Thursday

December 18, 2014

December 18, 2014

Number of results: 111,445

**MATH**

1. A factory manufactures two products, each requiring the use of three machines. The first machine can be used at most 60 hours; the second machine at most 30 hours; and the third machine at most 80 hours. The first product requires 2 hours on machine 1, 1 hour on machine 2, ...
*May 12, 2014 by ANGELLA*

**algebra 1**

juan drives to work. Because of traffic conditions, he averages 22 miles per hour. He returns home averaging about 32 miles per hour. the toatle time traveled is 2 and 1/4 hours.define a variable for the time Juan takes to drive to travel to work write an expression for the ...
*March 26, 2008 by nathan*

**Math**

a truck can be rented from company A for $100 a day plus $0.60 per mile and company B charges $50 a day plus $0.80 per mile to rent the same truck. Find the number of miles in a day at which the rental costs for company A and B are the same.
*October 4, 2014 by Isabella*

**business statistics**

store manager is doing a study on how to staff his franchise. He knows that the average number of pizzas ordered is 12 per hour with a standard deviation of 1.4 pizzas. Staffed with 3 employees, he can assemble up to 15 pizzas per hour. If his store is open for 10 hours each ...
*February 18, 2012 by ty*

**7th grade**

how do you convert 35ibs per minutes to ibs per hour?
*December 6, 2010 by sara*

**Math**

A Gentoo penguin can swim at a rate of 17 miles per hour how many miles can a penguin swim in 4 hours use the expression rt where r represents rate and t represents time
*November 11, 2014 by Anonymous*

**Trigonometry **

A water wheel has a radius of 15 ft. A river passing through the water wheel turns the wheel at 11 revolutions per minute(rpm). What is the speed of the river in miles per hour?
*February 28, 2013 by Laura*

**Trigonometry **

A water wheel has a radius of 15 ft. A river passing through the water wheel turns the wheel at 11 revolutions per minute(rpm). What is the speed of the river in miles per hour?
*February 28, 2013 by Laura*

**Algebra **

a cyclist and a horse rider are going the same speed. the rider stops after 11.1 miles. the cyclist goes for another hour and 18.5 miles. how fast is each one going?
*April 17, 2013 by Diana*

**math**

Coming down the long hill,Nelson averaged 24 miles per hour. If it took him 5 minutes to come down the hill, how long was the hill? Please help
*September 30, 2010 by Anonymous*

**Math**

An airplane can travel 380 miles into the wind in the same time that it can travel 420 miles with the wind. If the wind speed is 10 miles per hour, find the speed of the airplane without any wind. Is this correct: 380(x-10)=420(x+10) 380x-3800=420x+4200 -420x -420x -40x-3800=...
*March 22, 2011 by Mikel*

**Math**

A LIGHTHOUSE IS 10 MILES NORTHEAST OF A DOCK. A SHIP LEAVES THE DOCK AT NOON,AND SAILS EAST AT A SPEED OF 12 MILES AN HOUR. AT WHAT TIME WILL IT BE 8 MILES FROM THE LIGHTHOUSE?
*March 15, 2012 by Shihara*

**College Math**

For questions 1-2, apply the quadratic formula to find the roots of the given function, and then graph the function. 1. f(x) = x2 + 4 (6 points) g(x) = x2 - x – 12 For questions 3-4, factor the quadratic expression completely, and find the roots of the expression. 1. (3 ...
*December 12, 2010 by jennie*

**calc**

Suppose the total cost, C(q), of producing a quantity q of a product is given by the equation C(q) = 5000 + 5q The average cost per unit quantity, A(q), equals the total cost, C(q), divided by the quantity produced, q. Find the limiting value of the average cost per unit as q ...
*February 8, 2010 by kyle*

**math**

if it takes 1/2 hour to clean 1/8 mile, how long will it take to clean 2.5 miles
*January 29, 2012 by Liam*

**College Accounting 211**

A company's predetermined overhead rate is $19.00 per direct labor hour and its direct labor wage rate is $16.00 per hour. Job A100 direct maerials cost is $280 and Direct Labor $240. 1. What is the total manufacturing cost assigned to Job A100? 2. If Job A100 consists of 70 ...
*June 19, 2013 by Glen*

**math **

If it takes a runner 15 minutes to run a mile how many miles would he run in two and half hours?
*May 5, 2014 by brittany *

**Maty**

Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $111.00 for 3 days and 300 miles, while Mary was charged $198.00 for 5 days and 600 miles. What does Best Rentals charge per day and per mile?
*October 25, 2014 by Mary*

**statistics**

A study of 35 professors showed that the average time they spent creating test questions was 13.5 minutes per question. The standard deviation of the population is 3.8. Which of the following is the 99% confidence interval for the average number of minutes it takes to create a...
*March 29, 2012 by Holly*

**finance**

Laird Company sells coffee makers used in business offices. Its beginning inventory of coffee makers was 200 units at $45.00 per unit. During the year, Laird made two batch purchases of coffee makers. The first was a 300-unit purchase at $50 per unit; the second was a 350-unit...
*January 21, 2011 by Monty Douglas*

**math**

The equation d =70t represents the distance in miles covered after traveling at 70 miles per hour for t hours.....what is d when t = 2.5? ...what is t when d =210? please help im desperate here...iv been studying all day help me my brain hurts!!!!!!!!!!! Now settle down and ...
*October 3, 2006 by chemiii*

**MATH/ALGEBRA PLEASE**

Okay, I think I have arrived at all the answer to the questions thrown my way. However, how do I explain what is happening “graphically”, where the services are charging same rate? : Your company must use a transportation service to shuttle their corporate partners from the ...
*December 17, 2009 by H*

**Physics**

To get to a concert on time, Dakota has to drive 122 miles in 2.00 hrs. (a) if he drove at an average speed of 55.0 mi/hr in a due west direction for the first 1.20 hr what must be his average speed if he is heading 30 degrees south of west for the remaining 48.0 min? (b)what ...
*September 12, 2010 by Dakota S*

**Programming**

please Help... Write a pseudo code that prompt the driver to enter the miles at the before taking the car and miles when returning the car.the program must him to enter the fuel consumed that day.the must be able to determine the fuel consumption for that vehicle i.e so much ...
*October 16, 2014 by Josefina*

**Algebra **

1) If N is the set of natural numbers that are factors of 18, represent this set in roster form. 2) Suppose U={1,2,3,4,5,6,7,8,9,10} is the universal set and A={1,4,5,9,10} What is A? 3) The wrestling team is holding a car wash. The teams goal is to raise at lease 252 and each...
*March 13, 2014 by Asia Powell*

**Algebra **

1) If N is the set of natural numbers that are factors of 18, represent this set in roster form. 2) Suppose U={1,2,3,4,5,6,7,8,9,10} is the universal set and A={1,4,5,9,10} What is A? 3) The wrestling team is holding a car wash. The teams goal is to raise at lease 252 and each...
*March 14, 2014 by Math Help? Please*

**Algebra **

1) If N is the set of natural numbers that are factors of 18, represent this set in roster form. 2) Suppose U={1,2,3,4,5,6,7,8,9,10} is the universal set and A={1,4,5,9,10} What is A? 3) The wrestling team is holding a car wash. The teams goal is to raise at lease 252 and each...
*March 15, 2014 by Math Help? Please*

**math**

It took Aaron 4 hours to drive 232 miles. Use the equation below to determine what his average rate of speed was. D = r x t D = distance, r = rate of speed, t = time
*May 1, 2014 by Anonymous*

**math**

Lawrence was training for a mararthon. He ran 9.59 miles total the first week of training. On the second week of training,he ran 16.58 miles total. How many more miles did he run the second week than his first? tip: It's deciamls subtraction
*June 7, 2012 by andy*

**Tech Math 1b**

Suppose that a hot air balloon moving due east at a speed of 15 mile per hour (mph) and at a constant altitude of 100 feet passes directly overhead. Thirty seconds later, what is the distance between me and the balloon?
*April 5, 2012 by Dexter Gibons*

**physics**

a train moving at a constant speed of 100km/h travels east for 40 minutes..then 30 degree east of north for 20 minutes...and finally west for 30 minutes..what's the trains average velocity for the trip at which direction?
*October 6, 2010 by Anonymous*

**word problem!!! algebra**

at noon, a cargo van crosses an intersection at 30 mph. At 12:30 pm, a car crosses the same intersection traveling in the opposite direction. At 1 pm, the van and car are 54 miles apart. How fast is the car traveling? I know the answer is 48 mph, but can you set it up for me? ...
*March 11, 2007 by susan*

**college**

Trains A and B are traveling in the same direction on perallel tracks. Train A is traveling at 100 miles per hour and train B is traveling at 120 miles per hour. Train A passes a station at 2:10 A.M. if train B passes the same station at 2:22 A.M, at what time will train B ...
*September 2, 2010 by Anonymous*

**algebra**

trains a and b are traveling in the same direction on parallel tracks. train a is traveling at 100 miles per hour and train b is traveling at 110 miles per hour. train a passes a station at 10:10 p.m. if train b passes the same station at 10:40 pm., at what time will train b ...
*February 19, 2011 by Anonymous*

**algebra**

trains a and b are traveling in the same direction on parallel tracks. train a is traveling at 100 miles per hour and train b is traveling at 110 miles per hour. train a passes a station at 10:10 p.m. if train b passes the same station at 10:40 pm., at what time will train b ...
*February 19, 2011 by Anonymous*

**intermidiate algebra**

Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $111.00 for 3 days and 300 miles, while Mary was charged $198.00 for 5 days and 600 miles. What does Best Rentals charge per day and per mile?
*October 25, 2014 by Mary*

**algebra**

write a linear equation to model the situation. you have walked 4 miles on a trail. you continue to walk at a rate of 3 miles per hour for 5 hours. please tell me how to do this!! thanks!
*October 18, 2009 by rachel*

**Math**

Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked. A car rental agency charges $250 per week plus $0.25 per mile to rent a car. How many miles can you travel in one week for $450
*July 25, 2012 by gokp*

**statistics**

The personnel office at a large electronics firm regularly schedules job interviews and maintains records of the interviews. From the past records, they have found that the length of a first interview is normally distributed, with mean μ = 31 minutes and standard ...
*February 18, 2014 by larae*

**Algebra 1 HELP!!!(Word Problems!)**

Sunset rents an SUV at $21.95 plus $0.23 per mile. Sunrise rents the same vehicle for $24.95 plus $0.19 per mile. For what mileage is the cost the same? Hint: Using "m" for miles, write one equation for each rental company. http://www.jiskha.com/display.cgi?id=1162665287 BUT I...
*November 6, 2006 by Margie*

**physics**

Heather and Matthew walk eastward with a speed of 0.98 m/s. If it takes them 34 min to walk to the store, how far have they walked? If Joe rides south on his bicycle in a straight line for 15 min with an average speed of 12.5 km/h, how far has he ridden? It takes you 9.5 min ...
*September 20, 2006 by anonymous*

**Physics**

I eat a 500 Calorie lunch and go hiking up a mountain afterwards. Assuming that chemical energy is converted to gravitational potential energy with 50% efficiency, approximately how many miles up the mountain can I go before I need my dinner? 0.5 miles 1 mile 2 miles 3 miles 4...
*October 7, 2012 by StressedStudent*

**statistics**

A study performed by Bridge Ratings found that in 2006, 58% of respondents said they use a cell phone while traveling in a vehicle (the survey participants were restricted to individuals who spent at least one hour per day commuting in their vehicle). For a sample of 250 ...
*May 8, 2013 by ali awan*

**Math**

The cost of renting a car for one day is $32 plus $.08 per mile. How much would it cost to rent a car for one day if the number of miles driven is 250?
*November 6, 2013 by Evy*

**ma**

A car travels 55 miles per hour and a plane travels 15 miles per minute. How far does the car travel when the plane travels 500 miles?
*September 1, 2012 by kely*

**Physics**

The speed of the train is reduced from 36 km per hour to 9 km per hour whilst it travels a distance of 150 metres,if the retardation be uniform,find how much further it will travel before coming to rest
*August 15, 2014 by Faiz*

**math**

a car travelved a distance of 195 miles in 3 hours 15 minutes what is the unit rate
*April 19, 2014 by jane *

**Phyics Word Problems**

Could you please check my work and help me with two of the problems. An airplane that flies at 100 km/h with a 10 km/h tailwind travels at 110 km/h relative to the ground. If it instead flies into a 10 km/h headwind, its groundspeed is 100km/h-10km/h = 90 km/h The average ...
*September 3, 2007 by Soly*

**MATH**

The rental rate on a car is $40.00 per day and 30¢ per mile. How much does Raoul pay for renting this car for 2 days and driving a total of 150 miles?
*January 22, 2013 by Anonymous*

**Physics**

Take the radius of the earth's orbit to be 1.5 x 1011 m. a. Using a year to be 365 days, find the speed of the earth as it moves around the sun. __m/s b. Convert this speed to miles/hour (show your conversion factor in your written backup). __miles/hour
*March 5, 2012 by Kelly*

**algebra II**

An aircraft flew 6 hours with the wind. The return trip took 7 hours against the wind. If the speed of the plane in still air is 276 miles per hour more than the speed of the wind, find the wind speed and the speed of the plane in still air. The wind soeed was ______ mph.
*October 21, 2010 by Anonymous*

**Algebra**

Train a is traveling @ 60 miles per hour. Train b is traveling @ 80 miles per hour. A arrives @ 9:25 am and b arrives @ 9:40 am what ime will train b catch up to train a?
*June 12, 2011 by David*

**calculus**

You work for the silver there is a home with a driveway 2 miles long extending to the house from a nearby highway. the nearest connection box is along the highway but 5 miles from the driveway. it costs the company $100 per mile to install cable along the highway and $140 per ...
*February 15, 2011 by scott*

**physics**

A tennis ball has a mass of 0.057 kg. A professional tennis player hits the ball hard enough to give it a speed of 52 m/s (about 117 miles per hour.) The ball moves toward the left, hits a wall and bounces straight back to the right with almost the same speed (52 m/s). As ...
*January 23, 2014 by Sandy*

**college algebra**

Solve the problem. A man rode a bicycle for 12 miles and then hiked an additional 8 miles. The total time for the trip was 5 hours. If his rate when he was riding a bicycle was 10 miles per hour faster than his rate walking, what was each rate?
*February 25, 2009 by megan*

**Math**

When sky divers initially fall from an airplane their velocity v in miles per hour after free falling d feet can be approximated by v=60/11√d. (Because of air resistance, they will eventually reach terminal velocity.) How far do sky divers need to fall to attain a ...
*November 25, 2011 by Chiquita*

**repost math question **

An aircraft flew 6 hours with the wind. The return trip took 7 hours against the wind. If the speed of the plane in still air is 276 miles per hour more than the speed of the wind, find the wind speed and the speed of the plane in still air. The wind soeed was ______ mph.
*October 22, 2010 by Anonymous*

**bob help**

how do u come up w/the answer? Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist ...
*September 11, 2008 by test comin up*

**Math word problem**

Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist eho is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with the first from the ...
*March 4, 2009 by Anonymous*

**mat-119**

Greg Tobin sells bottled water. He has found that the average amount of time he spends with each customer is related to his weekly sales volume by he function f(x)=x(60-x), where x is the number of minutes per customer and f(x) is the number of cases sold per week. (a) How ...
*March 6, 2013 by yaniris*

**physics**

what is 50 miles per hour in meters per second?
*December 18, 2010 by JJ*

**physics**

what is 50 miles per hour in meters per second ?
*December 18, 2010 by JJ*

**business**

The Springer Company sells its product for $20 per unit. Its fixed costs are $10,000 and the variable cost per unit is $10 What is the new break-even point if the price per unit increases from $20 to $30
*October 4, 2014 by v*

**PRE-CALC HELP **

Two boats leave the same port at the same time. One travels at a speed of 31 mi/h in the direction N 50° E and the other travels at a speed of 20 mi/h in a direction S 70° E (see the figure). How far apart are the two boats after one hour? (Round your answer to the nearest ...
*November 8, 2013 by JOHN *

**Calculus Help **

A high-speed bullet train accelerates and decelerates at the rate of 4 ft/s2. Its maximum cruising speed is 90 mi/h. (Round your answers to three decimal places.) (a) What is the maximum distance the train can travel if it accelerates from rest until it reaches its cruising ...
*April 19, 2014 by Ali*

**algebra**

Train A and B are traveling in the same direction on a parallel track. Train A is traveling at 100 miles per hour and train B is traveling at 120 miles per hour. Train A passes a station at 2:20 pm. If train B passes the same station at 2:35pm, at what time will train B catch ...
*May 6, 2009 by snuggles*

**MAT/116**

I have been looking for a formula to do an equation with " Train A and Train B, I need to find out when Train B will catch Train A. Trian A is traveling at 40 miles per hour, train B is traveling at 48 miles per hour. Train A passes a station at 8:10p.m.. If Trian B passes the...
*August 12, 2010 by Marilynn*

**math**

Juan drives to work. Because of traffic conditions, he averages 22 miles per hour. He returns home averaging 32 miles per hour. The total travel time is 2 1/4 hours. Define a variable for the time Juan takes to travel to work. Write an expression for the time Juan takes to ...
*October 3, 2012 by Hunter*

**Math Calculus 2**

At a certain instant an aircraft flying due east at 240 miles per hour passes directly over a car traveling due southeast at 60 miles per hour on a straight, level road. If the aircraft is flying at an altitude of .5mile, how fast is the distance between the aircraft and the ...
*October 22, 2012 by Steven*

**algebra **

Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with the first from the ...
*April 10, 2010 by vera*

**math**

to save fuel on the 240 km trip to the cottage, the Nakamura family reduce their usual average speed by 20 km/h. this lengthens their journey by 1 hour. what is the slower average speed? pleassee help! thanks :)
*March 21, 2011 by dawn*

**Algebra**

On Monday, it took Helen 3 hours to do a page of science homework exercises. The next day she did the same number of exercises in 2 hours. If her average rate on Monday was p exercises per hour, what was her average rate the next day, in terms of p? I know that the answer is 3...
*March 8, 2014 by Jeremy*

**Precalculus**

A nautical mile equals the length of arc subtended by a central angle of 1 minute on a great circle on the surface of Earth. If the radius of Earth is taken as 3960 miles, express 1 nautical mile in terms of ordinary, or statute, miles.
*January 12, 2012 by Jillian*

**Math**

For my class i have to solve this problem. I did it all but i am not sure its right. Heres the problem: The bike club of nj needed to rent a truck for 2 days. the president of the club got 3 different truck rentals companies to find out their rated so that the total cost for ...
*December 19, 2007 by Anonymous*

**Please Revise(short paper)**

Physical Education has been an extremely tough class, but I it has done me some justice. Despite how tough and painful it was, it all payed off in the end. Before this class started, running a mile seemed like the toughest task anyone could ever ask. Through extremely tough ...
*December 11, 2011 by Bryce*

**Math 116**

Trains A and B are traveling in the same direction on paralled tracks. Train A is traveling at 80 miles per hour and train B is traveling a 88 miles per hour. Train A passes a station at 9:20 P.M. If train B passes the same station at 9:35 P.M., at what time will train B catch...
*August 19, 2008 by Sam*

**algebra**

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 miles per hour and train B is traveling at 80 miles per hour. Train A passes a station at 5:15 A.M. IF train B passes the same station at 5:27A.M., at what time will train B catch...
*December 20, 2009 by Rich*

**MATH**

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 40 miles per hour and train B is traveling at 60 miles per hour. Train A passes a station at 8:20pm. If train B passes at the same station at 8:35 p.m at what time will train B catch...
*August 21, 2010 by Anonymous*

**Algebra**

trains a and b are traveling in the same direction on parallel tracks. train a is traveling at 60 miles per hour and train b is traveling at 80 miles per hour. train a passes a station at 9:10 am. if train b passes the same station at 9:25am, at what time will train b catch up...
*October 12, 2010 by William Tolson*

**math**

if someone walks 5km in 21 minutes and then 4 km in 39 minutes then whats his average speed
*March 12, 2014 by j*

**Economics**

5. A firm's marginal cost of production is constant at $5 per unit, and its fixed costs are $20. Draw its total, average variable and average costs. Marginal Cost (MC): $5 per unit Fixed Cost (FC): $20 Total Cost (TC): $25 Average Variable Cost (AVC): $5 FC is always going to ...
*April 15, 2012 by Daisy*

**math-word problem- PLEASE CHECK MY ANSWER**

Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 miles per hour and train B is traveling at 120 miles per hour. Train A passes a station at 5:20am. If train B passes the same station at 5:35 am, at what time will train B catch ...
*March 28, 2010 by KiKi*

**Math**

The formula r=2sqrt(...)5L can be used to approximate the speed r, in miles per hour, of a car that has left skid marks of length L, in feet. How far will Acari skid at 20 mph?
*April 1, 2014 by Teddy*

**ccs trigo**

A pilot is flying at a heading of 96° at 225 miles per hour wind is blowing from the south west at a heading of 37° find the ground speed and courses of the plane
*September 14, 2014 by mark*

**math**

boat is traveling at 17 knotical miles an hour how far will you have gone in 12 minutes
*November 10, 2012 by arnold*

**math**

it is 9 am yor family vacation stars in new york city with a final estination in miami. you travel 58 miles every hour if you do not stop for meals or attractions.you first head to washington d.c.and you must stop for 1 hour lunch at noon. use rounding to estimate how many ...
*October 18, 2011 by jj*

**pre calculus**

A taxi company charges $2.00 for the first mile (or part of a mile) and 20 cents for each succeeding tenth of a mile (or part). Express the cost C (in dollars) of a ride as a piecewise-defined function of the distance x traveled (in miles) for 0 < x < 2
*March 27, 2014 by Danielle*

**Precalc**

A taxi company charges $4.00 for the first mile (or part of a mile) and 40 cents for each succeeding tenth of a mile (or part). Express the cost C (in dollars) of a ride as a piecewise-defined function of the distance x traveled (in miles) for 0 < x ≤ 2.
*September 7, 2014 by Alexa*

**Math-Statistics**

Compare population per square mile in Asia to population per square mile in North America. Asia is 17,400 square miles with a population of 4,028,000,000 and North America is 9,400 square miles with a population of 305,000,000?
*September 26, 2007 by Mel*

**6th grade**

this is my question: how to find the unit rate of 600 people per sq mile?
*September 17, 2008 by humn*

**Economics**

It takes a phlebotomist 15 minutes to complete a blood draw. The supplies for each draw cost $4, and the phlebotomist earns $20 per hour. The phlebotomy lab is designed to accommodate 20,000 draws per year. What are the average and incremental costs of a blood draw when the ...
*February 10, 2014 by Lisa*

**business accounting**

the long distance company that you use charges $5.00 per month and $0.10 per minute per call. If your current bill is $25.00, how many minutes did you use?
*November 13, 2013 by Passaic county *

**physics**

An ocean liner experiences broad waves, called swells, with a frequency of one every 20 seconds (0.05 Hz) and a wavelength of 440 feet. Assume the waves are moving due east. If the liner maintains a speed of 15 miles per hour, will it have a smoother trip going east or west? Why?
*March 6, 2012 by long*

**math**

Mona drives 40 miles per hour. how long will it take Mona to drive 100 miles
*September 15, 2011 by anthony*

**algebra**

I need help.. If the train contained 42 gallons of ice cream at the tempurature of thrity two degrees and the train ran at 12 miles per hour and the train starts from Los Angeles an was making a stop at Phillipines. If the country of Phillipines demand the ice cream came at 12...
*April 3, 2007 by Kristine*

**Math**

Is this correct? Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 miles per hour and train B is traveling at 80 miles per hour. Train A passes a station at 3:25pm. If train B passes the same station at 3:40p.m., at what time ...
*April 28, 2008 by Shawna*

**physics**

A 0.46 kg object connected to a light spring with a spring constant of 18.0 N/m oscillates on a frictionless horizontal surface. The spring is compressed 4.0 cm and released from rest. (a) Determine the maximum speed of the mass. unit = cm/s (b) Determine the speed of the mass...
*March 22, 2011 by :)*

**Physics**

a boy sledding down a hill accelerates at 2.4 miles per second squared. if he starts from rest, in what distance would he reach a speed of 8.0 miles per second?
*December 2, 2010 by Cecilia*

**precal**

Write a formula for converting hours, starting with midnight as zero, to a decimal number of degrees. Assume that a full day equals 360º, 60 minutes equals one hour, and 60 seconds equals one minute. Use x, y, and z to represent hours, minutes, and seconds respectively. Use T ...
*August 28, 2010 by Anonymous*

**college algebra**

The diameter of the Earth is approximately 7,920 miles. Given that the circumference of a circle is pi times its diameter, which statement best describes the length of a trip from Washington to Masdagascar that is approximately 8,600 miles long? a.One fourth of the ...
*August 29, 2006 by Anonymous*

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