Saturday
October 1, 2016

Homework Help: Science: Outer Space

Recent Homework Questions About Outer Space

physics
A space station consists of two donut-shaped living chambers, A and B, that have the radii shown in the drawing. As the station rotates, an astronaut in chamber A is moved 1.99 102 m along a circular arc. How far along a circular arc is an astronaut in chamber B moved during ...
Monday, April 4, 2016 by jb

Geography
How does space influence devolutionary movements
Sunday, April 3, 2016 by Anonymous

Geography
Which of the following does not describe a boundary? A. Vertical plane that cuts through the rocks below. B. Divides one state from another. C. Natural Resources identify boundaries D. Air space defined above the atmosphere of a state. E. All of the above describe a boundary E?
Saturday, April 2, 2016 by Anonymous

Math
Mariah has a flower bed that is 10 feet long and 5 feet wide. She wants to put a fence around the flower bed to keep the deer from eating her flowers. She also wants to leave enough space to walk between the fence and the flower bed. What is the perimeter of the fence if the ...
Friday, April 1, 2016 by Diane

Art
Which definition is the best description of vanishing point? A black dot in space where al lines converge and all objects recede An imaginary point in space where all lines recede and all objects converge. The use of a horizon line to make objects appear to recede. (MY ANSWER...
Thursday, March 31, 2016 by LOVE

Check my answers for drivers education please!
star*** by my answer 1. When you must handle several hazards at the same time, the best tactic is to (1 point) compromise the hazards. adjust speed to separate the hazards. minimize, then separate the hazards. **** 2. How many zones of space surrounding your vehicle are ...
Thursday, March 31, 2016 by Anonymous

Math
Hello! I am not asking for the answer to this question, I am asking for a step-by-step explanation. Mr. Green band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 9 students who have Mr. Green for...
Thursday, March 31, 2016 by The Philly Inquirer

Please help with drivers education
1. When you must handle several hazards at the same time, the best tactic is to (1 point) compromise the hazards. adjust speed to separate the hazards. minimize, then separate the hazards. minimize, then compromise the hazards. 2. How many zones of space surrounding your ...
Wednesday, March 30, 2016 by Anonymous

science
space craft is heading towards the sun which is located 150,000,000 km. away from earth at a speed of 17,000 km, per hour. what is the approximately to the nearest year how long will it take to arrive at the sun's surface? show work
Tuesday, March 29, 2016 by Anonymous

Chemistry
Write a balanced equation from the following statement: Zinc metal and sulfuric acid are combined to form hydrogen gas and zinc sulfate (Enter the formulas in the order they are listed. Do not leave a space between the coefficient and the formula)
Wednesday, March 23, 2016 by Jackie

math
A digital TV box can store 120 hours of programmes. The average length of different programmes is shown here: .Films=1.5 hours each .Sports=2 and one quarter hours each .Nature=75 minutes each Amy has re orded 12 films,9 sports and 15 nature programmes. She calculates that she...
Wednesday, March 23, 2016 by kiki

Math
About. 7.5 gallons of water filled up 1 cubic foot of space. How many gallons of water will fill a goldfish pool shaped like the prism shown. 3 ft for length 3.5 ft for width 1.5 ft for height
Tuesday, March 22, 2016 by Anonymous

LOCAL STANDARDS AND REGULATIONS
Local, state, and provincial governments may have specific regulations that apply to the physical space in a day care center. A typical requirement in these regulations is a minimum of _______ square feet of usable play space for each child. A. 35 B. 24 C. 10 D. 18
Tuesday, March 22, 2016 by Anonymous

algebra
let V be set of all functions with down R which are such that f(t)=Acost +Bsin t,t c R, where A and B are real numbers. define addition in V by (f+g)(t)=f(t)+g(t) and scalar multiplication by (¥f)(t)=¥(f(t)),¥€R.pro​ve that V is a vector space over R
Tuesday, March 22, 2016 by emmanuel

reading
(1) Scientists generally agree that Earth is getting warmer due to what's called the greenhouse effect. (2) A greenhouse stays warm because sunlight and heat coming through the glass roof are mostly trapped. (3) The heat doesn't radiate back into the atmosphere because...
Sunday, March 20, 2016 by Anonymous

Math
A glass box shaped like a rectangular prism has width of 7 in., length 9 in., and height 12 in. . It is being shipped in a bigger box with width 10 inches, length 10 inches, and height 15 inches. The space between the box and the shipping box will be filled with Styrofoam ...
Friday, March 18, 2016 by A girl with problems.

Math
Alex made a sketch for a homemade soccer goal he plans to build. The goal will be in the shape of a triangular prism. The legs of the right triangles at the sides of his goal measure 4 ft and 8 ft, and the opening along the front is 24 ft. How much space is contained within ...
Monday, March 14, 2016 by Carol

Physics
An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the space station, carrying only a rope and a bag of tools. First he tries to throw a rope to his fellow astronaut, but the rope is too short. In a last ditch effort, the astronaut ...
Saturday, March 12, 2016 by Jacob

math
a string of decorative lights is 28 feet long. The first light on the string is 16 inches from the plug if the lights on the string are space 4inches apart how many lights are there on the string
Thursday, March 10, 2016 by khrishari

Math
Two walls of a rectangle measures 9ft high and 15ft. Long. The other two walls are 8ft. high and 10ft. long. A gallon of paint will cover 440 sq. ft. of wall space. Is there enough paint to cover the walls?
Thursday, March 10, 2016 by Sue

Language
Miracles Walt Whitman, 1819 - 1892 Why, who makes much of a miracle? As to me I know of nothing else but miracles, Whether I walk the streets of Manhattan, Or dart my sight over the roofs of houses toward the sky, Or wade with naked feet along the beach just in the edge of ...
Wednesday, March 9, 2016 by Help!

Physics
Many people mistakenly believe that the astronauts that orbit the Earth are "above gravity". Calculate g for space-shuttle territory, 206 kilometers above the Earth's surface. Earth's mass is 6e24 kg, and its radius is 6.38e6 m (6380 km). Your answer is what ...
Wednesday, March 9, 2016 by Kevin

physics
Consider the hip joint. The bones are normally not in direct contact , but instead are covered with cartilage to reduce friction. The space between them is filled with synovial fluid, which reduces the friction further. Due to this fluid, the coefficient of kinetic friction ...
Tuesday, March 8, 2016 by vanessa

Physics
Consider the hip joint. The bones are normally not in direct contact , but instead are covered with cartilage to reduce friction. The space between them is filled with synovial fluid, which reduces the friction further. Due to this fluid, the coefficient of kinetic friction ...
Tuesday, March 8, 2016 by tom

Physics
Consider the hip joint. The bones are normally not in direct contact , but instead are covered with cartilage to reduce friction. The space between them is filled with synovial fluid, which reduces the friction further. Due to this fluid, the coefficient of kinetic friction ...
Tuesday, March 8, 2016 by tom

8th grade science
I'm not sure what's the correct answer: 9)Which of these characteristics can only be attributed to a wave of red light? A)The energy of the wave travels in the same direction as the wave travels. B)The wave travels by vibrating the particles of the medium at a high ...
Monday, March 7, 2016 by Alexis

math
About 7.5 gallons of water fill up 1 cubic foot of space. How many gallons of water will fill a goldfish pool.
Monday, March 7, 2016 by Hayden Tate

Math
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 wants the words to all be horizontal in...
Monday, March 7, 2016 by clara

Statistics
Hi, I was studying for the math HL exam but I was stuck on Problem 6. I attached it as an image. imgur. com/a/XY874 There's a space because Jiskha does not let me post links.
Sunday, March 6, 2016 by cory

Social Studies
1. Which of the following has made flooding worse in the Koreas? A. lack of tree covers** B. lack of crops C. too many droughts D. too many dams 2. What is the most important agricultural product in Japan and the Koreas? A. corn B. rice** C. soybeans D. wheat 3.In which of the...
Thursday, March 3, 2016 by Lola

Weight Is Force! Science
A space ship has a mass of 9000kg. the space ship is launched from Earth and lands on a distant planet where it has a mass of 390000 N. What is the acceleration of the gravity on this planet?
Thursday, March 3, 2016 by Anonymous

Weight Is Force! Science
A space ship has a mass of 9000kg. The spaceship is launched from the Earth and lands on a distant planet where it has a weighted of 39000 N. What is the acceleration of gravity on this planet?
Thursday, March 3, 2016 by Cheetah Veite

Social Studies
1) In which of the following ways are Japan and South Korea similar? A) they both are peninsulas B) they both are made up of islands C) they both have dry summers D) they both have few mineral resources <----- 2) Which adaptation to Southeast Asia's geography has been ...
Thursday, March 3, 2016 by Sammy

Japan
Which describes a difference between life in Japan and life in the United States? (A) More people in the U.S attend school. (B) Japan's growth is greatly limited by its geographical space. (C) Japanese people must work multiple jobs in order to make ends meet. (D) Many ...
Thursday, March 3, 2016 by Haruhi

Language
Miracles Walt Whitman, 1819 - 1892 Why, who makes much of a miracle? As to me I know of nothing else but miracles, Whether I walk the streets of Manhattan, Or dart my sight over the roofs of houses toward the sky, Or wade with naked feet along the beach just in the edge of the...
Wednesday, March 2, 2016 by Fisher

Geography
which adaptation to southeast asia's geography has been most successful? a)skyscrapers allow everyone to have plenty of space to live and work. b) Earthquake safety alerts have saved many lives during earthquakes <---- c) Terrace farming helps people grow all of the ...
Wednesday, March 2, 2016 by Lola

Geography and Society
What is the primary function of Earth's atmosphere? a. to trap heat from the sun b. to shield the planet from harmful radiation*** c. to disintegrate space debris before it reaches the surface d. all of the above
Tuesday, March 1, 2016 by Kaai97

Social Studies
1) What statement best describes Yokohama? A) Yokohama is an ancient political center B) Yokohama is a rural farming village C) Yokohama is a large, crowded city D) Yokohama is an important mining town 2) What describes a difference between life in japan and life in the United...
Tuesday, March 1, 2016 by Sammy

Language
more facebook twitter tumblr embed poem add to anthology print Miracles Walt Whitman, 1819 - 1892 Why, who makes much of a miracle? As to me I know of nothing else but miracles, Whether I walk the streets of Manhattan, Or dart my sight over the roofs of houses toward the sky, ...
Tuesday, March 1, 2016 by Fisher

Language
more facebook twitter tumblr embed poem add to anthology print Miracles Walt Whitman, 1819 - 1892 Why, who makes much of a miracle? As to me I know of nothing else but miracles, Whether I walk the streets of Manhattan, Or dart my sight over the roofs of houses toward the sky...
Tuesday, March 1, 2016 by Fisher

Calculus help, very confused!!
A fundamental problem in crystallography is the determination of the packing fraction of a crystal lattice, which is the fraction of space occupied by the atoms in the lattice, assuming that the atoms are hard spheres. When the lattice contains exactly two different kinds of ...
Monday, February 29, 2016 by Sam Johnston

physics
help me please. *TRUE or FALSE* 1.the north pole of a permanent magnet is attracted to a south pole 2.iron,aluminum, and nickel are all ferromagnetic materials 3.all permanent magnets are surrounded by a magnetic field 4.the direction of a magnetic field is indicated by the ...
Sunday, February 28, 2016 by Charlene

Language Arts
Why, who makes much of a miracle? As to me I know of nothing else but miracles, Whether I walk the streets of Manhattan, Or dart my sight over the roofs of houses toward the sky, Or wade with naked feet along the beach just in the edge of the water, Or stand under trees in the...
Saturday, February 27, 2016 by Riley

PHYSICS
please.!PLEASe PLEASE. help me. TRUE or FALSE 1.the north pole of a permanent magnet is attracted to a south pole 2.iron,aluminum, and nickel are all ferromagnetic materials 3.all permanent magnets are surrounded by a magnetic field 4.the direction of a magnetic field is ...
Saturday, February 27, 2016 by Clifford

Physics
help me to my homework please.!PLEASe PLEASE. TRUE or FALSE 1.the north pole of a permanent magnet is attracted to a south pole 2.iron,aluminum, and nickel are all ferromagnetic materials 3.all permanent magnets are surrounded by a magnetic field 4.the direction of a magnetic ...
Saturday, February 27, 2016 by Shelle

Language Arts, Ms. Sue please help me!
Why, who makes much of a miracle? As to me I know of nothing else but miracles, Whether I walk the streets of Manhattan, Or dart my sight over the roofs of houses toward the sky, Or wade with naked feet along the beach just in the edge of the water, Or stand under trees in the...
Friday, February 26, 2016 by Anonymous

Math - Help!
The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6) (6,1)|(6,2)|(6,3)|(6,5)|(6...
Friday, February 26, 2016 by Sandy

Physics
anybody help me to my homework please.!thanks TRUE or FALSE 1.the north pole of a permanent magnet is attracted to a south pole 2.iron,aluminum, and nickel are all ferromagnetic materials 3.all permanent magnets are surrounded by a magnetic field 4.the direction of a magnetic ...
Friday, February 26, 2016 by Shelle

One Math
The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6) (6,1)|(6,2)|(6,3)|(6,5)|(6...
Thursday, February 25, 2016 by Sandy

Are all answers right?
The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6) (6,1)|(6,2)|(6,3)|(6,5)|(6...
Thursday, February 25, 2016 by Sandy

Help Math
The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6) (6,1)|(6,2)|(6,3)|(6,5)|(6...
Thursday, February 25, 2016 by Sandy

science
how does high speed space travel affect time?
Wednesday, February 24, 2016 by nani

Mensuration
A floor which measures 15m*8m is to be laid with tiles measuring 50cm by 25 cm. Find the number of tiles required. Further, if a carpet is laid on the floor so that a space of 1m exists between its edges and the edges of the floor, what fraction of the floor is uncovered?
Wednesday, February 24, 2016 by Sunil

Poetry 7 - Check please!
Why, who makes much of a miracle? As to me I know of nothing else but miracles, Whether I walk the streets of Manhattan, Or dart my sight over the roofs of houses toward the sky, Or wade with naked feet along the beach just in the edge of the water, Or stand under trees in the...
Wednesday, February 24, 2016 by Ezra

Language
Miracles Walt Whitman, 1819 - 1892 Why, who makes much of a miracle? As to me I know of nothing else but miracles, Whether I walk the streets of Manhattan, Or dart my sight over the roofs of houses toward the sky, Or wade with naked feet along the beach just in the edge of the...
Wednesday, February 24, 2016 by Tj

Physics
We can physically model the axonal membrane (axolemma) as a parallel plate capacitor with dielectric in it. If the capacitance per unit area in F/m^2 is known, what single additional parameter needs to be measured in order to determine the dielectric constant k of the membrane...
Tuesday, February 23, 2016 by Physics lover

physics
A two-stage rocket moves in space at a constant velocity of 4800 m/s. The two stages are then separated by a small explosive charge placed between them. Immediately after the explosion the velocity of the 1290-kg upper stage is 5600 m/s in the same direction as before the ...
Tuesday, February 23, 2016 by Tara

math
1.) A 2.5 x 2.5 x 2.5 meter hole was dug for the building's foundation. How many cubic meters of soil were dug? 2.) A cubical container is filled with 15,625 cm3 of sand. How long is each edge of the container? 3.) Kendy has 2 cardboard boxes. One has a dimension of ...
Monday, February 22, 2016 by stefi

Physics
A particle moves in three dimensional space as an equation r= (t^2+1.34t)i^+(3.34t-2)j^+(2t^3-4t^2)k^ where is in unit of meter and in second. a.Sketch the path of this particle b.Calculate velocity at t=2 s c.Calculate acceleration at t=2 s
Sunday, February 21, 2016 by Supansa

Physics
A particle moves in three dimensional space as an equation r= (t^2+1.34t)i^+(3.34t-2)j^+(2t^3-4t^2)k^ where is in unit of meter and in second. a.Sketch the path of this particle b.Calculate velocity at c.Calculate acceleration at
Saturday, February 20, 2016 by Supansa

Painting
why did painter meissonier place napoleon at the front and center of this art work? The Walters Art museum Baltimore. A. To show his small size B. To show his central importance C. To show his entire figure D. To make wise use of space•• Correct this that is all I&#...
Friday, February 19, 2016 by Tia

Physics
Electrons in a narrow beam travelling at a steady speed of 5 x 10^7 ms^-1 are directed into the space between two oppositely charged parallel plates 50mm apart. The potential difference between the plates is 2500V. The initial direction of the beam is parallel to the plates. ...
Wednesday, February 17, 2016 by Ben

HELP
answers marked below 1. Which of Earth’s spheres contains most of its mass? (1 point) atmosphere hydrosphere geosphere biosphere 2. Erosion and weathering are examples of which types of forces? (1 point) constructive forces destructive forces gravitational forces inertia-...
Wednesday, February 17, 2016 by BROOKLYN HAYES

physics
At a time when mining asteroids has become feasible, astronauts have connected a line between their 3580-kg space tug and a 6000-kg asteroid. Using their ship's engine, they pull on the asteroid with a force of 490 N. Initially the tug and the asteroid are at rest, 400 m ...
Wednesday, February 17, 2016 by Desi

Physics
A car is behind a truck going 18 m/s on the highway. The car's driver looks for an opportunity to pass, guessing that his car can accelerate at 0.6 m/s2 and that he has to cover the 20-m length of the truck, plus 10-m extra space at the rear of the truck and 10 m more at ...
Saturday, February 13, 2016 by Azel

physics
A capacitor,consisting of two metal plates each of area 50cm2 and space 0.2mm apart in air ,is connected across a 120V supply.Calculate (1)the energy stored..(2)the electric flux density and the potential gradient..
Saturday, February 13, 2016 by jonathan

History
2. In the space below, create a simple time line that traces the emergence of a constitutional monarchy in England during the seventeenth century. It is not necessary to include exact dates, but events should be in the correct order. Include at least eight events that were ...
Friday, February 12, 2016 by Jessica

languege
in what way are miracles and "in just-" different "Miracles" WHY! who makes much of a miracle? As to me, I know of nothing else but miracles, Whether I walk the streets of Manhattan, Or dart my sight over the roofs of houses toward the sky, Or wade with ...
Friday, February 12, 2016 by jjiiddss

Science
1. Which type of eclipse would you expect to see if the moon passes directly between Earth and the sun? (1 point) a solar eclipse a lunar eclipse a total lunar eclipse a penumbra 2. Which of the following statements about a lunar eclipse is true? (1 point) A lunar eclipse can ...
Monday, February 8, 2016 by Mettaton ex

math
Given a room with dimensions 12 feet by 10 feet and is 8 feet tall: Calculate total wall space and total floor space
Monday, February 8, 2016 by ayeshhs

Maths
A hollow cube of internal edge is 22cm is filled with spherical marbles of diameter 0.5cm and it is assumed that 1/8 space of the cube remain unfilled.Then the number of marbles that the cube can accomodate is?
Monday, February 8, 2016 by Princ

Science
List at least three atmospheric properties that might change as you traveled from the Earth's surface to space. Temperature, gases, air pollutants?
Friday, February 5, 2016 by Anonymous

i really need help and i dont ask alot so plzz
I NEED HELP WITH THIS its a TEST: 1. Which of Earth’s spheres contains most of its mass? (1 point) atmosphere hydrosphere geosphere biosphere 2. Erosion and weathering are examples of which types of forces? (1 point) constructive forces destructive forces gravitational ...
Friday, February 5, 2016 by the girl that has no friends

math
A pair of dice is rolled.What is the probability that the sum of the pips is either an even number on a multiple of 3? total number of space is 36.
Thursday, February 4, 2016 by Eric

Statistics
Suppose that in the city in which the survey is conducted, 50% of adults are married, 15% are single, 25% are divorced, and 10% are widowed. a. Assign probabilities to each simple event in the sample space. b. Which approach did you use in part (a)? Find the probabilities of ...
Thursday, February 4, 2016 by XYZ

Social Studies (Check) (Reed)
Describe how and why the suburbs became popular places to live. A: Suburbs became popular places to live as the GI Bill offered low-interest loans, making new housing more affortable during the postwar period than at any other time in American history. They were so popular, in...
Thursday, February 4, 2016 by Victoria

PLEASE CHECK IF THEY ARE CORRECT!!! THANKS
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, February 4, 2016 by Girl with questions.

Social Studies (Check, Please!)
Will someone help me with the first two questions and then check the rest? 1. What were two causes and effects of the economic boom of the 1950s? A: ? 2. How did the television industry affect the U.S. economy? A: ? 3. Describe how and why the suburbs became popular places to ...
Thursday, February 4, 2016 by Victoria

Social Studies (Check, Please!)
Will someone help me with the first two questions and then check the rest? 1. What were two causes and effects of the economic boom of the 1950s? A: ? 2. How did the television industry affect the U.S. economy? A: ? 3. Describe how and why the suburbs became popular places to...
Wednesday, February 3, 2016 by Victoria

Statistics
A survey asks adults to report their marital status. The sample space is S = {single, married, divorced, widowed} . Use set notation to represent the event the adult is not married. This is what I think is the answer Married = {single, divorced, widowed}
Wednesday, February 3, 2016 by XYZ

Math
I have a triangle with equal sides. Then a s cons triangle is put in the middle so I have four triangles. Triangles are continued to be put instead so I have more and more triangles. As more triangles are added in the same space, the size of them are getting smaller. Could you...
Wednesday, February 3, 2016 by Sami

statistics, probability
Consider two events A and B in the same sample space such that P(A)=0.4 and P(B)=0.3. Then A and B are mutually exclusive.
Sunday, January 31, 2016 by Vasya

English
First, identify the gerund in the sentence below. Then, replace the gerund with the infinitive of the same verb. Type the infinitive form of the verb in the space provided. Debbie loved watching the skaters glide around the rink.
Friday, January 29, 2016 by Jae

Physics
On earth, two parts of a space probe weigh 14500 N and 6400 N. These parts are separated by a center-to-center distance of 19 m and may be treated as uniform spherical objects. Find the magnitude of the gravitational force that each part exerts on the other out in space, far ...
Friday, January 29, 2016 by Melanie

Physics (Gravitation)
2. To leave the gravitational field of a planet, a space rocket must be launched at an escape velocity of: ve =r2GM r , where G is the gravitational constant G ¡Ö 6.8¡Á10−11Nm2/kg2, M is the mass of the planet and r is its radius. Suppose ...
Thursday, January 28, 2016 by Sarah

physics
The speed of a space shuttle is 3.2×10^6 cm/s. Convert this into miles per hour (mph) using only 12 inches/ft, 60 seconds/min, 60 minutes/hour, and 1 inch = 2.54 cm. Factor Analysis must be used. Express your result to three significant digits and in scientific notation.
Wednesday, January 27, 2016 by sam

Physics
A 6.80 x 10^4 kg space shuttle moving at 7.90 x 10^4 m/s reenters the earth's atmosphere 80.0 km above the earth's surface. What is the shuttle's total mechanical energy with respect to earth's surface? I know the answer is E= 2.173 x 10^12J But I don't ...
Wednesday, January 27, 2016 by Danny

Math
The inside of a refrigerator is 6 feet tall, 3 feet wide, and 2 feet deep. How many cubic feet of space are inside the refrgerator
Tuesday, January 26, 2016 by Arnijah

U.S. History (Check, Please!)
What was the significance of the Soviet Union's launching of Sputnik in 1957? A: The Soviet Unions's launching of Sputnik in 1957 led Congress to create the National Aeronautics and Space Administration (NASA) to coordinate research in rock science and space ...
Sunday, January 24, 2016 by Victoria

science
A book is on top of a table.Earths gravity exerts a constant force of 15 N on the book.why does the booj not move as a result of this force ? An object is traveling in a straight line in space. No firces are,affecting it. What will happen to the objects motion? Two race cars ...
Sunday, January 24, 2016 by tahani alkhatib

History
10. Many geographers, such as Elder, Knopp, and Nast, refer to theories that explain or inform our understanding of sexuality and space as........ A. queer theory B. heteronormative theory C. gender studies D. spatial theory E. modernization theory A
Saturday, January 23, 2016 by Anonymous

science
Large craters are visible on the moon but not common on the earth's surface. Which of the following is the beady explanation of why large craters are not evident in the earth's surface in photos taken from space. A.three quarters of the earth's surface is covered ...
Saturday, January 23, 2016 by Tessy

Science
A space probe on the surface of Mars sends a radio signal back to earth a distance of 8.66x0^7 km. Radio waves travel at the speed of light (3:00x10^8 m/s . How many seconds does it take the signal to reach earth
Thursday, January 21, 2016 by Sherri

Science
A space probe on the surface of Mars sends a radio signal back to earth a t a distance of 8.66 x10*7 radio waves travel at a speed of light 3.00 x 10^8 . How many seconds does it take for it to reach earth
Thursday, January 21, 2016 by Sherri

social studies
Cattle ranchers are generally found in northern mexico because? There are many cities were beef can be sold. There is a lot of open space for grazing. Cattle thrive in rain forest. There are many sources of water. (MY ANSWER) when this one is responsed I will put some more.
Thursday, January 21, 2016 by LOVE

Science
1.)Check My Answers, please? Which of the following planets is considered a rocky, or terrestrial, planet? A.)Venus **** B.)Neptune C.)Saturn D.)Uranus 2.)Which of the following statements about the beginning of the solar system is true? A.)The planets that formed closest to ...
Wednesday, January 20, 2016 by YRN DJ

Grade 5 math
At soap and suds there are 16 washing machines in a single row with no space between each one.Each washing machine is 75cm across.Wht is the total length of the 16 washing machines in centimeters and meters?
Tuesday, January 19, 2016 by Anonymous

Math
How many tiles of length 8cm breath 5cm are needed to tile a floor of dining space which is 400 cm long and 300 cm wide
Sunday, January 17, 2016 by Anonymous

maths
an engineer is designing a parking lot.The parking lot will have a row 38 parking space long.Each space will take 4 metres.What expression,using distributive property ,can he write to calculate how many metres long the parking area must be?and what will the total length be?
Sunday, January 17, 2016 by thabang

math
A picture is 42 cm by 36 cm. A scale diagram of the picture must fit in a space that is 3 m by 2 m. Write a reasonable scale for the scale diagram.
Friday, January 15, 2016 by Em

  1. Pages:
  2. <<Prev
  3. 1
  4. 2
  5. 3
  6. 4
  7. 5
  8. 6
  9. 7
  10. 8
  11. 9
  12. 10
  13. 11
  14. 12
  15. 13
  16. 14
  17. 15
  18. Next>>

Homework Help: Science