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August 2, 2014

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

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Alegbra
Mary has a total of $5000 invested in two accounts. One account pays 5% and the other 8%. Her interest in the first year was $331. Write and solve a system of equations to find out how much she has invested in both accounts.
Sunday, March 2, 2014 at 8:43pm

business
i need help with this essay can someone help its for paralegal studies introduction to computers. Prepare and submit a proposal to Bill that gives your suggested solution to his business plan. Provide Bill with the details of what he needs to purchase in order to have what he ...
Sunday, March 2, 2014 at 4:30pm

education
prepare and submit a proposal to bill that gives your suggested solution to his business plan. provide bill with the details of what he needs to purchase in order to have what he needs to conduct his business using today's technology, make sure you include the following ...
Sunday, March 2, 2014 at 3:50pm

math
Determine the number of solutions for the following system of equations 2x+5y=7 10y=-4x+14 1)Exactly one solution 2)No solutions 3)infinite solutions 4)Exactly 2 solutions I solved the equations and got y=7-2X/5 y=-4X+14/10 and I said infinite solutions. Is that correct?
Sunday, March 2, 2014 at 2:41pm

mat 116
identify the solution(s)of the system of equations, if any -2x-4y=1 and 12y=-6x-3
Sunday, March 2, 2014 at 9:04am

mat116
consider the following system of equations y=3x-7 andy-3x=5 what can you conclude about the system of equations
Sunday, March 2, 2014 at 9:03am

structural design
ASHI standards require a home inspector to identify and describe the type of structure and materials of construction before A. testing systems scientifically. B. evaluating each system. C. establishing value. D. reporting remaining usefulness.
Saturday, March 1, 2014 at 6:49pm

philosophy (john dewey)
The expected outcome or pattern of Developed Standards of "Rules of Conduct", "Moral Training" and "School Organizations" served to meet the national demands. What is the problem with this being upheld in our educational system?
Saturday, March 1, 2014 at 6:45pm

chemistry
Hello, a few questions: Thanks so much! 1. The heat capacities of titanium and water are 0.522 J g-1 K-1 and 4.184 J g-1 K-1, respectively. What is the final temperature of the titanium-water mixture if a 175.0-g sample of titanium, initially at 90.0oC, is added to 50.0 g of ...
Saturday, March 1, 2014 at 3:51pm

Algebra 1
2x-4y=32 2x-8y=48 Find the solution of this system of equations.
Friday, February 28, 2014 at 11:49pm

science
4. a scientist exams a sample of an object from the solar system . there is evidence that the object included ice . the sample most likely comes from a(n) ( 1point ) a . Asteroid b. comet c dwarf planet d meteroroid
Friday, February 28, 2014 at 9:34pm

Biology
Which of the following is correctly matched with its tissue system? cortex/dermal tissue system cuticle/vascular tissue system phloem/dermal tissue system stele/vascular tissue system>>>> my choosen answer
Friday, February 28, 2014 at 9:00pm

thermodinamics
2. A sample of an ideal gas underwent an expansion against a constant external pressure of 1.0 bar from 1.0 m3, 20.0 bar, and 273 K to 100.0 m3, 1.0 bar, and 273 K. What is the work done by the system on the surroundings
Friday, February 28, 2014 at 5:22pm

Mechanics
A light inextensible string, which passes over a fixed smooth peg A, is fastened at one end to a small ring R of mass 0.1kg and at the other end to a particle P of mass 0.3kg. The ring is threaded on a fixed rough vertical wire and the system rests in equilibrium with the part...
Friday, February 28, 2014 at 2:59pm

hardware
Difference between disk operating system and windows operating system?
Friday, February 28, 2014 at 5:31am

operating system
What is the difference between MsDOS and Ms WINDOWS?
Friday, February 28, 2014 at 5:25am

Physics
1. Two blocks on a frictionless horizontal surface are connected by a light string. where m1 = 6.21 kg and m2 = 19.5 kg. A force of 48.4 N 6.21kg --T-- 19.5kg ----->48.4 N The acceleration of gravity is 9.8 m/s^2. Find the acceleration of the system. Answer in units of m/s^...
Thursday, February 27, 2014 at 2:51am

Alegbra
. Rachel has 15 coins with a value of $2.85. If the coins are either dimes or quarters, how many of each coin does she have? Write and solve using a system of equations.
Thursday, February 27, 2014 at 1:32am

Alegbra
A desk and a chair cost $200 as a set. If the desk costs four times more than the chair, how much does each one cost. Write and solve using a system of equations.
Thursday, February 27, 2014 at 1:32am

Alegbra
The length of a pool is 3 feet more than twice its width. If the perimeter of the pool is 72 feet, find the dimensions of the pool by writing and solving a system of equations.
Thursday, February 27, 2014 at 1:31am

Alegbra
Mary has a total of $5000 invested in two accounts. One account pays 5% and the other 8%. Her interest in the first year was $331. Write and solve a system of equations to find out how much she has invested in both accounts.
Thursday, February 27, 2014 at 1:30am

Alegbra
The sum of two numbers is 30 and their difference is 2. Find the two numbers by writing and solving a system of equations.
Thursday, February 27, 2014 at 1:28am

algebra
A desk and a chair cost $200 as a set. If the desk costs four times more than the chair, how much does each one cost. Write and solve using a system of equations.
Wednesday, February 26, 2014 at 9:18pm

Math
Why animals and plants are found on earth but are not on other planets of the solar system? Please ,,help me
Wednesday, February 26, 2014 at 12:11pm

chemistry
at an equilibrium mixture of PCl5, PCl3, and Cl2 has partial pressures of 217.0 Torr, 13.2 Torr and 13.2 Torr respectively. a quantity of Cl2 is injected into the mixture, and the total pressure jumps to 263.0 Torr (at the moment of mixing). the system then re-equilibrates. ...
Wednesday, February 26, 2014 at 5:14am

social studies
In 1846, the population of San Francisco, California, was only 200. By 1852, the city's population was 36,000. Which contributed the most to San Francisco's population change? (5 points) The Gold Rush The Mexican-American War The Monroe Doctrine The Trail of Tears 2. ...
Tuesday, February 25, 2014 at 7:04pm

Science help ms sue.
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&#...
Tuesday, February 25, 2014 at 6:14pm

social studies(updated answers)
8.Which region of Mexico is best for growing crops? A.Baja California B.Southern Mexico Plateau (I PICK THIS) C.Yucatán D.Northwestern Mexico 9.Like the United States, the government of Mexico is A.breaking away from a one-party system. B.an established dictatorship. C....
Tuesday, February 25, 2014 at 1:29pm

science
which of the following body systems does NOT rely on the autonomic nervous system to stimulate involuntary events? A. Skeletal System B. Digestive System C. Circulatory System D. Respiratory System
Tuesday, February 25, 2014 at 1:22pm

social studies(updated answers)
mrs.sue i never got to put my updated answers from when you said they were wrong so here they are please check them. 5.Mexico City was built by the A.Olmecs, when they began to grow maize. B.Maya, after they conquered the Valley of Mexico. C.Spanish, on the ruins of the Aztec ...
Tuesday, February 25, 2014 at 1:13pm

physics
Two spheres are mounted on identical horizontal springs and rest on a frictionless table, as in the drawing. When the spheres are uncharged, the spacing between them is 0.05 m, and the springs are unstrained. When each sphere has a charge of +1.6 £gC, the spacing doubles...
Tuesday, February 25, 2014 at 12:07pm

chemistry
at an equilibrium mixture of PCl5, PCl3, and Cl2 has partial pressures of 217.0 Torr, 13.2 Torr and 13.2 Torr respectively. a quantity of Cl2 is injected into the mixture, and the total pressure jumps to 263.0 Torr (at the moment of mixing). the system then re-equilibrates. ...
Tuesday, February 25, 2014 at 6:42am

social studies
Describe the apportionment system for state legislative districts.
Monday, February 24, 2014 at 9:26am

social studies
In 1846, the population of San Francisco, California, was only 200. By 1852, the city's population was 36,000. Which contributed the most to San Francisco's population change?  (5 points) The Gold Rush The Mexican-American War The Monroe Doctrine The Trail ...
Sunday, February 23, 2014 at 6:14pm

U.S History - Pls check my answer :)
Document A: It is impossible that the allied powers should extend their political system to any portion of either continent without endangering our peace and happiness; nor can anyone believe that our southern brethren, if left to themselves, would adopt it of their own accord...
Sunday, February 23, 2014 at 5:14pm

college math
Acrosonic manufactures a model G loudspeaker system in Plants I and II. The output at Plant I is at most 800/month, and the output at Plant II is at most 600/month. Model G loudspeaker systems are also shipped to the three warehouses—A, B, and C—whose minimum monthly...
Sunday, February 23, 2014 at 2:37pm

Chemistry - check answers
Can someone please check my answers and make sure they're correct? A) How much heat would it take to raise the temperature of 46.0 g of water from 90.0 to 100.0 C? Answer using correct sig figs, sign, and units. My answer: +1.92x10^3 J B) How many joules are released when ...
Sunday, February 23, 2014 at 10:53am

Physics
A 1.34‒kg ball is attached to a rigid vertical rod by means of two massless strings each 1.70 m long. The strings are attached to the rod at points 1.70 m apart. The system is rotating about the axis of the rod, both strings being taut and forming an equilateral triangle...
Sunday, February 23, 2014 at 2:42am

college math HELP!!!!!
Acrosonic manufactures a model G loudspeaker system in Plants I and II. The output at Plant I is at most 800/month, and the output at Plant II is at most 600/month. Model G loudspeaker systems are also shipped to the three warehouses—A, B, and C—whose minimum monthly...
Saturday, February 22, 2014 at 7:11pm

Algebra
Solve the following system of equations by the elimination method. 1/3x+1/4y=7 1/3x-3/4y=-9 a)The solution is___?(Type an ordered pair. Use integers or fractions for any numbers in the expression) b)Infinitely many solutions c)No solution
Saturday, February 22, 2014 at 3:46pm

Physics
Consider a car is heading down a 5.5° slope (one that makes an angle of 5.5° with the horizontal) under the following road conditions. You may assume that the weight of the car is evenly distributed on all four tires and that the coefficient of static friction is ...
Friday, February 21, 2014 at 8:42pm

Physics
A string going over a massless frictionless pulley connects two blocks of masses 6.4 kg and 13 kg. As shown on the picture below, the 6.4 kg block lies on a 32◦ incline; the coefficient of kinetic friction between the block and the incline is μ= 0.3. The 13 kg block...
Friday, February 21, 2014 at 8:36pm

Physics
1. Two blocks on a frictionless horizontal surface are connected by a light string. The acceleration of gravity is 9.8 m/s^2. Find the acceleration of the system. Answer in units of m/s^2. 2. What is the tension in the string between the blocks? Answer in units of N. 3. If ...
Friday, February 21, 2014 at 8:09pm

history
What was the role of civil service examinations in Ming China? does anyone have any idea what the answer could be. I was looking on the internet and found this- --The civil service examination system, a an effective cultural, social, political, and educational construction ...
Friday, February 21, 2014 at 6:49pm

physics
Three blocks on a frictionless horizontal surface are in contact with each other. A force F is applied to block A and the blocks start to slide to the right of their initial position. Determine the acceleration of the system, if m_A = 12 kg, m_B = 38 kg, m_C = 4700 g, and F = ...
Friday, February 21, 2014 at 1:12pm

Chemistry
For the reaction given, the value of the equilibrium of the constant at 400 K is 7.0. Br2(g)+ Cl2(g)=2BrCl(g) Does the: Reaction proceed to the left? Reaction proceed to the right? Partial pressure represent a system in an equation?
Friday, February 21, 2014 at 10:44am

Science
An electric eel can generate a voltage of 600V across its body. The eel does this via a system of up to 6000 “electroplaques” inside its body. What is the average strength of the electric field in V/m inside the body of a 10cm wide eel?
Friday, February 21, 2014 at 5:50am

math
the school bands sells carnations on Valentine's day for $2 each. They buy the carnations from a florist for $0.50 each , plus $16 delivery charge . how will i put this in a system of equation .
Friday, February 21, 2014 at 12:22am

Language Arts-check answer-
The article is at the bottom for this question: Skim the article “Cruise Control” to find the name of the bumper sticker service found in Arlington, Texas. a) 1-866-2TELLMOM b) 800-4-MYTEEN ******** c) Big Mother d) Dad’s Eyes Anne Rekerdres likes to call "...
Thursday, February 20, 2014 at 11:00pm

algebra
The equation y-100x=2000 can be used to represent monthly salary of a salary of a salesman ,y when he sells x computer system what is the salesman monthly salary if he sells no computer. Answers are 20, 100, 2000, 2100 thank you
Thursday, February 20, 2014 at 10:13pm

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 at 8:16pm

Science
Which of the following body systems does not rely on the autonomic nervous system to simulate involuntary events? A. skeletal system B. digestive system C. circulatory system D. respiratory system A
Thursday, February 20, 2014 at 5:22pm

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 at 5:09pm

Science
Which of the following body systems has a component that stops functioning and leads to diabetes? A) endocrine system B) digestive system C) circulatory system D) nervous system A
Thursday, February 20, 2014 at 3:47pm

Science
Which of the following body systems does not rely on the autonomic nervous system to simulate involuntary events? A. skeletal system B. digestive system C. circulatory system D. respiratory system A
Thursday, February 20, 2014 at 2:14pm

Science
Which of these structures relies on the circulatory system to transport the chemical compounds that it makes to the other body structures? a- neuron b- salivary gland c- sweat gland d- pituitary gland I think it is the pituitary gland?
Thursday, February 20, 2014 at 1:53pm

Physics
A student performs a ballistic pendulum experiment using an apparatus similar to that shown in the figure. Initially the bullet is fired at the block while the block is at rest (at its lowest swing point). After the bullet hits the block, the block rises to its highest ...
Thursday, February 20, 2014 at 2:28am

Physics
I only need help with part B. A 250W computer power supply is on 10 h per day. Part A If the cost of electricity is $0.15/kWh, what is the energy cost (to the nearest dollar) if this computer is used like this for a year (365 days)? 140 dollars Part B If this power supply is ...
Wednesday, February 19, 2014 at 11:16pm

Quick math help please!!!
Can someone show me the right answer to this system? Because I got a decimal but I don't know if that's right! 1. -2x+7y=-19 9x+7y=-30
Wednesday, February 19, 2014 at 9:49pm

Math
Can someone show me the right answer to this system? Because I got a decimal but I don't know if that's right! 1. -2x+7y=-19 9x+7y=-30
Wednesday, February 19, 2014 at 8:09pm

algebra
Need help doing a test change the test equation y-100x=2000can be used to represent monthly salary of a salesman when he sells x computer system what is the salesman monthly salary if he sells no computer
Wednesday, February 19, 2014 at 7:41pm

Math help
How would I solve this system? Y=-3 Y=x+1
Wednesday, February 19, 2014 at 5:56pm

Math ~ Check Answers ~
A system of linear equations is shown below. 5X = 3y - 2 y = X + 4 What is the x -coordinate of the solution? a.) 2 b.) 4 ***** c.) 5 d.) 1 Jean needs to graph the function below. y = 7x ^2 + 8x -6 How many times should the graph of this function intersect the x-axis? a.) 3 b...
Wednesday, February 19, 2014 at 1:11pm

socialstudies(CHECK ANSWERS)
5. Mexico City was built by the A.Olmecs, when they began to grow maize. B.Maya, after they conquered the Valley of Mexico. C.Spanish, on the ruins of the Aztec capital. (I PICK THIS) D.Mexican government, after Mexico gained independence. 8. Which region of Mexico is best for...
Wednesday, February 19, 2014 at 1:03pm

socialstudies(CHECK ANSWERS)
ANOTHER UPDATE FOR MY RECENT QUESTIONS I UPDATED ANSWERS....please check them 5. Mexico City was built by the A.Olmecs, when they began to grow maize. B.Maya, after they conquered the Valley of Mexico. C.Spanish, on the ruins of the Aztec capital. (I PICK THIS) D.Mexican ...
Wednesday, February 19, 2014 at 12:37pm

socialstudies(CHECK ANSWERS)
please check my updated asnwers thanks !! 5. Mexico City was built by the A.Olmecs, when they began to grow maize. B.Maya, after they conquered the Valley of Mexico.(I PICK THIS) C.Spanish, on the ruins of the Aztec capital. D.Mexican government, after Mexico gained ...
Wednesday, February 19, 2014 at 12:18pm

algebra
Solve the system by graphing: In order to receive credit for this problem you must show all your work. y=x+6 y=-3x+6
Wednesday, February 19, 2014 at 12:01pm

socialstudies(CHECK ANSWERS)
please check these answers ive been stuck on this stupid test for a whole week !!! 1. Sinkholes are found in the A.Mexican Plateau. B.Pacific Coastal Lowlands. C.Sierra Madres. D.Yucatán Peninsula.(I PICK THIS) 2. Compared to southern Mexico, northern Mexico A.has a ...
Wednesday, February 19, 2014 at 11:41am

social studies
please answer these im in desperate need for help...ive been stuck on it for hours. 1. Sinkholes are found in the A.Mexican Plateau. B.Pacific Coastal Lowlands. C.Sierra Madres. D.Yucatán Peninsula. 2. Compared to southern Mexico, northern Mexico A.has a drier climate ...
Wednesday, February 19, 2014 at 9:57am

Math ~ Check Answers ~
A system of linear equations is shown below. 5X = 3y - 2 y = X + 4 What is the x -coordinate of the solution? a.) 2 b.) 4 c.) 5 d.) 1 ***** Jean needs to graph the function below. y = 7x ^2 + 8x -6 How many times should the graph of this function intersect the x-axis? a.) 3...
Tuesday, February 18, 2014 at 8:55pm

Physics
Two protons, an infinite distance apart are brought together to a separation of 1 nm. What is the initial potential energy of the system?
Tuesday, February 18, 2014 at 6:12pm

Math
Every moment of every day, light pours out from the Sun at the center of our solar system and travels to Earth. It does not arrive at Earth instantaneously though; it takes time to get here. Your task is to figure out how long it takes for light to travel from the Sun to Earth...
Tuesday, February 18, 2014 at 4:05pm

Algebra 1
Julie subscribes to a sports magazine and a fashion magazine. She received 24 issues this year. The number of fashion issues is 6 less than twice the number of sports issues. Define the variables, and write a system of equations to find the number of issues of each magazine.
Monday, February 17, 2014 at 9:51pm

statistics
Suppose that each unit of a system is up with probability 2/3 and down with probability 1/3. Different units are independent. For each one of the systems shown below, calculate the probability that the whole system is up (that is, that there exists a path from the left end to ...
Monday, February 17, 2014 at 8:34pm

Ethics
1. Modern-day determinism tends to be based in: A. religious teachings. B. science. C. the idea of predestination. D. intentionalism. is it B 2. Which of the following is theorized to play an important role in imitative behavior and our capacity to relate to and empathize with...
Monday, February 17, 2014 at 4:13pm

Helpppppp
The modern grocery has cashews that sell for $4.00 a pound and peanuts that sell for 2.50 a pound. How much of each must Albert the grocer mixed to get 60 pounds of mixture that he can sell for three dollars per pound? Express the problem as a system of linear equations and ...
Monday, February 17, 2014 at 12:11pm

Math problem
The modern grocery has cashews that sell for $4.00 a pound and peanuts that sell for 2.50 a pound. How much of each must Albert the grocer mixed to get 60 pounds of mixture that he can sell for three dollars per pound? Express the problem as a system of linear equations and ...
Monday, February 17, 2014 at 11:58am

Problem solving
A group of 52 people attendance ball game. There are three times as many children as adults in the group. Write a system of equations that you can use to solve this problem where a is the number amd C is the number of children in the group. How many children are in the group
Monday, February 17, 2014 at 11:45am

Story problem
A group of 52 people attendance ball game. There are three times as many children as adults in the group. Write a system of equations that you can use to solve this problem where a is the number amd C is the number of children in the group. How many children are in the group
Monday, February 17, 2014 at 11:35am

Physical Science
No system is completely closed off from its surroundings. Which represents a system that is almost completely closed? A. a capped soda bottle B. a wood-burning fireplace C. a washing machine D. a pot of boiling water I believe it is A.
Monday, February 17, 2014 at 11:09am

Math
When solving a system algebrically how can you tell if solution is the equation of the line
Monday, February 17, 2014 at 8:37am

Math
When solving a system algebraically how can you tell if there is no solution
Monday, February 17, 2014 at 8:35am

math
The telephone company has 25 computer controlled switching systems. Each system handles 700,000 calls an hour. The system works at 96% accuracy. How many calls would not accurately
Sunday, February 16, 2014 at 9:31pm

Intermediate Algebra
Solve the system of equations by graphing. Then classify the system. y=-x-13 5x-4y=-20 What is the solution of the system? a)The solution is___? b)There are infinitely many solutions c)There is no solution Is the system consistent or inconsistent? a)inconsistent b)consistent ...
Sunday, February 16, 2014 at 5:12pm

Intermediate Algebra
Solve the following system of equations. x+4y=5 x=6-4y What is the solution of the system? a) The solution of the system is ___? (TYPE AN ORDERED PAIR) b) There is no solution
Sunday, February 16, 2014 at 2:04pm

Math help mrs sue
When solving A system by graphing how can you tell if the solution is the equation of the line
Sunday, February 16, 2014 at 12:23pm

Intermediate Algebra
Solve the system of equations by graphing. Then classify the system. f(x)=x+1 g(x)=-8x+10 What is the solution of the system? a)The solution is___? b)There are infinitely many solutions c)There is no solution Is the system consistent or inconsistent? a)inconsistent b)...
Sunday, February 16, 2014 at 12:22pm

Math
When solving A system by graphing how can you tell if the solution is the equation of the line
Sunday, February 16, 2014 at 12:11pm

Physics
A coin is dropped from a hot-air balloon that is 325 m above the ground and rising at 12.5 m/s upward. For this problem use a coordinate system in which up is positive. Find the maximum height reached for the coin in meters
Saturday, February 15, 2014 at 11:07pm

Chemistry
There are two open beakers placed in a sealed box at constant temperature. Beaker 1 has 25 ml of .1 M NaCl in water. Beaker 2 has 45 ml of .05 M NaCl in water. What happens as the system goes towards equilibrium and what is the final contents in each beaker?
Friday, February 14, 2014 at 2:04pm

English 3
Which of the following items is not usually a factor in linguistic change? A. geographic isolation B. decision of government body C. influence of other languages D. education system
Thursday, February 13, 2014 at 2:06pm

english
Can you please summarise this for me? Women's rights have been enshrined in the constitution,but very little has changed in the lives of the majority of rural women in South Africa. A major stumbling block is the high level of illiteracy among rural women. Because they are...
Thursday, February 13, 2014 at 8:56am

Algebra 2
Ordinary corn syrup contains dextrose sugar. A process called enzyme conversion changes it into a syrup that is 42% fructose. This new syrup can be further treated with fractionation columns to make a syrup that is 95% fructose (high fructose corn syrup). Manufacturers of soft...
Thursday, February 13, 2014 at 1:59am

Chemistry
Br2(l)+Cl2(g) (double arrow) 2BrCl(g) dH=+29.4 kJ/mol I am having trouble understanding this. Will the system shift left, right, or unchanged and why? a.Increasing Temp. b. Increasing pressure in flask by adding Ar. c. Increasing volume of flask d. Adding Br2(l)...is answer ...
Wednesday, February 12, 2014 at 9:02pm

Aditya
Br2(l)+Cl2(g) (double arrow) 2BrCl(g) dH=+29.4 kJ/mol I am having trouble understanding this. Will the system shift left, right, or unchanged and why? a.Increasing Temp. b. Increasing pressure in flask by adding Ar. c. Increasing volume of flask d. Adding Br2(l)...is answer ...
Wednesday, February 12, 2014 at 9:00pm

Physics
On a frictionless table, a glob of clay of mass 0.54 kg strikes a bar of mass 1.24 kg perpendicularly at a point 0.27 m from the center of the bar and sticks to it. 1. If the bar is 1.02 m long and the clay is moving at 6.3 m/s before striking the bar, what is the final speed ...
Wednesday, February 12, 2014 at 11:14am

physics
Three blocks on a frictionless surface are connected by massless strings, with M1 = 1.40 kg, M2 = 2.40 kg, and M3 = 3.60 kg. Due to the force F acting on M3, as shown, the system accelerates to the right. Given that T1 is 3.50 N, calculate T2
Wednesday, February 12, 2014 at 10:46am

Physics - please help me..
A 1.35 kg mass is suspended from a spring with a spring constant of 189.0 N/m. The spring is attached to a rod which oscillates vertically at a frequency f. For what value of the frequency f will the system resonate?
Wednesday, February 12, 2014 at 10:19am

physics
A set of crash tests consists of running a test car moving at a speed of 11.6 m/s (25.52 m/h) into a solid wall. Strapped securely in an advanced seat belt system, a 61 kg (134.2 lbs) dummy is found to move a distance of 0.69 m from the moment the car touches the wall to the ...
Wednesday, February 12, 2014 at 10:06am

physics
1 What is the gravitational field strength at a height h above the surface of the Earth? R is the radius of the earth gR2(R+h)2 gR(R+h) Rg(R−h) R2g(R−h)2 2 The instrument used for experimental determination of the value of the universal gravitational constant G is ...
Wednesday, February 12, 2014 at 6:37am

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