Wednesday
July 27, 2016

Homework Help: Science: Outer Space

Recent Homework Questions About Outer Space

Physical science
the space shuttle typically orbits 400 km above the earth's surface.the earth hass a mass of 5.98*10 to the 24 squared kg and a raduis of 6,380 km.A)how much would a 2000 kg part form the space station weight when it has been lifted to that orbit in the shuttle's cargo...
Monday, December 7, 2015 by Chad

Science
1.)Why is Earth’s temperature just right for life? (1 point) A.)Earth’s core is hot enough to heat Earth’s surface. B.)Earth’s magnetic field creates suitable temperatures on Earth’s surface. C.)Earth’s crust is warmed by heat from the sun. D.)...
Monday, December 7, 2015 by YRN DJ

english
The film image thus became almost square during the early years of the talkies until the space occupied by the sound track on the film was successfully reduced. Can someone explain to me what this mean? I don't understand.
Saturday, December 5, 2015 by sam

english
how would you describe some who is crazy to jump from outer space to earth
Saturday, December 5, 2015 by Adam

Math
A 8-kilometer roadway under construction is being completed at space of one-length of its length per week. After 5 weeks, how many meters remain to be completed? Help? hard..
Thursday, December 3, 2015 by Kristine

math
I'm building a new fence around my yard. The length is 20 ft. The width is 18 ft long. How much fence will I need to enclose the entire space?
Monday, November 30, 2015 by Anonymous

Art...10 questions?
1. How has the artist used value in this painting?(Adoration of the Shepherds by Nicolaes Maes) A. The background is lighter than the foreground to draw the viewer's eye. B. The artist did not use value in this painting. C. The subject is lighter than the background to ...
Saturday, November 28, 2015 by Anonymous

microeconomics
A beekeeper and a farmer with an apple orchard are neighbors. This is convenient for the orchard owner since the bees pollinate the apple trees: one beehive pollinates one acre of orchard. Unfortunately, there are not enough bees next door to pollinate the whole orchard and ...
Friday, November 27, 2015 by Alex

physics
Explain two different reasons why fibreglass is used to fill the space between the concrete block and the metal casing.
Wednesday, November 25, 2015 by Fernando Guo

Christopher Columbus vs. First man in Space
What are some comparisons and contrasts of Christopher Columbus and the first man in space?
Sunday, November 22, 2015 by Aelia T.123

PHYSICS
A plane electromagnetic wave moving through free space has an E- field given by E_x=0; E_y=0; E_z=100 sin[8π×〖10〗^14 (t- x/(3×〖10〗^8 ))]. Calculate the corresponding flux density.
Sunday, November 22, 2015 by NOONY

Biology Check answers
1.   Which of the following correctly describes the image below?    protein Molecule RNA Molecule amino Acid carboxylic Acid 2.   Glucose and fructose are monosaccharides that have the same chemical formula, C6H12O6. However, they do not react...
Friday, November 20, 2015 by Anna

Algebra(please check my answers)
**Fill in the appropriate vocab words that best fit into the sentences below** ~" Word Bank "~ A) central angle B) line of symmetry C) reflection D) transformation E) vertical angles F) transversal G) point H) circle ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~​ ...
Thursday, November 19, 2015 by Maya^.^

Math
1. Choose a room you would like to decorate. Measure its length or width. This measurement will be the length of your pennant string. 2. Choose a size of paper square to use. (Hint: Whole number side lengths will make the calculations easier.) 3. Cut the square in half along ...
Wednesday, November 18, 2015 by YRN DJ

Science
1) Explain why Earth and other planets were not solid when they formed during the beginning of the Precambrian, approximately 4,600 million years ago (MYA). What was this particular time period called, and why is this time period not really considered a part of Earth’s ...
Tuesday, November 17, 2015 by Anonymous

SCIENCE check answers please :)
1) Explain why Earth and other planets were not solid when they formed during the beginning of the Precambrian, approximately 4,600 million years ago (MYA). What was this particular time period called, and why is this time period not really considered a part of Earth’s ...
Tuesday, November 17, 2015 by Cami

English/Creative Writing
Check, please! What do you think? Read the beginning of this tall tale and using your imagination, write an exaggerated ending. Beginning: Honey, the goat, Paul's rambunctious new pet, contentedly grazed in white picket fence posts. As she slowly ate her way across the ...
Tuesday, November 17, 2015 by Victoria

AP physics 1
an astronaut on a space walk discovers that this jet pack has no longer works, leaving him stranded 50m from the space-craft. If the jet pack is removable, explain how the astronaut can still use it to return to the ship?
Sunday, November 15, 2015 by lakpa

Physics
Determine the velocity of the Hubble deep space telescope while it is in orbit at a height of 598 km (5.98 x 105 m) above the earth’s surface. The earth’s radius is approximately 6.4 x 106 m. The mass of the earth is 6.0 x 1024 kg.
Sunday, November 15, 2015 by Smit

Physics
rotating space station has radius 1380 m, measured from the center of rotation to the outer deck where the crew lives. What should the period of rotation be if the crew is to feel that they weigh one-half their Earth weight?
Sunday, November 15, 2015 by Anonymous

Math, physics
A rotating space station has radius 1380 m, measured from the center of rotation to the outer deck where the crew lives. What should the period of rotation be if the crew is to feel that they weigh one-half their Earth weight?
Saturday, November 14, 2015 by Pikka

geometry
Parallel lines in space are coplanar. A. always B. sometimes C. never
Thursday, November 12, 2015 by Kate

Art
1.Which element did this artist use most to emphasize her original creation of a cotton candy creature? A. negative space b. color c. line d. texture
Thursday, November 12, 2015 by Animal_Lover

accounting
On January 1, 2013, National Insulation Corporation (NIC) leased office space under a capital lease. Lease payments are made annually. Title does not transfer to the lessee and there is no bargain purchase option. Portions of the lessee's lease amortization schedule appear...
Wednesday, November 11, 2015 by Anonymous

math
according to information from NASA, the space shuttle has a capacity of about 500,000 gallons of fuel. Write three numbers that could represent the space shuttle's actual fuel capacity? I don't understand the question.
Wednesday, November 11, 2015 by joshua

accounting
On January 1, 2013, Sweetwater Furniture Company leased office space under a 21-year operating lease agreement. The contract calls for annual rent payments on December 31 of each year. The payments are $19,000 the first year and increase by $350 per year. Benefits expected ...
Wednesday, November 11, 2015 by Anonymous

Science
A student is trying to identify the different forms of energy described in the following chart: Form of Energy Description Examples Energy A energy that travels in waves through space light radio waves Energy B energy that depends on the height of an object a person at the top...
Wednesday, November 11, 2015 by Ariel

plkz helap
Identify the choice that best completes the statement or answers the question. 1. Studies conducted in England during the Industrial Revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely ...
Tuesday, November 10, 2015 by shynice

i need help science plz hurry
Identify the choice that best completes the statement or answers the question. 1. Studies conducted in England during the Industrial Revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely ...
Tuesday, November 10, 2015 by shynice

Science
1. Which layer of the sun's atmosphere are you looking at when you look at an image of the sun? Photosphere Chromospheres Corona Prominence 2. Which of the following materials could have been found in the giant cloud that formed the solar system? Hydrogen and helium ...
Monday, November 9, 2015 by Shalee^~^

Science
1. Which layer of the sun's atmosphere are you looking at when you look at an image of the sun? Photosphere Chromospheres Corona Prominence 2. Which of the following materials could have been found in the giant cloud that formed the solar system? Hydrogen and helium ...
Monday, November 9, 2015 by Shalee^~^

earth/space
Maribel places her backpack and lunch bag on a lab table where there are lab materials. What is the safest way for Maribel to arrange the items?
Monday, November 9, 2015 by De'asia

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...
Saturday, November 7, 2015 by Lea

Science
Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements about the solar system&#...
Friday, November 6, 2015 by Cami

Science
what are some tools used to collect data in space?
Thursday, November 5, 2015 by Cami

Space craft
How will you overcome these challenges with the design of your spacecraft? (I decided to choose the inner planet mercury) I put: Mercury is very different than Earth. It’s far rougher than earth; the main problem is the temperature. Humans can’t just live there ...
Thursday, November 5, 2015 by Areana

Science - Mercury
So I'm in the middle of working on a science portfolio and it says: How will you overcome these challenges with the design of your spacecraft? you see I'm planning my own mission to space and I'm traveling to mercury, but I don't know how my spacecraft should ...
Thursday, November 5, 2015 by Areana

ART CHECKING!!! PLEASE CHECK IT!!! :(
1. How has the artist used value in this painting?(Adoration of the Shepherds by Nicolaes Maes) A. The background is lighter than the foreground to draw the viewer's eye. B. The artist did not use value in this painting. C. The subject is lighter than the background to ...
Thursday, November 5, 2015 by OHI

math
A garden in the farm 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 17msquared, calculate the : Perimeter of the garden Area of the space covered by the garden and the path
Thursday, November 5, 2015 by joan

Math
Dylan plants grass in a rectangle space behind the clump house.nthe area of the space was 70 ft. If the length of the space is 14 ft. What's the width of the space
Wednesday, October 28, 2015 by Dylan

Math
The area of a rectangle mirror is 11 11/16 feet. The width is 2 3/4 feet. If there is a 5 foot tall space on the wall to hang the mirror will it fit explain.
Tuesday, October 27, 2015 by Kylen

physics
The motion of a human body through space can be modeled as the motion of a particle at the body's center of mass. The components of the position of an athlete's center of mass from the beginning to the end of a certain jump are described by the following two equations...
Sunday, October 25, 2015 by Spice

astronomy
In space, the angular resolution of the Keck telescope is govererned by the diffraction limit. How far away could you read the same book, using the Keck telescope in space? Please express your answers in units of meters.
Sunday, October 25, 2015 by Titos

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...
Saturday, October 24, 2015 by Tsambikos

Algebra
paint express charge $30 per gallon of paint plus $1.10 per square foot of wall space. color creations charges $24 per gallon of paint plus $1.20 per square foot of wall space. robert estimates he will need four gallons of paint for the rooms he'd like painted. how much ...
Friday, October 23, 2015 by Betty

science
Fill in the blank with the word or phrase that best completes the statement or answers the question. 14. The scientific name for a plant that reproduces with flowers is a(n) (1 point) angiosperm* 15. At certain times of the year, the male sage grouse can be seen inflating the ...
Thursday, October 22, 2015 by anonymous

math
a square foot of wall space needs 1/8 quart of paint. terrence has 7 quarts of paint, but uses 2 quarts to paint a pipe. how many square feet of wall can he paint with the rest of the paint?
Thursday, October 22, 2015 by kewin

Chemistry
You discover a chunk of white shiny metal and want to know what it is made of. So, you have it analyzed by mass spectrometry and you see two peaks of different heights, according to the data shown below: Peak 1 - mass (amu): 106.90509 -relative peak height (%): 53.875% Peak 2...
Wednesday, October 21, 2015 by Anonymous

History Part2
Fill in the blank with the word or phrase that best completes the statement or answers the question. 14. The scientific name for a plant that reproduces with flowers is a(n) (1 point) 15. At certain times of the year, the male sage grouse can be seen inflating the air sacs on ...
Tuesday, October 20, 2015 by Douglas

History
1. Studies conducted in England during the Industrial Revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely explanation for this difference in height is a difference in (1 point) A.)nutrition...
Tuesday, October 20, 2015 by Douglas

Physics 101 (I'm stupid)!
And Astronaut wearing an environment suit has a total mass of 130 kg. What is his weight on earth? What would his weight be on Mars where the acceleration of gravity is 3.26? What is his mass on Mars? Why? If he should end up adrift and deep space what what his mask be? Why?
Tuesday, October 20, 2015 by Haley

Physics 101 (I'm stupid)!
And Astronaut wearing an environment suit has a total mass of 130 kg. What is his weight on earth? What would his weight be on Mars where the acceleration of gravity is 3.26? What is his mass on Mars? Why? If he should end up adrift and deep space what what his mask be? Why?
Monday, October 19, 2015 by Haley

Physics-E&M
8.1 Collision? A permanent magnet creates a homogenous magnetic field B~ inside a rectangular region. The magnet is moving with a velocity ~v ⊥ B~ . A particle at rest with mass m and charge Q is on the path of the magnet. Assume that the magnet has a mass much larger ...
Monday, October 19, 2015 by Ryan

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...
Sunday, October 18, 2015 by Anonymous

physics
suppose that the two person,each of mass 100kg are 3meter a part in outer space.what is the magnitude of the gravitational
Sunday, October 18, 2015 by abdu

science
Fill in the blank with the word or phrase that best completes the statement or answers the question. 14. The scientific name for a plant that reproduces with flowers is a(n) (1 point) 15. At certain times of the year, the male sage grouse can be seen inflating the air sacs on ...
Thursday, October 15, 2015 by Adri,

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 ...
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 ...
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 ...
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...
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 ...
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 ...
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. ...
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 ...
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&#...
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 ...
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

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Homework Help: Science