.5 revolutions in 20m is right. That's the answer i got too. If it's wrong can someone ...

*Friday, August 7, 2015 by Yoyo*

**college chemistry**

The air in a typical La Crosse basement contains 53 atoms of 222Rn per liter. A. If the basement has 950 ft^2 of floor space and is 8.0 feet tall, how many 222Rn atoms are there in the whole basement? B. Assuming a total pressure of 1.00 atm, what is the partial pressure of ...

*Tuesday, August 4, 2015 by Sara*

**Regent University**

A point charge of 0.5 is brought to a point a in free space. How much work is required to do this?

*Sunday, August 2, 2015 by Joseph*

**science**

How are moon observations from space different from moon observations made on Earth? I think there is no deifference.

*Wednesday, July 29, 2015 by Nour*

**From theory and practice**

The major emphasis of movement programs for young children is the development of concepts. Which of the following three major categories are they broken into? A. What, who, and where B. Movement, skill, and fitness C. Awareness, knowledge, and understanding D. Body, space, and...

*Thursday, July 16, 2015 by Amanda*

**From theory and practice**

Which of the following is best suited to a formative assessment of progress? A. Muscular strength and endurance B. Awareness of self and space C. Body fat analysis D. Flexibility My answer is B

*Thursday, July 16, 2015 by Amanda*

**math**

Ahmad is choosing a password to access his teacher’s web page. He must choose a capital letter and three nonrepeating digits from 0 through 9. The letter can be in any position in the password. Which shows part of the sample space for Ahmad’s password?

*Wednesday, July 15, 2015 by bla*

**Physics, Eectric flux**

A cubical Gaussian surface surrounds three positive charges, each has a charge q1 = +4.00 × 10-12 C, and two negative charges, each has a charge q2 = −2.30 × 10-12 C as the drawing shows. What is the electric flux passing through the surface?(The permittivity of free ...

*Monday, July 13, 2015 by Dave*

**Algebra/Pre Calc**

A parking lot charges $3 to park a car for the first hour and $2 per hour after that. If you use more than one parking space, the second and each subsequent car will be charged 75% of what you pay to park just one car. If you park 3 cars for t hours, which function gives the ...

*Tuesday, July 7, 2015 by Amy*

**Chemistry-Molecular models**

Select a compound and explain the advantages and disadvantages of using ball-an-stick, space-filling, and lewis structure to represent compound. What I have so far: The advantages for all the models are that you can see the shape of the atoms, but unlike the ball-and-stick and...

*Sunday, July 5, 2015 by Anonymous*

**Math**

Tiffany is constructing a fence around a rectangular tennis court. She must use 300 feet of fencing. The fence must enclose all four sides of the court. Regulation states that the length of the fence enclosure must be at least 80 feet and the width must be at least 40 feet. ...

*Thursday, July 2, 2015 by Lily*

**statistics**

Let, the Sample space, S={1,2,3,4,5,6,7, 8} A={1,3,5,7} B={1,3,4,6,7,8} C={1,7,8} 31. The intersection of A and B is: (a) A B {1,3,7} (b) A B {1,3,7,8} (c) A B {1,3} (d) A B {1,3,6,7} 32. The value of A...

*Tuesday, June 30, 2015 by meri*

**Statistics**

3. A bookstore sells two types of books (fiction and nonfiction) in several formats (hardcover, paperback, digital, and audio). Consider an experiment that consists of observing the type and format of a single book purchase, two possible outcomes are a hardcover fiction book ...

*Tuesday, June 30, 2015 by meri*

**Statistics**

1. Consider an experiment that consists of rolling a pair of dice. There are 36 possible outcomes for this experiment which are equally likely. What is the probability of getting a total of 3 or 5 for this experiment? (a) 1 /3 (b) 20/36 (c) 1/36 (d) 1/6 (e) 1/2 2. A car dealer...

*Tuesday, June 30, 2015 by meri*

**impoving writting**

Email.is quick, Texting is convenient. Facebook has photos, videos and games. But for all the fancy, multimedia modes of communication out there, nothing beats the thrill of opening the mailbox and finding a personnel letter, written and addressed to you. Writing letters by ...

*Monday, June 29, 2015 by yogita*

**Math**

p. 84 no.10 (from Solid Mensuration: Understanding the 3D Space book by Earnhart) Plane A which contains an isoceles right triangle forms a dihedral angle of 60 degrees with another plane B. If the hypotenuse of the triangle lies in plane B and measures 8 inches, find the ...

*Sunday, June 28, 2015 by Anonymous*

**math**

p. 84 no.10 (from Solid Mensuration: Understanding the 3D Space book by Earnhart) Plane A which contains an isoceles right triangle forms a dihedral angle of 60 degrees with another plane B. If the hypotenuse of the triangle lies in plane B and measures 8 inches, find the ...

*Sunday, June 28, 2015 by Karen*

**English 100**

Make your corrections in the space provided beneath each sentence. Most students do not like english class. They think its a waste of there time and energy. Ain’t nobody likes to right papers and take tests anyway? Me and you dont. My friend Johnny now him know alot about ...

*Monday, June 22, 2015 by Tam*

**university**

15. A landscape architect is planning an artificial waterfall in a city park. Water flowing at 1.70 m/s will leave the end of a horizontal channel at the top of a vertical wall h = 2.35 m high, and from there it will fall into a pool (see Figure on the right). (a) Will the ...

*Saturday, June 13, 2015 by nthabiseng*

**add maths**

Cabinet x which $100 per unit,requires 0.6 square meters of the floor space and can hold 0.8 cubic meters of files.Cabinet y which costs $200 per unit, requires 0.8 square meters of the floor space and can hold 1.2 cubic meters of files. the ratio the number of cabinet x to ...

*Friday, June 12, 2015 by kiena*

**math**

Aaron own a shipping company. He plans to move into his new office which is near to the city centre. He needs some filing cabinets to organize his files. Cabinet x which costs RM100 per unit, requires 0.6 square meters of the floor space and can hold 0.8 cubic meters of files...

*Tuesday, June 9, 2015 by mt*

**math**

Aaron own a shipping company. He plans to move into his new office which is near to the city centre. He needs some filing cabinets to organize his files. Cabinet x which costs RM100 per unit, requires 0.6 square meters of the floor space and can hold 0.8 cubic meters of files...

*Monday, June 8, 2015 by mt*

**French**

Bonjour! Are these sentences grammatically correct? 1. J’étais trés réservée. C’était une bonne chose, parce que je n’ai jamais eu des problémes pour parler. Mais il était difficile de se faire des amis (I was very quiet. It was good thing, since I never got in ...

*Sunday, June 7, 2015 by Lucina*

**Algebra**

the space shuttle does one full orbit every 90 minutes and the earth is 25,000 miles around. What is the apparent speed of the space shuttle?

*Wednesday, June 3, 2015 by Megan*

**English**

Snow blowers (also called snow throwers) can make the sometimes difficult, often-unpleasant task of clearing snow from sidewalks and driveways much easier. Before making a purchase, however, it’s best to learn a few snow blower basics. Most snow blowers are gasoline powered...

*Wednesday, May 27, 2015 by John*

**English**

"If you've got it, (1)_____ it" That's the (2)_____ of Georgia's philosophy. Georgia is my dorm roommate. a dance and theater major, she is a true extrovert- always showing off, always "on stage". It seems she is in constant motion, going from graceful leaps down the hall to ...

*Wednesday, May 27, 2015 by Mika*

**Physics**

In deep space, a 636 kg space probe, travels with an initial velocity of 19 m/s. Retro-rockets fire, producing a 212 N force in the opposite direction of the probe's initial velocity. How many seconds until the probe has a velocity of 22 m/s in the opposite direction of the ...

*Wednesday, May 27, 2015 by Emma*

**Physics**

In deep space, a 636 kg space probe, travels with an initial velocity of 19 m/s. Retro-rockets fire, producing a 212 N force in the opposite direction of the probe's initial velocity. How many seconds until the probe has a velocity of 22 m/s in the opposite direction of the ...

*Tuesday, May 26, 2015 by Emma*

**Physics**

In deep space, a small rock orbits an asteroid. The circular, orbit radius is 1037m and the velocity of the rock is 8.02m/s. Find the mass of the asteroid.

*Tuesday, May 26, 2015 by Jenny*

**Physics**

In deep space, a small rock orbits an asteroid. The circular, orbit radius (between their center of masses) is 1037 m and the velocity of the rock is 8.02 m/s. Find the mass (kg) of the asteroid. G=6.67x10^-11 m^3/kgs^2. I got 1.0x10^15 but that is incorrect.

*Sunday, May 24, 2015 by Sansa Stark*

**Art**

An interior designer creates a plan for a baby nursery. Why does he decide to use light blue as a main part of the color scheme? Light blue encourages infant brain development. Light blue is the most popular color for nurseries. Light blue will encourage the baby to look up at...

*Sunday, May 24, 2015 by Lala2015*

**LA**

Which statement from "Why Do We Need Zoos?" best captures the author's point of view? "...zoos were open to the general public, too, so everyone could find out about animals." "Some people feel that there is lots of wild space and that animals should only live there." "Zoos ...

*Friday, May 22, 2015 by David101*

**Physics**

Three charged particles are arranged on corners of a square as shown in the figure below, with charge -Q on both the particle at the upper left corner and the particle on the lower right corner, and charge +2Q on the particle at the lower left corner. (i) What is the direction...

*Thursday, May 21, 2015 by Anonymous*

**L A/The Giver**

Downward, downward, faster and faster. Suddenly he was aware with certainty and joy that below, ahead, they were waiting for him: and that they were wailing too, for the baby. For the first time, he heard something that he knew was music. He heard people singing. Behind him, ...

*Wednesday, May 20, 2015 by Marylyn*

**Science**

During a space shuttle landing, a parachute deploys from the back of the shuttle as it taxis down the runway. In addition to the speed brake, the parachute helps the shuttle come to a complete stop. How does the parachute help during this process? A. It increases the weight of...

*Monday, May 18, 2015 by Connie*

**math**

Mary wants to build a fence in the yard to keep her dog from running away. She only has 60 feet of fencing. If she wants to create a rectangular space that has a length that is twice as long as the width. How long is each side of the rectangular space?

*Sunday, May 17, 2015 by sasha*

**Science: Space**

I'm having trouble finding the answers to these fill-in-the-blank questions: Our understanding of the solar system has changed from an Earth-centered model of ____ and ____ to the sun centered model of _____ and _____. I was thinking for the first 2 blanks: rocks; oxygen and ...

*Wednesday, May 13, 2015 by Anonymous*

**Functions**

A particular company needs to ship cubed shaped boxes of varying sizes to customers. As these boxes are fragile they are to be packed inside a larger box with a 5 cm clearance on each side to allow space for a packing material. If v(x) is the volume of the smaller box as a ...

*Wednesday, May 13, 2015 by Rez*

**English**

Story : The Ethanol Debate Natalie Stewart What feature of the selection BEST illustrates that it is a persuasive essay? A) < -- A? the chart showing the rise in corn prices B) the information on how farmers feed their herds C) the description of how ethanol use costs ...

*Monday, May 11, 2015 by Sara*

**Science**

1.If the current (in amps) remains the same, but the voltage increases, what effect does this have on the power (in watts) consumed by some device? 2.How is the dimension of time different from the dimensions defining space?

*Monday, May 11, 2015 by Leo*

**Physics**

Consider a situation where immediately after birth, twins are separated. One continues to live on earth, while the other is whisked away in a space ship at 90% of the speed of light. After 65 years they are reunited. Will they look the same? Show proof of your answer through ...

*Sunday, May 10, 2015 by Brian*

**Physics**

The space shuttle releases a space telescope into orbit around the earth. The telescope is traveling at a speed of 1700m/s in 25 seconds. What is the distance of the satellite? d = v x t d = 1700 x 25 = Is that the correct formula? Thank you.

*Friday, May 8, 2015 by Steph*

**Physics**

Suppose you're an astronaut and you're sitting in a 6000kg space capsule riding on a 4000 m x 8000 m sail (whose mass is included in the 6000 kg). You're orbiting in the vicinity of a distant bright hot star giving off light with an intensity 8 x 10^9 W/m^2 at a distance where...

*Thursday, May 7, 2015 by M*

**Science**

Are these answers correct? 1. Which layer of the sun's atmosphere are you looking at when you look at an image of the sun? Photosphere**** Chromosphere Corona Prominence 2. Which of the following materials could have been found in the giant cloud that formed the solar system? ...

*Wednesday, May 6, 2015 by Emily*

**MS SUE PLZ HELP**

How does the C horizon form? Rainwater washes clay minerals from the A horizon to the C horizon Plant roots weather pieces of rock plants add organic material to the soil bedrock weathers, and breaks up into soil particles.** What makes up soil besides rock particles, minerals...

*Monday, May 4, 2015 by Levi Ackerman*

**Science**

How does the C horizon form? Rainwater washes clay minerals from the A horizon to the C horizon Plant roots weather pieces of rock plants add organic material to the soil bedrock weathers, and breaks up into soil particles.** What makes up soil besides rock particles, minerals...

*Monday, May 4, 2015 by Levi Ackerman*

**Chemistry**

An organic compound consists of only carbon, hydrogen, and oxygen. Through combustion analysis, 5.671g of water and 36.933g of carbon dioxide are formed from 17.422g of sample. C:12.0 amu O: 16.0 amu H:1.0 amu In the space provided please write the empirical formula and, if ...

*Friday, May 1, 2015 by Sara*

**Math**

Shelly and Andy are playing a game using a number cube and flips the coin. What are all possible outcomes during one turn? How many outcomes are in the sample space?

*Thursday, April 30, 2015 by Pat*

**Math**

A painting shaped like a circle had a diameter of 20 inches. A circular frame extends 2 inches around the edge of the painting. How much wall space does the framed painting need? Use 3.24 for pi.

*Thursday, April 30, 2015 by J J*

**5th grade math**

Jeff put small box that is 12 inches long, 8 inches wide, and 4 inches tall inside a box that's 20 inches long, 15 inches wide, and 9 inches high. How much space is left in the larger box?

*Thursday, April 30, 2015 by Chris*

**measurment**

Its recommended that there be at least 16.8 sq ft. of ground space in a garden for every newly planted shrub. a garden is 39.2 ft. by 15 ft. Find the maximum number of shrubs the garden can accomidate

*Wednesday, April 29, 2015 by pat*

**PHYSICS**

A particle (mass = 5.0 g, charge = 40 mC) moves in a region of space where the electric field is uniform and is given by Ex = 2.5 N/C, Ey = Ez = 0. If the velocity of the particle at t = 0 is given by vy = 50 m/s, vx = vz = 0, what is the speed of the particle at t = 2.0 s?

*Wednesday, April 29, 2015 by Mary*

**math**

King Arthur II has problems with pronouncing the digit 3. People are afraid of presenting something which includes 3 in it. The solution found is that if any number includes 3 as a digit, the number is divided by 2. This process continues as far as the new numbers include new ...

*Sunday, April 26, 2015 by ani*

**calculus**

A water tank has the shape of an inverted right circular cone with base radius 3 meters and height 6 meters. Water is being pumped into the tank at the rate of 12 meters3/sec. Find the rate, in meters/sec, at which the water level is rising when the water is 2 meters deep. ...

*Saturday, April 25, 2015 by ana*

**DISCRETE MATH**

HOW CAN YOU USE DISCRETE PROBABILITY TO CALCULATE THE PROBABILITY OF TESTING 5 DEVICES SUCH THAT ALL 5 END UP BEING NONDEFECTIVE, GIVEN THERE ARE 20 DEFECTIVE DEVICES TOTAL OF THE ORIGINAL 100 DEVICES? WHAT IS THE SAMPLE SPACE?

*Friday, April 24, 2015 by MARAL*

**Physical Science**

At 27 degrees Celsius and 750 mm Hg, a sample of hydrogen occupies 5.00 L. The space it occupies at STP = 4.49 L. Should the 4.49 L be rounded to 4.5 L? If not, is there a specific rule that explains rounding for this type of problem?

*Thursday, April 23, 2015 by Doris*

**Science**

1. Which layer of the sun's atmosphere are you looking at when you look at an image of the sun? Photosphere Chromosphere*************** Corona Prominence 2. Which of the following materials could have been found in the giant cloud that formed the solar system? Hydrogen and ...

*Thursday, April 23, 2015 by Andrew*

**physics**

A charge of -4.50 10-6 C is placed at a point in space where the electric field is directed toward the right and has a magnitude of 9.00 104 N/C. What are the magnitude and direction of the electrostatic force on this charge?

*Thursday, April 23, 2015 by jeff*