Monday
August 31, 2015

Homework Help: Science: Outer Space

Recent Homework Questions About Outer Space

Statistics
Astronomers treat the number of stars in a given volume of space as a Poisson random variable. The density in the Milky Way Galaxy in the vicinity of our solar system is one star per 16 cubic light years. (a) What is the probability of three or more stars in 16 cubic light ...
Thursday, February 20, 2014 by Ashley

Science
Read an article, and use the article to jump-start your thinking about designing your very own space mission. Think about what you want to explore in the solar system (and why!) and how you might get there. Click on the link below to read the Science NetLinks article “...
Thursday, February 20, 2014 by #1Student

Art- Check Answers- Please
1. This is where an interior designer does most of her work. in a factory at the client's home in an office <<<<<<<<< in a studio 2. When looking at fabrics, an interior designer will focus on these characteristics. shape and form space and color...
Wednesday, February 19, 2014 by Alexia

Art
1. This is where an interior designer does most of her work. in a factory at the client's home in an office <<<<<<<<< in a studio 2. When looking at fabrics, an interior designer will focus on these characteristics. shape and form space and color...
Wednesday, February 19, 2014 by Abby

science
Which statement best describes Newton’s Law of Universal Gravitation? A.Large objects, like Earth and the Sun, attract other objects everywhere in the universe. B.Gravity is a kind of magnetic force between objects and Earth. C.Gravity is the result of the curvature of ...
Monday, February 17, 2014 by victoria

math
Bert wants to make a larger version of a drawing he saw in a magazine. The drawing fits into a square with each side measuring 7 cm. If Bert makes his copy twice the size of the square measured in the original drawing, how much space will it cover on the paper he uses?
Monday, February 17, 2014 by Karla

Math: Probablity
A penny, a nickel, and a dime are flipped at the same time. Each coin can come out either heads (H) or tails (T). a. What name is given to the act of flipping the coins? b. There are eight elements in the sample space (i.e., HHH,THT, etc.). List all eight outcomes. c. How many...
Saturday, February 15, 2014 by Anonymous

ENGLISH
1. Consider this quote: "In each of these historical instances . . . mistrust led to misunderstanding, which led to armed conflict." The ellipsis in this quote is appropriate if A. the omission is longer than 10 words. B. the meaning and spirit of the quote is ...
Friday, February 14, 2014 by Beatrice

Physics
If the electric field is zero everywhere inside a region of space, the potential must also be zero in that region. TRUE or FALSE, WHY?
Thursday, February 13, 2014 by Bano

english part 1
Which of the following best expresses the writer's main idea in “Single Room, Earth View”? A. Space exploration leads to human progress. B. Space travel offers a unique view of Earth. C. Astronauts are highly trained scientists. D. Pollution is endangering Earth.
Thursday, February 13, 2014 by Wahab

physics
1 A passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is NOT true? The passenger is in motion relative to the passer-by The passer-by is stationary relative to the passenger Both ...
Wednesday, February 12, 2014 by nandeve

Physics
A space probe has two engines. Each generates the same amount of force when fired, and the directions of these forces can be independently adjusted. When the engines are fired simultaneously and each applies its force in the same direction, the probe, starting from rest, takes...
Wednesday, February 12, 2014 by Rick

Science
Associate each item in the table with at least one field of science and one area of technology/engineering. Choose from the terms given at the bottom. Automobile aspirin shirt computer pesticide satellite robot atomic bomb vaccination can of soup polyester wrapper skyscraper ...
Tuesday, February 11, 2014 by Roma

statistics
The space shuttle is launched 9 times a year with a break down occurring 1/10 of the time. What is the probability that two randomly selected space shuttles launched 9 times a year and both having accidents occurring in that year?
Monday, February 10, 2014 by Anonymous

physics
passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is NOT true? The passenger is in motion relative to the passer-by The passer-by is stationary relative to the passenger Both observers ...
Sunday, February 9, 2014 by nandeve

probability
PROBLEM 4: PARKING LOT PROBLEM (3 points possible) Mary and Tom park their cars in an empty parking lot with n≥2 consecutive parking spaces (i.e, n spaces in a row, where only one car fits in each space). Mary and Tom pick parking spaces at random. (All pairs of parking ...
Friday, February 7, 2014 by JuanPro

probability
In this problem, you are given descriptions in words of certain events (e.g., "at least one of the events A,B,C occurs"). For each one of these descriptions, identify the correct symbolic description in terms of A,B,C from Events E1-E7 below. Also identify the ...
Friday, February 7, 2014 by JuanPro

math vector
Find the unit tangent vector T(t) and find a set of parametric equations for the line tangent to the space curve at point P. r(t)=ti+t^(2)j+tk, P(0,0,0)
Friday, February 7, 2014 by jay

Itt-Tech
How much space does the dining are take up for an airship assume the mass of the balloon is 1000kg and dining are for 100 quest
Thursday, February 6, 2014 by Bettie

science
Mary and Tom park their cars in an empty parking lot with n >_ 2 consecutive parking spaces (i.e, spaces in a row, where only one car fits in each space). Mary and Tom pick parking spaces at random. (All pairs of parking spaces are equally likely.) What is the probability ...
Thursday, February 6, 2014 by dell

science
Let , , and be disjoint subsets of the sample space. For each one of the following statements, determine whether it is true or false. Note: "False" means "not guaranteed to be true." a) True FalseStatus: unsubmitted b) True FalseStatus: unsubmitted c) True...
Thursday, February 6, 2014 by intel

Math
I am an old number with zero in my tens space. I have a square number less than 9 in my tens of thousands space and half of that in the thousands space. My hundreds digit is 4 more than my tens digit and my ones digit is less than 3.
Wednesday, February 5, 2014 by Aliyah

science
plz any one i am abit confused can you answer these questions thx 05. The space surrounding a charge within which the influence of its charge extends is known as. (a) Electric field (b) Magnetic field (c) Line of force (d) Electric intensity 06. A region around a stationary ...
Tuesday, February 4, 2014 by Sania

Physics
plz any one i am abit confused can you answer these questions thx 05. The space surrounding a charge within which the influence of its charge extends is known as. (a) Electric field (b) Magnetic field (c) Line of force (d) Electric intensity 06. A region around a stationary ...
Tuesday, February 4, 2014 by Sania

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 94.4 ms. How many football fields (length = 91.4 m) does the Space Shuttle cover in the blink of an eye?
Monday, February 3, 2014 by kyle

English
Write the possessive form of the noun in parentheses. 1/ (Estelle) dentist looked at her teeth. Answer: Estelle's 2/ The (dentist) nurse helped him. Answer: dentist's 3/ Her ( mother) car was parked outside. Answer: mother's 4/ her (brother) appointment was next . ...
Sunday, February 2, 2014 by Nawaf

Physics
A 100W incandescent lamp of filament area 45 mm^2, emits all its energy by radiation into the surrounding space of room at 22C. If the filament emissivity is 0.32, find the temperature of the filament?
Sunday, February 2, 2014 by Tsunayoshi

science
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
Thursday, January 30, 2014 by Sania

science
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
Thursday, January 30, 2014 by Sania

Physics
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
Thursday, January 30, 2014 by Sania

Science
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
Thursday, January 30, 2014 by Sania

Physics
What is the net force exerted by these two charges on a third charge q 3 = 45.0nC placed between q 1 and q 2 at x 3 = -1.145m ? Your answer may be positive or negative, depending on the direction of the force. Express your answer numerically in newtons to three significant ...
Monday, January 27, 2014 by James

gifted talented science
pls, help! this is hard and confusing! 1. How does runoff affect a community? (1 point) Runoff can supply new homes and businesses with the water that they need. Runoff can provide the water that fish in streams and lakes rely on. Runoff can prevent streams and lakes from ...
Monday, January 27, 2014 by TTR+S<3

Physics
A 1.25kg book in space has a weight of 8.35N. What is the value of the gravitational field at that location ?
Thursday, January 23, 2014 by Sandara

geometry
A cylinder has a height of 16 cm and a radius of 5 cm. A cone has a height of 12 cm and a radius of 4 cm. If the cone is placed inside the cylinder as shown, what is the volume of the air space surrounding the cone inside the cylinder? (Use 3.14 as an approximation of π.)
Thursday, January 23, 2014 by jason

business
Tim Urban, owner/manager of Urban's Motor Court in Key West, is considering outsourcing the daily room cleanup for his motel to Duffy's Maid Service. Tim rents an average of 50 rooms for each of 365 nights (365 X 50 equals the total rooms rented for the year(. Tim'...
Wednesday, January 22, 2014 by tim

science help plzzz
Multiple Choice 1. Which of Earth's spheres contains mountains, valleys, and other landscapes? (1 point) atmosphere biosphere geosphere hydrosphere 2. Which of the following are examples of destructive forces? (1 point) ice wind both ice and wind neither ice nor wind 3. ...
Wednesday, January 22, 2014 by josh

Science
Can someone please please help me? I don't have a text book, i have a online book and it isn't working. Can someone please be nice and help me? Science isn't my subject! 1. Why is Earth’s temperature just right for life? (1 point) Earth’s core is hot ...
Tuesday, January 21, 2014 by Mandy

Physics-forces
1. NASA launched a 550kg satellite into space. Its engines have a thrust of 8000N. a) What is the downward froce of gravity acting on the rocket at blast off? (is it 5390N?) b) What is the acceleration of the rocket at blast-off? (Hint: Fine Fnet first) 2. A planet has a mass ...
Monday, January 20, 2014 by Diane

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...
Sunday, January 19, 2014 by anonymous

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...
Sunday, January 19, 2014 by anonymous

physics- multiple choice
1. A transport truck pulls on a trailer with a force of 600N [E]. The trailer pulls on the transport truck with a force a) of zero b) of less than 600 N is the truck is slowing down c) equal to 600 N only if the truck is moving at constant velocity d) equal to 600 N no matter ...
Sunday, January 19, 2014 by Diane

science
The Australian grass tree, from the genus Xanthorrhoea in the lily family, grows to a height of about 4.5 m, bears long narrow leaves in a tuft at the top of the trunk, and produces yellow or white flowers in a spike above the leaves. A yellow-flowered tree was self-crossed. ...
Saturday, January 18, 2014 by jiskhaweekend

statistics
A lottery uses 4 urns containing chips 0 to 9. One chip is selected at random from each urn. How many sample points are in the sample space?
Saturday, January 18, 2014 by betty

social studies(CHECK ANSWERS PLEASE)
please check these answers please 1. Which region of Mexico are sinkhole most likely to be found? A. Mexico plateau B.Baja California C.sonoran desert D.Yucatan peninsula(I PICK THIS) 2.what effect does altitude have on Mexico's climate? A. as altitude decreases, the ...
Friday, January 17, 2014 by Matt

social studies
please can someone answer these there destroying me !!! 1. Which region of Mexico are sinkhole most likely to be found? A. Mexico plateau B.Baja California C.sonoran desert D.Yucatan peninsula 2.what effect does altitude have on Mexico's climate? A. as altitude decreases, ...
Friday, January 17, 2014 by Matt

social studies
I provided my answers and if they are wrong can you correct them?i know nothing about this subject..thanks 1. Which region of Mexico are sinkhole most likely to be found? A. Mexico plateau B.Baja California C.sonoran desert(I PICK THIS) D.Yucatan peninsula 2.what effect does ...
Friday, January 17, 2014 by Matt

Physics
A 13 kg asteroid is traveling through space with velocity v = 110 m/s when it breaks up into three equal pieces. One piece is left at rest, and a second one continues with same velocity. What was the energy of the explosion?
Wednesday, January 15, 2014 by Susan

science
1.Which type of eclipse would you expect to see if the moon passes directly between Earth and the sun? -a solar eclipse -a lunar eclipse -a total lunar eclipse -a penumbra 2.Which of the following statements about a lunar eclipse is true? -A lunar eclipse can occur when the ...
Wednesday, January 15, 2014 by Courtney

Science
1.Which type of eclipse would you expect to see if the moon passes directly between Earth and the sun? -a solar eclipse -a lunar eclipse -a total lunar eclipse -a penumbra 2.Which of the following statements about a lunar eclipse is true? -A lunar eclipse can occur when the ...
Wednesday, January 15, 2014 by Jasmine

Math #rd grade
Bryan has 3 nickels, 3 dimes, and 2 quarters. What fraction of the coins is either a dime or a quarter? There is a space for only 1 fraction answer.
Tuesday, January 14, 2014 by Grace

Algebra
The town is organizing a Fourth of July parade. There will be two sizes of floats in the parade (30 ft and 15 ft). A space of 10 ft will be left after each float. A. The parade must be at least 150 ft long, but less than 200 ft long. What combinations of large and small floats...
Monday, January 13, 2014 by Anonymous

geometry
abcd is a square picture frame. efgh is a square inscribed within abcd as a space for a picture. the area of efgh (for the picture) is equal to the area of the picture frame (the area of abcd minus the area of efgh). if AB=6, what is the length of EF
Friday, January 10, 2014 by michelle

history
6. The only country in Southeast Asia to maintain its independence was A. Cambodia. B. Siam. C. Vietnam. D. Java. 7. While imprisoned, Hitler wrote Mein Kampf. In this work, he laid out his views on all the following, except A. an alliance with Italy. B. Germany's need ...
Thursday, January 9, 2014 by Anonymous

science
write T if the statement is true or F if it is false. a.)All the planets travel around the sun at the same speed.my answer is T. b.)The sun's gravity keeps the planets in orbit around it. my answer is F. c.)There is an asteroid belt between Jupiter and Saturn.my answer is ...
Thursday, January 9, 2014 by Anonymous

english 11
In which sentence is the underlined phrase a prepositional phrase functioning as an adjective? My sister was born in Chicago. She went to boarding school in Coventry. My sister moved away in 2009. Her grades gave my sister a place in the top rank of her class. 7. Read the ...
Tuesday, January 7, 2014 by lacey

english 11
In which sentence is the underlined phrase a prepositional phrase functioning as an adjective? My sister was born in Chicago. She went to boarding school in Coventry. My sister moved away in 2009. Her grades gave my sister a place in the top rank of her class. 7. Read the ...
Tuesday, January 7, 2014 by lacey

Physics help quick!
22. What does it mean for a force to act in accordance with an inverse square law? The square of the force is inversely proportional to the distance. The force decreases if the distance increases. The force is directly proportional to 1/r2 where r is the distance. The force is...
Tuesday, January 7, 2014 by Anonymous

Science check answer quick!
I really do not understand Number 7 Which of these does Newton's law of universal gravitation imply? (Points : 1) The force of gravity between two objects is inversely proportional to the product of the two masses. <-- Earth's gravity acts on people inside a space ...
Tuesday, January 7, 2014 by Gianna

Science 1 question....
What are the social benefits that traveling into space has for modern society?
Monday, January 6, 2014 by Princess Anna

S.S.
4.What can you infer about what Lewis and Clark saw as they moved west from the Mississippi River. -the land on the east coast was more fertile than the land in the west. -the landscape rose sharply and then flattened as they went farther west. -the Mississippi river was ...
Sunday, January 5, 2014 by Jordan

chemistry
Calculate the uncertainty in speed of an electron if its position in space is known within the range of ±2pm. Assume me = 9×(10^-31) kg
Thursday, January 2, 2014 by help me

math
in some cars the rear seat folds down to add more space. Often this split is a 60:40 split. If the rear seat is 60 inches wide, how wide are the two parts?
Wednesday, January 1, 2014 by AAron

Science
Why would people need to travel to the moon? what data do they collect on the moon? I am doing a space project, I choose the moon, but I don't know why I would travel there.....
Sunday, December 29, 2013 by Princess Anna

Physics
The shuttle must perform the de-orbit burn to change its orbit so that the perigee, the point in the orbit closest to Earth, is inside of Earth's atmosphere. De-orbit maneuvers are done to lower the perigee of the orbit to 60 miles (or less). An altitude of 60 miles is ...
Thursday, December 26, 2013 by Cloud

Physics
The shuttle must perform the de-orbit burn to change its orbit so that the perigee, the point in the orbit closest to Earth, is inside of Earth's atmosphere. De-orbit maneuvers are done to lower the perigee of the orbit to 60 miles (or less). An altitude of 60 miles is ...
Thursday, December 26, 2013 by Cloud

math
in some cars the rear seat folds down to add more space. sometimes this split is a 70:30 split. If the rear seat is 50 inches wide, how wide are the two parts?
Tuesday, December 24, 2013 by Shohanur

math
in some cars the rear seat folds down to add more space. Often this split is a 60:40 split. If the rear seat is 60 inches wide, how wide are the two parts?
Tuesday, December 24, 2013 by Shohanur

physics
Severed particles act on each other although seperated by time and space. What is the relation between dark matter and the effect on the particles when exposed to neutron bombardment?
Tuesday, December 24, 2013 by bill zee

Physics
A proposed space station includes living quarters in a circular ring 46.5 m in diameter. At what angular speed should the ring rotate so the occupants feel that they have the same weight as they do on Earth?
Tuesday, December 24, 2013 by Daniel

physics
A rock is moving through interstellar space towards a snow ball. Describe the motion of the rock until it hits the snow ball (in terms of Newton’s First Law). According to Newton’s 3rd Law, what will be the reaction to the force of the rock on the snow ball? How ...
Wednesday, December 18, 2013 by Anonymous

Magnetism
A circular wire loop of mass M and radius R carries a current I. It hangs from a hinge that allows it to swing in the direction perpendicular to the plane of the loop. A uniform magnetic field B exists everywhere in space pointing upwards. What angle θ does the plane of ...
Wednesday, December 18, 2013 by Colin

physics
A 61.3 kg astronaut is on a space walk when the tether line to the shuttle breaks. The astronaut is able to throw a 11.0 kg oxygen tank in a direction away from the shuttle with a speed of 10.6 m/s, propelling the astronaut back to the shuttle. Assuming that the astronaut ...
Wednesday, December 18, 2013 by joe

physics and magnets
A circular wire loop of mass M and radius R carries a current I . It hangs from a hinge that allows it to swing in the direction perpendicular to the plane of the loop. A uniform magnetic field B exists everywhere in space pointing upwards. What angle theta does the plane of ...
Wednesday, December 18, 2013 by Anton

PHYSICS
A circular wire loop of mass M and radius R carries a current I . It hangs from a hinge that allows it to swing in the direction perpendicular to the plane of the loop. A uniform magnetic field B exists everywhere in space pointing upwards. What angle THETA does the plane of ...
Tuesday, December 17, 2013 by anton

physics
A circular wire loop of mass M and radius R carries a current I . It hangs from a hinge that allows it to swing in the direction perpendicular to the plane of the loop. A uniform magnetic field B exists everywhere in space pointing upwards. What angle THETA does the plane of ...
Tuesday, December 17, 2013 by anton

PHYSICS PLS HELP
A circular wire loop of mass M and radius R carries a current I . It hangs from a hinge that allows it to swing in the direction perpendicular to the plane of the loop. A uniform magnetic field B exists everywhere in space pointing upwards. What angle theta does the plane of ...
Tuesday, December 17, 2013 by Lora

statistics-PLEASE HELP quick
A family has four children and we assume that births occur with equal frequency for both sexes. Construct a sample space for all possible family arrangements allowing for order of birth to count. a) How many different arrangements are possible? b)find P (three are boys)= c)...
Monday, December 16, 2013 by Amy

PHYSICS
A circular wire loop of mass and radius carries a current . It hangs from a hinge that allows it to swing in the direction perpendicular to the plane of the loop. A uniform magnetic field exists everywhere in space pointing upwards. What angle does the plane of the loop make ...
Monday, December 16, 2013 by RAMA

college Algebra
Use matrix methods to solve the problem. To use space effectively, librarians like to fill shelves completely. One 105-inch shelf can hold 3 dictionaries, 5 atlases, and 1 thesaurus; or 6 dictionaries and 2 thesauruses; or 2 dictionaries, 4 atlases, and 3 thesauruses. How wide...
Friday, December 13, 2013 by Dee

Early Childhood Education
A disadvantage of large group times is: A. language is enjoyed as a group. B. children develop an understanding of being a group member. C. the difficulty of having intimate conversations. D. they are often seen as sharing times. In a study about kindergarten readiness, which ...
Wednesday, December 11, 2013 by Sammy

Algebra 1
The minimum recommended width of the space between 6-inch by 6-inch tiles is 2^-2 inch and the maximum recommended width is 2^-1 inch. Simplify the expressions for the minimum and maximum widths of the space between the 6-inch by 6-inch floor tiles.
Monday, December 9, 2013 by Anonymous

Algebra 1
The minimum recommended width of the space between 6-inch by 6-inch tiles is 2^-2 inch and the maximum recommended width is 2^-1 inch. Simplify the expressions for the minimum and maximum widths of the space between the 6-inch by 6-inch floor tiles. I got 1/3 inch is is ...
Monday, December 9, 2013 by Aaron

Science--HELP!!
1. In which of the following situations is a sound wave most likely to travel through air? A) An alarm clock rings in a vacuum. B) A giant star explodes. C) A grasshopper eats a leaf. D) An astronaut uses tools in space. 2. Which of the following factors determines the ...
Monday, December 9, 2013 by Jasmine

physicS IMP PLS
Consider a rocket in space that ejects burned fuel at a speed of Vex = 1.5 km/s with respect to the rocket. The rocket burns 5% of its mass in 280 seconds. (a) What is the speed V of the rocket after a burn time of 140 seconds (in m/s)? (b) What is the instantaneous ...
Monday, December 9, 2013 by Hil

physics Classical Mechanics
Consider a rocket in space that ejects burned fuel at a speed of vex= 1.5 km/s with respect to the rocket. The rocket burns 8 % of its mass in 280 s (assume the burn rate is constant). (a) What is the speed v of the rocket after a burn time of 140.0 s? (suppose that the rocket...
Sunday, December 8, 2013 by Andy

Phisics (Urgent)!!!!!!!!!!!!!!!!!!!!!!
Consider a rocket in space that ejects burned fuel at a speed of vex= 1.5 km/s with respect to the rocket. The rocket burns 8 % of its mass in 280 s (assume the burn rate is constant). (a) What is the speed v of the rocket after a burn time of 140.0 s? (suppose that the rocket...
Sunday, December 8, 2013 by Anonimus

PHYSICS(elena)
Consider a rocket in space that ejects burned fuel at a speed of vex= 1.5 km/s with respect to the rocket. The rocket burns 8 % of its mass in 280 s (assume the burn rate is constant). (a) What is the speed v of the rocket after a burn time of 140.0 s? (suppose that the rocket...
Sunday, December 8, 2013 by Anonymous

PHYSICS IMP PLS
Consider a rocket in space that ejects burned fuel at a speed of v_ex= 2.0 km/s with respect to the rocket. The rocket burns 10 % of its mass in 290 s (assume the burn rate is constant). (a) What is the speed of the rocket after a burn time of 145.0 s? (suppose that the rocket...
Sunday, December 8, 2013 by ROMA

Physics
Consider a rocket in space that ejects burned fuel at a speed of vex= 2.0 km/s with respect to the rocket. The rocket burns 8 % of its mass in 300 s (assume the burn rate is constant). (a) What is the speed v of the rocket after a burn time of 150.0 s? (suppose that the rocket...
Friday, December 6, 2013 by KS

physics
Consider a rocket in space that ejects burned fuel at a speed of vex= 2.0 km/s with respect to the rocket. The rocket burns 10 % of its mass in 340 s (assume the burn rate is constant). (a) What is the speed v of the rocket after a burn time of 170.0 s? (suppose that the ...
Friday, December 6, 2013 by anonymous

Classical Mechanics Physics
Consider a rocket in space that ejects burned fuel at a speed of vex= 1.5 km/s with respect to the rocket. The rocket burns 6 % of its mass in 310 s (assume the burn rate is constant). (a) What is the speed v of the rocket after a burn time of 155.0 s? (suppose that the rocket...
Friday, December 6, 2013 by Anonymous

physic
Consider a rocket in space that ejects burned fuel at a speed of 1.5 km/s with respect to the rocket. The rocket burns 9 % of its mass in 310 s (assume the burn rate is constant). (a) What is the speed of the rocket after a burn time of 155.0 s? (suppose that the rocket starts...
Friday, December 6, 2013 by juanpro

Science ASAP
How does the C horizon form? A) color and chemistry B) texture and pure space C) decayed organic matter D) oil
Friday, December 6, 2013 by Mileena

programming logic
The No Interest Credit Company provides zero-interest loans to customers. (It makes a profi t by selling advertising space in its monthly statements and selling its customer lists.) Design an application that gets customer account data that includes an account number, customer...
Thursday, December 5, 2013 by carl

space
For NY what is the maximum altitude of the sun on March,June,Sept.,Dec. 21
Monday, December 2, 2013 by makenna

physics
On Earth a baseball player can hit a ball 120 m by giving it an initial angle of 45° to the horizontal. Take the acceleration due to gravity as g=10 ms^-2 Suppose the batter repeats this exercise in a space 'habitat' that has the form of a circular cylinder of ...
Monday, December 2, 2013 by Yasin

maths probability
Consider an experiment with four possible outcomes which we denote by Wi for i = 1,2,3,4. Sample space is Omega = {w1,w2,w3,w4}. Consider events A= {w1}, B = {w1,w2}, C = {w1,w2,w3} and D = {w2,w4}. Given that P(A) = 1/10, P(B) = 1/2, P(C) = 7/10, compute P(D)
Thursday, November 28, 2013 by Jessica

communicate
consider an artifact that is prominently displayed by a friend or co-worker - either at home or in some other space. In 1-2 paragraphs, explain how this artifact has influenced your interpretation of this person's identity. Is your perception more positive or negative ...
Monday, November 25, 2013 by john

waste water treatment
Wastewater from a small town is treated in a trickling filter which is preceeded by a screen, sand-removal and primary clarification. The maximum hydraulic capacity, or peak flow, of the treatment plant is 1,500 m3/h. The dry weather flow (Qdwf) amounts 7,500 m3/day, with a ...
Monday, November 25, 2013 by Nilu

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Homework Help: Science

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