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September 22, 2014

Homework Help: Science: Outer Space

Recent Homework Questions About Outer Space

Post a New Question | Current Questions

Math
Space C has a base of 20 feet and a height of 24 feet and the two sides are both 26 feet (it is a parrallogram).... Space c will be tiled and used for an eating area. Each tile measures 1 square foot and cost $2. How much will it cost to tile the floor?
Tuesday, February 22, 2011 at 9:12pm

Physics
The space between two points
Tuesday, February 22, 2011 at 1:04pm

statistics
Ms. Kim Mooney in 1989 as part of completing her dissertation at UNH. The dataset was collected to assist in exploring the relationship between the “effect of social stress on blood pressure.” This was investigated by collecting data at six different points (i. ...
Monday, February 21, 2011 at 9:28pm

science
The following is current scientific evidence supporting the nebular theory on the formation of the solar system.' a the composition of the inner and outer planets, current observations of star formation, and the motion of the solar system b current observations of star ...
Monday, February 21, 2011 at 9:26am

english
Axia College Material Appendix B Sentence Structure Review Each of the following sentences has one grammatical error. The errors are in one of the following four categories: subject–verb agreement, run-on sentence, verb form and tense, or sentence fragment. Identify which...
Sunday, February 20, 2011 at 9:52pm

PHYSICS
A capacitor consists of a solid metal sphere of radius 3 cm placed at the center of a thin metal spherical shell of radius 12 cm. The space between is empty. What is the capacitance?
Sunday, February 20, 2011 at 2:01pm

Yr 10 English URGENT
"Write a creative description of a journey you have taken. Focus on the means of transportation and the nuances in particular to that way of travel. Select 10 words from the spelling list to use in your piece of writing and write in the space provided on the answer sheet...
Sunday, February 20, 2011 at 12:27am

Physics
What is the magnitude of the apparent weight of a 65 astronaut 3600 from the center of the Earth's Moon in a space vehicle moving at constant velocity?
Saturday, February 19, 2011 at 6:19pm

physics
A basketball star covers 2.70 m horizontally in a jump to dunk the ball (see figure). His motion through space can be modeled as that of a particle at a point called his center of mass (which we shall define in Chapter 9). His center of mass is at elevation 1.02 m when he ...
Friday, February 18, 2011 at 2:04pm

phy
As their booster rockets separate, Space Shuttle astronauts typically feel accelerations up to 3g, where g = 9.80 m/s2. In their training, astronauts ride in a device where they experience such an acceleration as a centripetal acceleration. Specifically, the astronaut is ...
Thursday, February 17, 2011 at 10:26pm

English
Thank you very much for the help! Here is the rephrase I found in the sparknotes. 1) Shakespeare has unhooked his work from time and place. The witches tell us that the next time they meet, it will be with Macbeth, and that this will occur before the sun goes down, when the ...
Thursday, February 17, 2011 at 2:21pm

physics
As their booster rockets separate, Space Shuttle astronauts typically feel accelerations up to 3g, where g = 9.80 m/s2. In their training, astronauts ride in a device where they experience such an acceleration as a centripetal acceleration. Specifically, the astronaut is ...
Thursday, February 17, 2011 at 12:30pm

English
Can you please check these sentences I am not sure of. Thank you. 1)The play opens with a meeting of the three witches in some sort of deserted place. The stage is empty: there are no trees, no houses,no people, absolutely nothing. 2) Shakespeare has unhooked (I need a synonym...
Thursday, February 17, 2011 at 8:27am

math
I do not know how to answer this question. Would someone please help me with each of the four question below? Thank you. Question 1. Write the sample space for the outcomes of tossing three coins using H for heads and T for tails. Question 2. What is the probability for each ...
Thursday, February 17, 2011 at 7:57am

English
"Write a creative description of a journey you have taken. Focus on the means of transportation and the nuances in particular to that way of travel. Select 10 words from the speeling list to use in your piece of writing and write in the space provided on the answer sheet...
Thursday, February 17, 2011 at 6:05am

geometry
Side of cube=6cm Sphere is placed in cube.Calculate volume of cube.Calculate volume of sphere.What percentage of the space in the cube does the sphere occupy?
Wednesday, February 16, 2011 at 12:35am

writing
Hilda takes an enormous amount of space, though so little time, in my adolescence. Even today, her memory stirs me; I long to see her again. She was three years older than I, and for a short while all I wanted was to look like, sound like, and dress like her. She was the only...
Monday, February 14, 2011 at 6:49am

Physics
Engineers are trying to create artificial "gravity" in a ringshaped space station by spinning it like a centrifuge. The ring is 170 m in radius. How quickly must the space station turn in order to give the astronauts inside it apparent weights equal to their real ...
Friday, February 11, 2011 at 1:03pm

physics 2 help please!
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 generates only a weak thrust, but it can do so over long periods of time with the ...
Thursday, February 10, 2011 at 7:07pm

physics
A space vehicle is coasting at a constant velocity of 24.7 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.228 m/s2 in the +x direction. After 42.3 s, the pilot ...
Thursday, February 10, 2011 at 1:04pm

physics
The earth exerts a downward force of 850 N on a veteran astronaut as he works outside the space shuttle. What force (if any) does the astronaut exert on the earth?
Thursday, February 10, 2011 at 11:26am

Desktop Publishing & Design :Illustrations
1. To be truly effective in a publication, an illustration should A. appear in a darker shade or color than text. B. appear in a lighter shade or color than text. C. complement the document's layout and text. D. feature a thin, dark border. 2. What is the most important ...
Wednesday, February 9, 2011 at 9:01pm

Math (Propogation)
Consider an antenna transmitting a power of 5W at 900MHz. Calculate the received power at a distance of 2km if propagation is taking place in free space.
Wednesday, February 9, 2011 at 8:51pm

PHYSICS PLEASE HELP
An astronaut in his space suit and with a propulsion unit (empty of its gas propellant) strapped to his back has a mass of 134 kg. During a space-walk, the unit, which has been completely filled with propellant gas, ejects some gas with a velocity of +32 m/s. As a result, the ...
Wednesday, February 9, 2011 at 5:07pm

Learning Chater School
Dana has a piggy bank(she is just starting to save money in her piggy bank). 1- All of the coins in her bank expect two quarters. 2- All of the coins in her bank except two are nickels 3- All ofthe coins in her bank except two are pennies . How much money does Dana have in her...
Tuesday, February 8, 2011 at 7:30pm

algebra
You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within 10 years. What integer ...
Monday, February 7, 2011 at 2:25pm

English
Can anybody help in evaluating this essay. i have to write an evaluation on it its by Wole Soyinka called Every Dictator's Nightmare With the blood-soaked banner of religious fanaticism billowing across the skies as one prominent legacy of this millennium, Martin Luther&#...
Sunday, February 6, 2011 at 7:12pm

English
I have to evaluate this essay.Can someone help me with this. how to evaluate this. some points on evaluating it. The essay is "Every dictator's Nightmare" by Wole Soyinka. thanks With the blood-soaked banner of religious fanaticism billowing across the skies as ...
Sunday, February 6, 2011 at 5:48pm

physics
A charge of -8.9 µC is traveling at a speed of 7.8 106 m/s in a region of space where there is a magnetic field. The angle between the velocity of the charge and the field is 60°. A force of magnitude 4.0 10-3 N acts on the charge. What is the magnitude of the ...
Saturday, February 5, 2011 at 5:18pm

physics multiple choice
Far from any gravity, an astronaut accidentally releases a metal wrench inside a spaceship that is traveling at a constant velocity of 250 km/s away from earth in outer space. What will be the subsequent behavior of that wrench as observed by the astronaut? A. It will fall to ...
Wednesday, February 2, 2011 at 8:27pm

Algebra
Suppose a model of the space shuttle "Endeavour" is 10 inches tall. The actual height of the "Endeavour" is 100 feet. What is the scale of the model?
Wednesday, February 2, 2011 at 6:05pm

math
An urn holds 13 identical balls except that 2 are white, 4 are black, and 7 are red. An experiment consists of selecting two balls in succession without replacement and observing the color of each of the balls. How many outcomes are in the sample space for this experiment? How...
Wednesday, February 2, 2011 at 6:03pm

physics multiple choice
Far from any gravity, an astronaut accidentally releases a metal wrench inside a spaceship that is traveling at a constant velocity of 250 km/s away from earth in outer space. What will be the subsequent behavior of that wrench as observed by the astronaut? A. It will fall to ...
Wednesday, February 2, 2011 at 4:43pm

childcare
Questions 1–3 are based on the following scenario: Mrs. Carroll and her sister, Ms. Howard, plan to operate a small day care center in a remodeled building. They're licensed and staffed to handle up to 24 children. Ms. Howard doesn't plan to work at the center and...
Tuesday, February 1, 2011 at 4:07pm

childcare
1. In order to be eligible for accreditation by the NAEYC, an early childhood program must serve a minimum of _______ children. A. five B. six C. ten D. fifteen 2. Which of the following agencies or organizations does not grant certifications? A. State Department of Education ...
Tuesday, February 1, 2011 at 4:06pm

child care
1. The first step to planning a child care center is to A. develop your program philosophy. B. determine the nature of the need for child care facilities in your community. C. establish goals for the children, parents, staff, and community. D. determine which method of ...
Tuesday, February 1, 2011 at 4:01pm

economics
1. Using optimization theory, analyze the following quotations: a. “The optimal number of traffic deaths in the United States is zero.” b. “Anny pollution is too much pollution.” c. “We cannot pull U.S. troops out of Iraq. We have committed so much ...
Monday, January 31, 2011 at 10:52pm

English
I made a few changes to my previous sentences. That's why I'm posting them back to you. Can you see if everything is OK? 1)It is a whitewashed room, in which the boys and the girls are sitting in two compact bodies separated from one another by a space in the middle. 2...
Monday, January 31, 2011 at 3:54pm

English
Can you please check if the following sentences are possible, please? Thank you very much. 1) Th scene takes place in a classroom of M'Choakumchild school. 2)It is a whitewashed room, in which the boys and the girls are sitting in two compact bodies divided up in the ...
Monday, January 31, 2011 at 1:52pm

Science
It would be awesome if you can help me with this :) Two station astronauts each need to perform three 8-hour EVAs during their 13-day mission to repair a damaged solar panel that was impacted by a micrometeoroid on the space station. How much oxygen will be needed to ...
Monday, January 31, 2011 at 12:17pm

physics
A journey consists of two displacements: the first is 500m in a northerly direction and the second is 200m in an easterly direction. In a space below draw, to scale, a vector diagram of these displacements. State the scale of your diagram. On your diagram, show the two ...
Monday, January 31, 2011 at 6:46am

science
If you Weighed 360 pounds on Earth with your space suit on, what would you weigh on the moon? Why?
Saturday, January 29, 2011 at 11:32pm

physical science 2
the force required to maintain an object at a constant velocity in free space is equal to: b: the mass of the object. c: the force required to stop it. d zero
Saturday, January 29, 2011 at 9:13pm

math
2.-The longest one-word name of any place in America is Chargoggagoggmanchauggagoggchubunagungam​augg.This name for a lake near webster, Massachusetts, is 45 letters long. It is a Native American name that means "You fish on you side, I'll fish on mine, and no ...
Saturday, January 29, 2011 at 6:12pm

English Grammer
Correct the incorrect verb form. Write the correct verb form in the space provided. Identify any sentence as correct. Bob speeded up his car when he saw the light turn yellow. would this be correct or would it be sped?
Friday, January 28, 2011 at 1:05pm

Environmental science
A municipal landfill has available space of 16.2 ha at an average depth of 10 m. Seven hundred sixty-five (765) m3 of solid waste is dumped at the site 5 days a week. The waste is compacted to twice its delivered density. Draw a mass-balance diagram and estimate the expected ...
Friday, January 28, 2011 at 12:18am

physics
an astronaut floating in space is separated from his ship. his mass in 85.0kg adn he is 10.0m from ship. he throws a wrench moss is .8000kg opposite direction with a velocity of 20m/s. how long will it take him to reach the ship?
Wednesday, January 26, 2011 at 9:47pm

space car
design a car for astronauts to drve in outer space
Wednesday, January 26, 2011 at 6:19pm

physics
A 5.50 104 kg space probe is traveling at a speed of 11000 m/s through deep space. Retrorockets are fired along the line of motion to reduce the probe's speed. The retrorockets generate a force of 4.00 105 N over a distance of 2600 km. What is the final speed of the probe?
Wednesday, January 26, 2011 at 6:06pm

physics help!!
A 5.50 104 kg space probe is traveling at a speed of 11000 m/s through deep space. Retrorockets are fired along the line of motion to reduce the probe's speed. The retrorockets generate a force of 4.00 105 N over a distance of 2600 km. What is the final speed of the probe?
Wednesday, January 26, 2011 at 5:22pm

science
an astronaut in space vehicle traveling from earth to the moon is in potential danger of being harmed by the sun's ultraviolet radiation.
Monday, January 24, 2011 at 6:13pm

Chemistry
Which of the following is the BEST explanation for why a catalyst speeds up a reaction? A) The catalyst increases the concentration of the products B) The catalyst decreases the total pressure in the container. C) The catalyst raises the temperature of the reaction mixture. D...
Monday, January 24, 2011 at 3:22pm

Chemistry
Which of the following is the BEST explanation for why a catalyst speeds up a reaction? A) The catalyst increases the concentration of the products B) The catalyst decreases the total pressure in the container. C) The catalyst raises the temperature of the reaction mixture. D...
Monday, January 24, 2011 at 9:47am

space
2 birds fly from their nest to get to a certain spot(food) in a straight line,from opposite directions (east-west) Both fly 60 km/hr.but one has a 44 km/hr tailwind to his advantage(disadvantage for the other.The bird with the advantage gets to the feeding spot 1 minute before...
Sunday, January 23, 2011 at 8:09pm

Chemistry
Which of the following is the BEST explanation for why a catalyst speeds up a reaction? A) The catalyst increases the concentration of the products B) The catalyst decreases the total pressure in the container. C) The catalyst raises the temperature of the reaction mixture. D...
Sunday, January 23, 2011 at 2:27pm

physical science
How many hours are required for a radio signal from a space probe near the dwarf planet Pluto, 6.00 x 10 (to the 9th) km away, to reach Earth? Assume that the radio signal travels at the speed of light, 3.00 10 (to the 8th) m/s.
Saturday, January 22, 2011 at 8:04pm

physics
Can you please help me with this question? A person is flying through space with person B exactly 186000 miles behind. When person A wants to accelerate, he uses a flashlight to signal person B.This means they accelerate together and remain exactly 186000miles apart. Person A ...
Saturday, January 22, 2011 at 5:21pm

physics
A space vehicle is coasting at a constant velocity of 20.5 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.390 m/s2 in the +x direction. After 49.0 s, the pilot ...
Friday, January 21, 2011 at 7:14pm

Math Please Help!!
Simplify. You may use the properties to help. When you type your answer, do not space between numbers and symbols. (-5a)(3b)(2c) Would this equal -30abc?? HELP!
Thursday, January 20, 2011 at 11:32am

Physics
What is the maximum circular speed the astronaut can have before he breaks free of gravity and goes drifting off into space?
Tuesday, January 18, 2011 at 9:09pm

MTH 157
A box contains 3 blue cards numbered 1 through 3, and 4 green cards numbered 1 through 4. List the sample space of picking a blue card followed be a green card.
Tuesday, January 18, 2011 at 8:28pm

Calculus Optimization
A model space shuttle is propelled into the air and is described by the equation y=-x^2/2e + ex (in 1000 ft), where y is its height above the ground. What is the maximum height that the shuttle reaches?
Tuesday, January 18, 2011 at 6:18pm

Calculus Optimization
A model space shuttle is propelled into the air and is described by the equation y=(-x2/2e)+ex in 1000 ft, where y is its height in feet above the ground. What is the maximum height that the shuttle reaches?
Tuesday, January 18, 2011 at 5:05pm

Geometry
Mr. Thompson has been asked to add storage space to a garage. He estimates 6 square feet per individual will be required to meet the needs of 12 people. If the storage space is 15% of the total amount of space required, how much total space does Mr. Thompson have?
Tuesday, January 18, 2011 at 12:06am

5th math
If a spinner is divided into 8 congruent sectors what is the sample space ? there a 2 1's, 2's. 3's and 4's that make up the segments
Monday, January 17, 2011 at 10:20pm

grade nine space
Compare the following objects in the our Solar System in terms of 1. Where they are located and 2. What they are composed of : Sun Terrestrial planets Jovian planets Asteroids Comets Meteroids
Monday, January 17, 2011 at 4:36pm

grade nine space
What is the difference between the terms rotation and revolution? I need to use the Earth to support my answer.
Monday, January 17, 2011 at 4:07pm

FAST MATH HELP
Need help problem solving-- A 500 space parking lot is packed with motorcycles and passenger cars, with only one vehicle in each space. How many motorcycles & cars r there if the total number of tires on the parked vehicles is 1650? I think I have to do this in some kind of ...
Thursday, January 13, 2011 at 10:32pm

optimization
A model space shuttle is propelled into the air and is described by the equation y= (-x2/2e) +ex (in 1000 ft), where y is its height in feet above the ground. What is the maximum height that the shuttle reaches?
Thursday, January 13, 2011 at 9:29pm

Math
Need help problem solving-- A 500 space parking lot is packed with motorcycles and passenger cars, with only one vehicle in each space. How many motorcycles & cars r there if the total number of tires on the parked vehicles is 1650? I think I have to do this in some kind of ...
Thursday, January 13, 2011 at 9:15pm

Math
Need help problem solving-- A 500 space parking lot is packed with motorcycles and passenger cars, with only one vehicle in each space. How many motorcycles & cars r there if the total number of tires on the parked vehicles is 1650? I think I have to do this in some kind of ...
Thursday, January 13, 2011 at 8:29pm

physics
the frequency of yellow lights is 5.00 x 10^14 Hz. if it travels through space (where v= 3.00 x 10^8m/s) find the wavelength of this light.
Thursday, January 13, 2011 at 5:17pm

main ideas study unit
scientist generally agree that earth is getting warmer due to what call the green house effectt. a greenhouse used for plant stay warm because sunlightand heat come through the glass roof are mostly trapped by the grass something like that happen on earth. the atmosphere act ...
Wednesday, January 12, 2011 at 12:38pm

Physics
The speed of a vehicle is 3.56 meters per second. Select from the list below all of the answers which express that speed and which are formatted so that CAPA can judge the answer [* means multiply, ^ means raise to a power, / means divide]. (Entering the NUMERICAL VALUE and ...
Tuesday, January 11, 2011 at 4:31pm

math
A shaded circle just fits inside a 2m x 3m rectangle. What is the radius in metres, of the largest circle that will also fit inside the rectangle but will not intersect the shaded circle? ----------------------------------------​-- I have a diagram with me, but I don'...
Tuesday, January 11, 2011 at 3:10am

space
the pull of gravity between earth and the sun acts across how many kilometers of space.
Monday, January 10, 2011 at 9:08pm

space
How many socks would it take to fill the space shuttle
Sunday, January 9, 2011 at 5:26pm

physics
Somewhere between the Earth and the Moon, the gravitational pull exerted by these two bodies on a space pod would cancel. Is this location nearer the Earth or nearer the Moon? A) Nearer the Earth. B) Nearer the Moon. C) At the half-way point.
Saturday, January 8, 2011 at 10:25pm

physics
A 87.2 kg astronaut is working on the engines of a spaceship that is drifting through space with a constant velocity. The astronaut turns away to look at Earth and several seconds later is 44.2 m behind the ship, at rest relative to the spaceship. The only way to return to the...
Saturday, January 8, 2011 at 6:10pm

physics
A 87.2 kg astronaut is working on the engines of a spaceship that is drifting through space with a constant velocity. The astronaut turns away to look at Earth and several seconds later is 44.2 m behind the ship, at rest relative to the spaceship. The only way to return to the...
Saturday, January 8, 2011 at 6:09pm

electromagnatic
a) Determine at 500kHz for a medium in which = 1, = 15, = 0. At what velocity will an electromagnetic wave travel in this medium? b) Find the propagation constant at 400MHz for a medium in which = 16, = 4.5 and = 0.6 S/m. Find the ratio of velocity to free space velocity.
Saturday, January 8, 2011 at 3:02pm

phisics
a) Find the inductance of an ideal solenoid with 300 turns, length 0.5m, and a circular cross section of radius 0.02m. b) A solenoid with = 1000, = 1.0 cm and = 50cm is concentric within a second coil of = 2000, = 2.0 cm, and = 50cm. Find the mutual inductance assuming free ...
Saturday, January 8, 2011 at 3:01pm

English
I forgot to include these two last sentences. i hope you can have a look at them, too. Thank you. 1) In 1989 film director Stanley Kubrik offered him the part of Bill Harford in the film Eyes wide shut. What/which part did Kubrik offer him in the movie Eyes Wide Shut? Which/...
Saturday, January 8, 2011 at 7:27am

science
based on the relationship between mass and volume.... How much space would 75 grams of water occupy?
Thursday, January 6, 2011 at 3:15pm

math
find the shaded area in the circle with a rectangle ( 3 x 4 ft dimension) inside the circle. I don't understand how to figure out the shaded area which is all the space between the circle and the rectangle?
Wednesday, January 5, 2011 at 10:07am

space
what is the difference between the atmosphere on earth and venus
Monday, January 3, 2011 at 10:34pm

maths
The vector equations of 2 beams of light r1 and r2 in 3 dimensional spaces referred to a fixed origin 0 are r1=2i+3j+2k+^(5i-4j+3k) r2=5i+5j-k+u(i-3j+3k) where ^ and u are scalar parameters a)prove that these lines intercept at a point in space b)Find the position vector for ...
Monday, January 3, 2011 at 11:14am

science
A crab shell is buried in sediments. The sediments get pressed and squeezed into stone. Meanwhile, the crab shell gets washed away leaving a hollow space the shape of a crab shell. What kind of fossil is this?
Sunday, January 2, 2011 at 11:27pm

physical science
when items float freely inside a space capsule, is it an example of Newton's law #1 or #3? As soon as the astronauts take off their helmets and gloves (after lift-off) in Apollo 13, the gloves float away. So is that an object in motion tends to stay in motion OR every ...
Sunday, January 2, 2011 at 1:09am

statistics
what is the sample space for this experiment: select two cards from a deck of 52 cards and observe the color of each card drawn.
Sunday, January 2, 2011 at 12:45am

science
how come there is a blackout period when the space shuttle goes behind the moon? Is it because radio waves can be transmitted through a solid object or through a vacuum or why?
Saturday, January 1, 2011 at 4:26pm

physical science
What physical law states: When an object nears a massive celestial object in space, it is attracted to its gravity
Friday, December 31, 2010 at 11:23pm

Physical Science
A 75 kg astronaut in space pushes against a 200 kg anvil. When the astronaut lets go of the anvil while pushing it: My answer is D (Just checking my work) A. both astronaut and anvil accelerate in opposite directions at the same rate B. neither the astronaut nor the anvil will...
Friday, December 31, 2010 at 3:10pm

physical science
which of newton's laws (1, 2, or 3)are used in the following: 1) spaceship reaches the speed for orbit around the earth, 2) pushing the shuttle forward in space 3) the force needed to escape earth's atmosphere
Friday, December 31, 2010 at 2:30pm

physics
A runner is jogging steadily at 7.7km/hr. When the runner is 3.6km from the finish line, a bird begins flying from the runner to the finish line at 23.1km/hr (3 times as fast as the runner). When the bird reaches the finish line it turns around and flies back to the runner. ...
Wednesday, December 29, 2010 at 12:49am

physics
In designing rotating space stations to provide for artificial-gravity environments, one of the constraints that must be considered is motion sickness. Studies have shown that the negative effects of motion sickness begin to appear when the rotational motion is faster than ...
Sunday, December 19, 2010 at 10:35pm

English
Can you please check these questions, too? Thank you. 1) Answer four of the following six questions. For each question write ten lines only. 2)Do not exceed the space provided. One of your four answer will be evaluated as an oral test.
Sunday, December 19, 2010 at 4:59pm

Statistics and Probability
One six-sided fair die is rolled, and one two-sided fair coin is tossed. If the coin turns up heads, then the number of spots showing on the die is the value (score) for that trial. If the coin is tails then twice the number of spots showing on the die is the value (score) for...
Thursday, December 16, 2010 at 10:15pm

Math
Simplify each expression. You may use the properties to help. When you type your answer, do not space between numbers and symbols. (4a)(5b)(6c)?
Thursday, December 16, 2010 at 1:57pm

11th grade
Calculate the minimum change in velocity (delta V or ∆V) required for the Space Shuttle to decrease its altitude to 60 miles if it’s orbiting with an apogee of 236 miles and a perigee of 215 miles above the surface of Earth. Use the rule of thumb that below an ...
Thursday, December 16, 2010 at 12:03pm

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