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October 25, 2014

Homework Help: Science: Outer Space

Recent Homework Questions About Outer Space

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math (Ms.Sue)
your room has 2 windows.Each window occupies 11.76 square ft of wall space.if the windows are each 2.8 ft wide,how tall is each window? my answer is 4.2 ft,am i right? if not tell why.
Monday, March 5, 2012 at 6:59pm

math
Suppose the space needle in seattle washington casts a 220 ft shadow at the same time a nearby tourist cast a 2- foot shadow if the tourist is 5.5 feet tall how tall is the space needle
Monday, March 5, 2012 at 1:29pm

AVSC
Consider the low-speed flight of the Space Shuttle as it is nearing a landing. If the air pressure and temperature of the shuttle are 1.2 atm and 300 K, respectively, what is the air density? Note: 1 atm = 101325 N/m^2. Hint: Use ideal gas law!
Monday, March 5, 2012 at 12:45pm

geometry
you want to buy a pickup truck and are interested in one with a large carrying capacity. One model features a rectangular prism-shaped cargo space, measuring 6ft by 10ft by 2ft;another has a space with dimensions 5ft by 11ft by 3ft. Which truck provides you with most carrying ...
Sunday, March 4, 2012 at 8:39pm

physics
Consider the low-speed flight of the Space Shuttle as it is nearing a landing. If the air pressure and temperature of the shuttle are 1.2 atm and 300 K, respectively, what is the air density? Note: 1 atm = 101325 N/m^2. Hint: Use ideal gas law!
Sunday, March 4, 2012 at 8:04pm

math
Emory is mounting 3 shelves of 12 3/4 in apart on a wall. If each board is 3/4 in. thick, what is the total vertical space occupied by the set of shelves?
Sunday, March 4, 2012 at 7:38pm

physics question
1) Let's continue to investigate your space vacation from last week. Your spaceship, which has a proper length of 300 m, passes near a space platform while you are moving at a relative speed of 86% the speed of light (so v=0.86*c). What is the length of the spaceship when ...
Sunday, March 4, 2012 at 7:21pm

Physics
1) Let's continue to investigate your space vacation from last week. Your spaceship, which has a proper length of 300 m, passes near a space platform while you are moving at a relative speed of 86% the speed of light (so v=0.86*c). What is the length of the spaceship when ...
Sunday, March 4, 2012 at 7:12pm

Biology
my sister still be sick so i still helping her post questions. i write paragraph from her textbook that go with question. Ultimately, Darwin recognized in nature a process that operates in a manner similar to the way artifical selection worked on farms and in fields. Darwin ...
Sunday, March 4, 2012 at 12:20pm

geometry
you want to buy a pickup truck and are interested in one with a large carrying capacity. One model features a rectangular prism-shaped cargo space, measuring 6ft by 10ft by 2ft;another has a space with dimensions 5ft by 11ft by 3ft. Which truck provides you with most carrying ...
Sunday, March 4, 2012 at 2:04am

Chemistry
How many moles of water are in 1.0g of water? (Give number only in space below to the correct number of significant figures)
Sunday, March 4, 2012 at 1:37am

geometry
you want to buy a pickup truck and are interested in one with a large carrying capacity. One model features a rectangular prism-shaped cargo space, measuring 6ft by 10ft;another has a space with dimensions 5ft by 11ft by 3ft. Which truck provides you with most carrying ...
Saturday, March 3, 2012 at 11:28pm

math
How can you decide whether a photo or drawing can be enlarged or reduced to fit a space without distorting the shape?
Thursday, March 1, 2012 at 9:01pm

math
Rental cost for offices spaces have been going up at 6.2% per year compounded annually for the past 5 years. If office space rent is now $32 per square foot per month, what were the rental rates 5 years ago
Sunday, February 26, 2012 at 11:44pm

English
Writeacher, I need you to check a paragraph I wrote some time ago. You revised just part of it. Thank you. 1)Speaker 4 has had lots of interviews lately. He was getting a bit blasé by the time he had my last interview. What he hadn't planned though was he had to ...
Sunday, February 26, 2012 at 5:42pm

Serial Killers
Could you maybe proofread over this essay I did on serial killers based on books I have read? Thanks! Jack The Ripper and Jeffrey Dahmer By:Bryce Screams and moans are heard all over the town as they unveil the corpse of Jack The Ripper's latest victim. Jack The Ripper and...
Sunday, February 26, 2012 at 1:29pm

Education
The major emphasis of Movement programs for young children is the development of concepts. In what three major categories are they broken into? Body,space,time What , who, were Movement skill and fitness Awareness , knowledge and understanding I think it's possibly A
Sunday, February 26, 2012 at 10:49am

College Physic I
A space probe is traveling in outer space with a momentum that has a magnitude of 4.99 x 107 kg·m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 1.87 x 106 N and a direction opposite to the probe's motion. ...
Saturday, February 25, 2012 at 8:48pm

Geometry
Marion is observing the launch of a space shuttle from the command center. When she first sees the shuttle, the angle of elevation to it is 16°. Later, the angle of elevation is 74°. If the command center is 1 mi from the launch pad, how far did the shuttle travel ...
Thursday, February 23, 2012 at 5:59pm

Stats
a coin is tossed twice, or until the first "tails" appears, whichever comes first. which of the following is the sample space for this random experiment? A, S=(H, T) B. S=(T, HT, HH) C. S=(T, TT)
Thursday, February 23, 2012 at 12:02am

college physic
Liquid helium is stored at its boiling point temperature of 4.2K in a shperical container(r=0.30m).The container is a perfect blackbody radiator.The container is surrounede by a sherical shield whose temperature is 77k.A vacuum exists in the space between the container and the...
Wednesday, February 22, 2012 at 1:28am

college physic
Liquid helium is stored at its boiling point temperature of 4.2K in a shperical container(r=0.30m).The container is a perfect blackbody radiator.The container is surrounede by a sherical shield whose temperature is 77k.A vacuum exists in the space between the container and the...
Wednesday, February 22, 2012 at 1:27am

business
which of the following is not a technique for emphasizing material in a résumé? A-presenting it in vertical lists B-including it as part of lengthy paragraph C- offsetting it with white space D- positioning it at the top of a page the answer is B
Tuesday, February 21, 2012 at 10:55pm

language arts/ analogies
Complete the analogies by selecting the pair of words who's relationship most resembles the relationship of the pair in capital letters. SCOLD:CHASTISE:: a. echo: reverberate b. depart: embark c. praise: lionize d. increase: augment (I think it is either a or d) FOREBODING...
Tuesday, February 21, 2012 at 7:13pm

math
I have a board 55 inches long, and 12, 4 inch balls, how far apart do I space them?
Tuesday, February 21, 2012 at 7:12pm

PHYSICS HEELLPPP!!
Many people mistakenly believe that the astronauts who orbit the Earth are "above gravity." Calculate g for space shuttle territory, 225 kilometers above the Earth's surface (dashed line in sketch). Earth's mass is 6 1024 kg, and its radius is 6.38 106 m (...
Monday, February 20, 2012 at 3:26pm

phys3
A biologist is studying growth in space. He wants to simulate Earth's gravitational field, so he positions the plants on a rotating platform in the spaceship. The distance of each plant from the central axis of rotation is r = 0.11 m. What angular speed is required?
Monday, February 20, 2012 at 2:55pm

Physics
When an air capacitor with a capacitance of 380 nF (1 {\rm nF} = 10^{-9}\;{\rm F}) is connected to a power supply, the energy stored in the capacitor is 1.95×10−5 J. While the capacitor is kept connected to the power supply, a slab of dielectric is inserted that ...
Sunday, February 19, 2012 at 11:13pm

principles of physics
7. If superman in space throws a boulder with 10 times as much mass as himself, and the boulder leaves his hands at 100 m/s, how fast does superman recoil? A) 1000 m/s. B) The same speed, 100 m/s. C) 10 m/s. D) None of these are correct.
Sunday, February 19, 2012 at 5:01pm

pop
If superman in space throws a boulder with 10 times as much mass as himself, and the boulder leaves his hands at 100 m/s, how fast does superman recoil? A) 1000 m/s. B) The same speed, 100 m/s. C) 10 m/s. D) None of these are correct.
Sunday, February 19, 2012 at 3:58pm

math
the international space station orbits 350 km above earth's surface. earth's radius is about 6370 km.use the pythagorean theorem to find the distance from the space station to earth's horizon.
Saturday, February 18, 2012 at 10:05pm

Psychology
Explain how even though images appear on the retina in two-dimensional space, we are able to perceive objects in three-dimensions ====== can someone answer this please? or give me an idea of this question? thanks
Thursday, February 16, 2012 at 10:07pm

Writing
Don’t you just wish you can have the time of your life without your parents? I know I wish I could. I would like to go out and hang out with my friends without parents such at parties with no chaperone. First reason is I could have a better relationship with my friends. ...
Thursday, February 16, 2012 at 6:43pm

algebra please ck.
joe wants to spend 70. dollars at most and has 60 cu inches of space left in his soldier's care package. candy costs $7 and takes up 3 cu inch of space phone cards cost $5. and take up 15 cu in. of space. Is this correct? if not please change it or tell me how ??? thanks ...
Thursday, February 16, 2012 at 6:39pm

PHYSICS HELP
A couple of astronauts agree to rendezvous in space after hours. Their plan is to let gravity bring them together. She has a mass of 66.0 kg and he a mass of 72.0 kg, and they start from rest 25.0 m apart. A)Find his initial acceleration. i put 7.68* 10^-12 m/s^2 B)Find her ...
Thursday, February 16, 2012 at 2:58pm

physics
(ignore the other question i posted this is the right one) A rocket has a pre-ignition mass of 1100kg. On ignition it burns fuel at rate of 20kg s-1 producing a thrust of 10000N. How long after ignition of the fuel, will the rocket lift off? also explain how is it possible for...
Wednesday, February 15, 2012 at 5:04pm

physics
A rocket has a per-ignition mass of 1100kgs-1 producing a thrust of 10000N. How long after ignition of the fuel will the rocket lift off? also explain how is it possible for a rocket to accelerate in space. (i cant work it outt. i know it involves the rocket thrust equation ...
Wednesday, February 15, 2012 at 5:01pm

physics
A couple of astronauts agree to rendezvous in space after hours. Their plan is to let gravity bring them together. She has a mass of 66.0 kg and he a mass of 72.0 kg, and they start from rest 25.0 m apart. 1)Find his initial acceleration. 2)Find her initial acceleration. 3)If ...
Wednesday, February 15, 2012 at 3:09pm

Physics
Comic-strip hero Superman meets an asteroid in outer space, and hurls it at 750 m/s, as fast as a bullet. The asteroid is three thousand times more massive than Superman. In the strip, Superman is seen at rest after the throw. Taking physics into account, what would be his ...
Wednesday, February 15, 2012 at 2:59pm

math
In the space below, indicate the values stored in the variables A,B,C, and D for the program. Enter your answers by typing in the value of A for Answer 1, value for B in Answer 2 and so on. Do this for all four variables.(8 points) 10 DATA 2,3,4,5 20 READ A1, B1, C1, D1 30 A...
Tuesday, February 14, 2012 at 7:02pm

algebra
would you please help me answer this question??? thanks mary wants to spend $70. at most for gifts but only has 60 cubic inches of space in her suitcase. rings cost $7 and take up 3 cubic inches of space and scarfs are $5 and take up 15 cubic inches. Write a system of four ...
Saturday, February 11, 2012 at 9:29pm

Accounting
Case study 2 Sailmakers Ltd John Jeffries recently left the army after more than 20 years in the service. He had decided that at 45 years of age it was time to start a second career. Throughout most of his life John had a passion for yachting and had competed successfully in ...
Saturday, February 11, 2012 at 7:34pm

business
1. The appearance of a document can do all of the following EXCEPT: a.establish rapport with the audience. b. guide your readers' attention. c.substitute for the written text in the document.(*) d. build goodwill. 2. The design of a document reflects on the writer in ...
Friday, February 10, 2012 at 6:50am

Math
The warehouse manager on a construction site is trying to figure out a rational way to control inventory and has asked for your help. There are a number of parts that have roughly the same characteristics relative to consumption and size (key when determining inventory control...
Thursday, February 9, 2012 at 10:08pm

Physics
What is the frequency of the electromagnetic radiation from outer space that reaches the earth with a wavelength of 1 x 105 m, and a velocity of 1 x 105 m/s?
Thursday, February 9, 2012 at 8:23pm

English 7 HW Assignment (PLZ read!)
English HW: List the title of one song that includes on example of determination. Include the artists name, and write down the section of lyrics that provide an example of determination. My English teacher said that it could be a love song or a i don't umm... a sad song. ...
Thursday, February 9, 2012 at 6:17pm

earth space science
Potassium-40 has a half-life of approximately 1.25 billion years. Approximately how many years will pass before a sample of potassium-40 contains one-sixteenth the original amount of parent isotope?
Thursday, February 9, 2012 at 9:53am

business math
Dennison Property Company purchases a new office space for lease to small businesses for $2,400,000, including a land value of $400,000. The property is placed in service on March 15, 1999. Using MACRS, what is the depreciation on this property at the end of its first year? (...
Wednesday, February 8, 2012 at 8:05pm

physics
how do scientist know that the chemical elements here on earth are the same as on the planets in space and not some different elements
Wednesday, February 8, 2012 at 7:56pm

business math
Baker Company purchases a new delivery truck for $20,000. The truck is expected to have a useful life of 90,000 miles before replacement, and a salvage value of $2,000. In its first year the truck was driven 22,000 miles, and a further 19,000 miles in year two. What is the ...
Wednesday, February 8, 2012 at 1:44pm

geometry
an electronic manufacturer wants to ship a stereo system. The system includes the following components: 1 Receiver 20in. x 8in. 1 CD Player 20in. x 8in. x 5in. 1 Dual Tape Deck 20in. x 8in. x 6in. 2 Half-Cylinder Speakers, each with a height of 22 in. and a radius of 4 in. To ...
Wednesday, February 8, 2012 at 10:51am

physics
When a 1150 kg space rocket lifts off of ground. How many joules of energy has been provided by its engine during the time in which it achieves a speed of 180 m/s.
Tuesday, February 7, 2012 at 8:13pm

elements of design
1. Study the following sentence, then select the answer that best describes it. THE COW JUMPS OVER THE MOON! A. Italic serifed type B. Bold roman sans serif type C. Bold italic sans serif type(my answer) D. Bold roman serifed type 2. Which one of the following statements about...
Tuesday, February 7, 2012 at 1:37pm

desktop publishing: an introduction
1. What significant contribution did Gutenberg make to the printing process? A. Rotary press B. Woodcuts C. Movable types D.Monotype My answer A 2. The process of using a computer to write, design, and assemble documents is called A. optical storage C. consulting B. desktop ...
Tuesday, February 7, 2012 at 1:21pm

math
Jackson is creating a water garden surrounded by a triangular patch of grass. If the pond will take up the space indicated by the circle, how many square feet of sod will he need to complete the garden (use 3.14 for and round your answer up to the next foot)?
Tuesday, February 7, 2012 at 11:33am

real analysis
How to find the perpendicular to the victor space R^k
Monday, February 6, 2012 at 9:27pm

space
A space capsule needs to have its speed inceased slightly to set it on course.A spaceship moves up slowly to the capsule, and makes contact with it.The spaceship's rocket engine is fired for 10s. The gases exert a forward force of 12000n on the spaceship during the time ...
Monday, February 6, 2012 at 1:50pm

physics
Two charged particles q1 and q2 were initially at rest at a seperation of 2m in a gravity free space. Then evaluate after what time seperation between them will be 8m (neglect electromagnetic losses) .
Monday, February 6, 2012 at 6:04am

physics
n outer space, far from other objects, block 1 of mass 40 kg is at position (7,9,0) and block 2 of mass 1000 kg is at position (17,13,0) Since the z components of position are zero, the (vector) gravitational force acting on block 2 due to block 1 will be (-21.359e-9,-8.54198e...
Sunday, February 5, 2012 at 11:41pm

science
A space probe of the surface of Mars sends a radio signal back to the Earth, a distance of 3 x 1010 km. Radio waves travel at the speed of light (3.00 x 108 m/s). How far away is the space probe? How many seconds does it take for the signal to reach the Earth? How many hours ...
Saturday, February 4, 2012 at 11:40pm

FACS - Pen Pal Letter Project HELP!!!
Name ________ Period 5 FACS - (teacher's name) (Space down 5 lines) *Tab 5 across for HEADING/ADDRESS & DATE (what does this means?) (Space down 2 times after date) GREETING (Space down 2 times after greetings THIS IS THE INFO. FOR FRIENDLY LETTER/PEN PAL LETTER - Margins...
Saturday, February 4, 2012 at 6:05pm

algebra
A marketing group developing online ad space is offering two payment options: Option 1: $210 set up fee plus $10/inch of the ad Option 2: No set up fee but $25/inch of the ad Let x = inches of the proposed ad, for example, x = 2 for a column ad that is 2 inches long. a) Write ...
Saturday, February 4, 2012 at 1:09pm

college algebra
3. Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by S(t) = 68 − 20 log (t + 1), t ¡Ý 0. What was the average ...
Thursday, February 2, 2012 at 10:52pm

math
if 8 cds take up 3 1/4 inches of shelf space, how many cds will fit on 65 inches of shelf space? how do you figure it out?
Thursday, February 2, 2012 at 7:40pm

Physics
A parallel-plate capacitor is constructed with circular plates of radius 0.056 m. The plates are separated by 0.25 mm, and the space between the plates is filled with dielectric with dielectric constant k. When the charge on the capacitor is 1.2 uc the potential difference ...
Thursday, February 2, 2012 at 3:14am

science
what technologies or what do explorers need to survive a volcano underwater and space?
Wednesday, February 1, 2012 at 10:10pm

Physics
A point charge q = -2.41 nC is initially at rest adjacent to the negative plate of a capacitor. The charge per unit area on the plates is 4.67 μC/m2 and the space between the plates is 6.53 mm. What is the potential difference between the plates? What is the kinetic ...
Wednesday, February 1, 2012 at 8:46pm

Physics
An (63Kg) astronaut, floating alone in outer space, catches a 7Kg bowling ball traveling at 20m/s. The velocity of the astronaut and bowling ball after the catch is
Wednesday, February 1, 2012 at 5:54pm

math pre algebra
a kennel owner is buying a new building he want the space for each dog run to be at least 96 square ft the area reserved for the dog ru.s is 30 ft by 60 ft
Tuesday, January 31, 2012 at 8:24pm

physics
A space vehicle is coasting at a constant velocity of 22.5 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 0.223 m/s2 in the +x direction. After 57.5 s, the pilot ...
Tuesday, January 31, 2012 at 1:59pm

physics
A space traveler weighs 620 N on earth. What will the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth?
Monday, January 30, 2012 at 8:24pm

physics
While in empty space, an astronaut throws a ball at a velocity of 15 m/s. What will the velocity of the ball be after it has traveled 2 meters?
Monday, January 30, 2012 at 8:14pm

Alg 1
You have 60 megabytes of space left on your portaable media player. You can choose to download song files that use 3.5 megabytes or video files that use 8 megabytes. You want to download at least 12 files. What is a graph showing the numbers of songs and video files you can ...
Monday, January 30, 2012 at 12:31am

physical
a rocket moves through outer space at 11,000 m/s at this rate how much time would be required to travel the distance from earth to moon which is 380,000 km
Saturday, January 28, 2012 at 6:59pm

Physics
Explain why a rapidly spinning gyroscope, mounted in a frame that allows it to rotate in any direction independently of the frame’s rotation, tends to maintain its axis pointed in the same direction in space.
Friday, January 27, 2012 at 6:46pm

math
A couple intends to have four children. Assume that having a boy and girl is equally likely event. a) List sample space b) Find the probability that couple has two boys and two girls; c) Find the probability that couple has at least one boy
Monday, January 23, 2012 at 12:29am

world history
Which of the following is NOT true about the arms race between the United States and the Soviet Union during the cold war? A. The Soviet Union created the first man-made satellite, prompting the United States to develop the National Aeronautics and Space Administration (NASA...
Sunday, January 22, 2012 at 9:57pm

physics
It is desired to move a small, 50 kg cat in outer space by strapping a lamp, which emits 100 W of blue light to it. If the cat is free in space, and the wavelength of blue light is 470 nm, what would be the acceleration of the cat? (HINT: Consider how many photons are emitted ...
Sunday, January 22, 2012 at 7:40pm

Science
If the variation in g between one's head and feet is to be less then 1/100 g, then, compared to one's height ,what should be the minimum radius of the space habitat?
Saturday, January 21, 2012 at 3:41am

physics
A space vehicle is coasting at a constant velocity of 21.1 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 0.380 m/s2 in the +x direction. After 41.0 s, the pilot ...
Friday, January 20, 2012 at 3:19pm

physics
An astronaut in his space suit has a total mass of 275 kg. His weight on the asteroid Erewhon is 0.3 N. What is the acceleration of gravity on Erewhon?
Friday, January 20, 2012 at 11:22am

maths
one bag contains 1 red ball,1 yellow ball, 1green ball and 1 blue ball the second bag contains 1 pink ball and 1 grey ball what is the sample space out come
Thursday, January 19, 2012 at 12:31pm

math
A room has 750 cubic feet of space. If the room is as high as it is long and wide, what is the approximate height of the rooms ceiling?
Wednesday, January 18, 2012 at 8:15pm

math
A room has 750 cubic feet of space. If the room is as high as it is long and wide, what is the approximate height of the rooms ceiling?
Wednesday, January 18, 2012 at 8:14pm

Precalc
A line in space has the vector equation shown here. Fill in the blanks to find the position vector to the fixed point on the line that appears in the equation: vector r=(5+(6/11)d)vector i + (3+(9/11)d)vector j + (7+(2/11)d)vector k vector v= _____ vector i + _____ vector j + ...
Wednesday, January 18, 2012 at 7:07pm

Astronomy 1010
The International Space Station orbits approximately 350 km above the Earth's surface. (The Earth's radius is 6,378 km.) Are the astronauts beyond the pull of Earth's gravity? Explain your reasoning.
Tuesday, January 17, 2012 at 9:19pm

Astronomy 1010
The International Space Station orbits approximately 350 km above the Earth's surface. (The Earth's radius is 6,378 km.) Are the astronauts beyond the pull of Earth's gravity? Explain your reasoning.
Tuesday, January 17, 2012 at 8:25pm

physics
What reaction would you get from francium and water in outer space and what if you added hydrogen to the experiment as far as being used for fuel for travel
Tuesday, January 17, 2012 at 2:04am

Physics
A runner is jogging at a steady 8.4 km/hr. When the runner is 2.6 km from the finish line, a bird begins flying from the runner to the finish line at 42 km/hr (5 times as fast as the runner). When the bird reaches the finish line, it turns around and flies back to the runner. ...
Monday, January 16, 2012 at 10:54pm

Physics
An astronaut of mass 70 kg carries an empty oxygen tank of mass 14 kg. He throws the tank away from himself with a speed of 3 m/s. With what velocity does the astronaut start to move through space?
Sunday, January 15, 2012 at 7:47pm

Liberal Arts
Part 1: You finally made it…graduation day has arrived! Your parents are so proud that they are throwing you a HUGE party. They have rented a big tent for your graduation party just in case it rains. The inside of the tent (represented by the blue area) is set up for a ...
Saturday, January 14, 2012 at 4:48pm

Physics
Please show steps and thank you! An astronaut of mass 70 kg carries an empty oxygen tank of mass 14 kg. He throws the tank away from himself with a speed of 3 m/s. With what velocity does the astronaut start to move through space?
Saturday, January 14, 2012 at 1:56pm

Writing Sentences and Paragraphs
Ok I worked real hard on this :) I hope I nailed it this time. My other question is : Is it one space after commas? Two spaces after a period ? and one space after an exclamation mark. Ok fingers crossed ! Anna, I am so happy you’ve moved back to Burlington from Bay view...
Thursday, January 12, 2012 at 11:01pm

English
For the poem below named the new colussus i have to define what the new world is being portrayed as but i dont understand it, if someone can help me please : Is anyone familiar with the poem the new colossus : The New Colossus Not like the brazen giant of Greek fame, With ...
Wednesday, January 11, 2012 at 1:03pm

Physics
An open train car moves with speed 11.3 m/s on a flat frictionless railroad track, with no engine pulling the car. It begins to rain. The rain falls straight down and begins to fill the train car. The speed of the car 1. increases. 2. decreases. 3. stays the same. A(n) 71.6 kg...
Wednesday, January 11, 2012 at 12:44am

guess and check sheet
denzil list starts with the light show. Could the list start with the space first?
Monday, January 9, 2012 at 6:52pm

physics
A closed auditorium of volume 27100 m^3 is filled with 2210 people at the beginning of a show, and the air in the space is at a temperature of 292 K and a pressure of 1.013·10^5 Pa. If there were no ventilation, by how much would the temperature (in K) of the air rise ...
Saturday, January 7, 2012 at 3:24pm

math
A photograph is 4.5 in wide and 6 in. long. A yearbook editor has the photo reduced to fit a space 1.9 in. wide. How long is the reduced photograph?
Friday, January 6, 2012 at 12:27pm

Geometry
Describe the locus of all points, in space, that are 5 cm from line p. a. a line, 5 cm from line p. b. a pair of parallel lines, each parallel to and 5 cm from line p. c. a sphere with a radius of 5 cm. d. a cylinder with a radius of 5 cm. D?
Thursday, January 5, 2012 at 9:09am

PHYSICS
A Few questions- please help!!! also show steps! What magnitude of force, acting for 0.025 s, will change the velocity of a 100 g ball from 30 m/s eastward to 40 m/s westward? A girl holds a 1.7 kg air rifle loosely and fires a bullet of mass 2 g. The muzzle velocity of the ...
Wednesday, January 4, 2012 at 8:13pm

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