Monday

February 27, 2017
Number of results: 51,516

**math**

A sports car is on sale at the local dealership.The price discounted is $12,595 .With 5% down, you can pay $249.34 a month for 60 months to pay for the car which includes interest.What is the total cost of this car if you bought on the installment plan? How much interest would...

*December 7, 2012 by Liala*

**university of png**

A car decelerates at -3.8m/second square without skidding when coming to a rest on a level road.what would its deceleration be if the road is inclined at 9.3degrees and the car moves uphill?(assume the same static friction coefficient and the car is on the verge of skidding)

*March 24, 2014 by philando*

**physics**

A compact car, mass 730 kg, is moving at 1.00 ✕ 102 km/h toward the east. The driver of the compact car suddenly applies the brakes hard for 1.9 s. As a result, an average force of 4.8 ✕ 103 N is exerted on the car to slow it down. What is the momentum now?

*October 26, 2014 by sarah*

**calc**

A car travels along a straight road for 30 seconds starting at time t = 0. Its acceleration in ft/sec2 is given by the linear graph below for the time interval [0, 30]. At t = 0, the velocity of the car is 0 and its position is 10. What is the velocity of the car when t = 6? ...

*August 23, 2015 by Anonymous*

**math**

kendall saw an advertisement for a used car that was being sold for 12% off.the regular price of the car is listed as $7,250.which format of the percent equation can you use to find the discount on the price of the car?justify your decition. 7,250*12/100 =870 correct

*March 19, 2016 by Lashmi*

**center of mass-please help**

The CM of an empty 1170 kg car is 2.50 m behind the front of the car. How far from the front of the car will the CM be when two people sit in the front seat 2.8 m from the front of the car, and three people sit in the back seat 3.90 m from the front? Assume that each person ...

*March 9, 2010 by Anonymous*

**math**

car A travels 135 miles with 6 gallons car B travels 285 with 15 gallons which car has a better mileage

*August 31, 2016 by leslie*

**physics**

the most common reasons for rear - end collisions are too short a following distance, speeding and failing brakes. car A of mass 1000 kg, stationary at a traffic light, is hit from behind by car B of mass 1200kg, travelling at 18m.s. immediately after the collision car A moves...

*April 26, 2011 by anonymous*

**Khudu secondary**

Car A of mass 1 000 kg,stationary at a traffic light,is hit from behind by car B of mass 1 200 kg,traveling at 18 m.s-1. Immediately after the collision car A moves forward at 12 m.s-1. 1. Assume that linear momentum is conserved during this collision. Calculate the speed of ...

*March 10, 2013 by Antony*

**Physics**

A speeder passes a parked police car at 30 m/s and continues on, obliviously maintaining a constant velocity. At that instant, the police car starts from rest with a uniform acceleration of 2.44 m/s2. a) How much time passes before the officer catches up to the speeder? b) How...

*September 11, 2016 by Anonymous*

**MATH SETS AND COUNTING**

There are a total of 103 foreign language students in a high school where they offer only Spanish, French, and German. You are given the following details for this semester: 44 take Spanish. 44 take French. 42 take German. 7 take Spanish and French but not German. 5 take ...

*October 4, 2010 by LEILA*

**math**

There are a total of 152 foreign language students in a high school where they offer only Spanish, French, and German. You are given the following details for this semester: 58 take Spanish. 71 take French. 66 take German. 9 take Spanish and French but not German. 9 take ...

*October 21, 2010 by Anonymous*

**Algebra**

1. A car travels 20 kilometers per hour faster than a second car. The first car covers 180 kilometers in the same time the second covers 135 kilometers. What is the average speed of each car? 2. The tens' digit of a two-digit number is one more than its units' digit. If the ...

*October 11, 2011 by cassie*

**Intermediate Algebra**

A car travels 30 miles in the same time that a car traveling 5 miles per hours faster travels 45 miles. What is the rate of each car?

*December 9, 2012 by Anonymous*

**Intermediate Algebra**

A car travels 30 miles in the same time that a car traveling 5 miles per hours faster travels 45 miles. What is the rate of each car?

*December 10, 2012 by Please Help :)*

**Physics- Car moving with speed of 22 m/s...**

A car is moving with a speed of 22 m/s. The driver then brakes, and the car comes to a halt after 6.5 s. What is the distance covered by the car after the driver brakes, until it comes to a stop? a. 36 m b. 72 m c. 140 m d. 219 m

*December 15, 2016 by MM*

**physics**

A 3.1 × 103 kg car accelerates from rest at the top of a driveway that is sloped at an angle of 19.5◦ with the horizontal. An average frictional force of 4.4×103 N impedes the car’s motion so that the car’s speed at the bottom of the driveway is 4.9 m/s. The ...

*October 17, 2013 by Anonymous*

**Physics**

A 4.0 × 103 kg car accelerates from rest at the top of a driveway that is sloped at an angle of 19.6◦ with the horizontal. An average frictional force of 4.0×103 N impedes the car’s motion so that the car’s speed at the bottom of the driveway is 4.9 m/s. The ...

*December 6, 2013 by Artemis*

**physics**

In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 33.9 m/s in a time of 6.02 s. The mass of the car and riders is 1.64 × 103 kg. Find the average net force exerted on the car and riders by the magnets.

*October 22, 2014 by doha*

**Physics**

In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 36.6 m/s in a time of 8.22 s. The mass of the car and riders is 3.94 × 103 kg. Find the average net force exerted on the car and riders by the magnets.

*October 24, 2014 by Student A*

**physics**

In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 43.7 m/s in a time of 6.50 s. The mass of the car and riders is 3.24 × 103 kg. Find the average net force exerted on the car and riders by the magnets.

*October 7, 2015 by sandra*

**Physics**

In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 37.1 m/s in a time of 6.28 s. The mass of the car and riders is 8.88 × 103 kg. Find the average net force exerted on the car and riders by the magnets.

*October 8, 2015 by Natasha*

**Math**

In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 46.6 m/s in a time of 6.82 s. The mass of the car and riders is 6.72 × 103 kg. Find the average net force exerted on the car and riders by the ...

*January 4, 2017 by Thomas*

**English**

I forgot to add the following sentences. Thank you very much. 1) In the evening I always have to prepare (?) my schoolbag.I must put up my hand if I want to speak (??) I mustn't eat or drink during school hours (also: lessons?) 2) I mustn't interrupt my (the?) teachers when ...

*April 3, 2011 by Mike*

**math**

the gas tank of your car holds 21 gallons. It is 1/3 full. How many gallons will it take to fill the tank?

*February 21, 2008 by losted*

**Math**

Vivica washhes 6 cars in 60 minutes. How many minutes does it take Vivica to wash one car?

*May 23, 2008 by Nenny*

**Algebra**

How long does it take a care traveling 100 mph to catch up to a car traveling 80 mph

*May 27, 2012 by Al*

**english**

Do these sentences sound correct: 1. The car stopped quickly to avoid the child. 2. My friend is generous, hardworking, and talkative. 3. The members of Congress would rather stonewall the proposal than pass the new law. 4. When the ice is thin, you should not skate on the ...

*November 1, 2015 by Jennifer*

**physics help**

A 1000-kg car moving at 10 m/s brakes to a stop in 5 s. The average braking force is? when i work this out with the formula that you gave me, i get 2525 instead of 2000 N

*October 17, 2007 by Soly*

**Reading**

“Aunt Dessie unfolded out of the car like a carpenter’s ruler” is an example of (1 point) a. personification. b. symbol. c. simile. d. metaphor. i think it is b.

*March 12, 2013 by Gia*

**calc**

a) A car is traveling at 50 mi/h when the brakes are fully applied, producing a constant deceleration of 40 ft/s^2. What is the distance covered before the car comes to a stop? b) A car braked with a constant deceleration of 40 ft/s^2 and produced skid marks measuring 160 feet...

*November 22, 2009 by Jill*

**physics**

A 500-kg cannon and a supply of 80 cannon balls, each with a mass of 45.0 kg, are inside a sealed railroad car with a mass of 11000 kg and a length of 49 m. The cannon fires to the right; the car recoils to the left. The cannon balls remain in the car after hitting the wall. ...

*March 3, 2012 by Katie*

**geometry**

At rosemead high school, 94 students take biology, 86 take ethnic studies, and 95 take geometry. thirty-seven students take both biology and geometry, 43 take geometry and ethnic studies, and 42 take ethnic studies and biology. twenty eight students take all three subjects. ...

*September 13, 2010 by Audrey*

**geometry**

At rosemead high school, 94 students take biology, 86 take ethnic studies, and 95 take geometry. thirty-seven students take both biology and geometry, 43 take geometry and ethnic studies, and 42 take ethnic studies and biology. twenty eight students take all three subjects. ...

*September 13, 2010 by Audrey*

**physics**

A car that weighs 1.5 × 10^4 N is initially moving at a speed of 43 km/h when the brakes are applied and the car is brought to a stop in 16 m. Assuming that the force that stops the car is constant, find (a) the magnitude of that force and (b) the time required for the change...

*October 8, 2010 by monnie*

**Physics**

A car starts from rest and accelerates at a rate of 1 m/s^2 until it reaches a velocity of 7 m/s. It then travels at a constant velocity for the next 15 seconds. The driver then applies the brake, bringing the car to stop. The brakes provide an acceleration of -4 m/s^2. a) ...

*September 14, 2014 by Ulash*

**physical science**

A car starts from rest and accelerates uniformly along a straight horizontal road at 3 metres second squeared for 4 seconds.CALCULATE THE MAGNITUDE OF THE MAXIMUM VELOCITY OF THE CAR,I.E THE VELOCITY OF THE CAR AFTER ACCELERATING FOR 4 SECONDS.PLEASE SHOW ALL CALCULATIONS

*September 3, 2011 by Anonymous*

**Physics**

A freight car with a mass of 29,000 kg rolls down an inclined track through a vertical distance of 2.8 m. At the bottom of the incline, on a level track, the car collides and couples with an identical freight car that was at rest. What percentage of the initial kinetic energy ...

*November 16, 2011 by Yuki*

**psy**

15. <22{2[2(06)]}> Bowl More Lanes ran out of bowling lanes last Saturday and provided lanes for a league competition that night. Since there will not be a league competition at Bowl More on Monday, the bowling alley won’t run out of lanes on Monday. Which one of the ...

*September 25, 2010 by Cat*

**Physics**

You are sitting in your car at a traffic light at the foot of a 200 ft long ramp that will take you onto the interstate. If your cat can at best accelerate at 5 m/s^2 and the traffic on the interstate is moving at 65mph. will the ramp be long enough for you to reach that speed...

*October 15, 2007 by Tammy*

**chem**

What volume in liters is occupied by 8.22 g of SO2 gas confined at a pressure of 1200.8 torr at 75.0*c?

*August 1, 2012 by liz*

**physics 11**

By how much would 1200 W kettle, which is 72% efficient raise the temperature of 0.60 kg of water in 3.0 min?

*December 20, 2012 by sim*

**Math**

What is the rate of interest charged if a 9 month loan of $1200 is paid off with with $1312.50?

*May 13, 2015 by Preia*

**Math**

Find the sum of all integers between 1200 and 2900, inclusive, which are not divisible by 9.

*October 3, 2016 by Anonymous*

**Chemistry**

Take two glass put 20 g sugar in 20 ml water in first glass and put 15g sugar in 15 ml water in second glass now check out which one will be more concentrated and find out molarity normality of both

*June 20, 2013 by Harman*

**Chemistry**

Take two glass put 20 g sugar in 20 ml water in first glass and put 15g sugar in 15 ml water in second glass now check out which one will be more concentrated and find out molarity normality of both

*June 20, 2013 by Harman*

**physics 1**

a car is being pulled out of the mud by two two ropes

*May 2, 2012 by Anonymous*

**Physics**

A car of mass 1300 kg is driving along a road at speed of 28m/s. As it approaches some traffic lights, the lights change to red and the driver applies his brakes causing the car to skid. The frictional force between the skidding tyres and the road is 0.8 of the weight of the ...

*October 25, 2015 by Sean*

**english**

whats worng with theses sentences.. The first step to playing spades is to make srue you have all the cards in the deck, take out the jokers, because in spades there are no wilds, then you shuffle the cards well, so that you improve your odds of getting an awesome hand, after ...

*June 26, 2005 by casey*

**math**

At a used car dealership, the first determinant in the price of the car is the model, followed by the mileage and the age of the car. Which of the following is the dependent variable? A. price B. model C. mileage D. age I think its A because price depends on age, mileage, and ...

*May 23, 2015 by mandi*

**Physics**

A compact car of mass 915 kg has an overall motor efficiency of 16.0%. (a) If burning one gallon of gasoline supplies 1.34 108 J of energy, find the amount of gasoline used in accelerating the car from rest to 55.0 mi/h. Here you may ignore the effects of air resistance and ...

*October 27, 2015 by Steven*

**Physics**

A mine car (mass 380 kg) rolls at a speed of 0.5 m/s on a horizontal track, as the drawing shows. A 150 kg chunk of coal has a speed of 0.80 m/s when it leaves the chute. Determine the velocity of the car/coal system after the coal has come to rest in the car.

*April 1, 2008 by Will*

**physics again (check answers please)**

What net force increases a velocity of a car from 20 m/s to 35 m/s in 8.0 s if the mass of the car is 1600 kg? (3000 N). What force would cause the car to stop? (3000N) What coefficient of friction is needed to supply the force of friction? (.0191) are they correct?

*November 8, 2008 by lauren*

**Physics**

In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 36 m/s (around 80 mi/h) in a time of 5.5 s. The mass of the car and riders is 4900 kg. Find the average net force exerted on the car and riders by the ...

*June 26, 2012 by Emily*

**physics**

In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 42 m/s (around 90 mi/h) in a time of 7.3 s. The mass of the car and riders is 5700 kg. Find the average net force exerted on the car and riders by the ...

*October 11, 2013 by Donna*

**chemistry**

what steps do i take when trying to figure out how many atoms of copper are contained in 1.15 moles of Cu?

*December 7, 2010 by ayzhanah*

**challenge to maths**

n buckets are arranged in a circle, each containing 1 token. Starting with one of the buckets, you take out a coin and move it into the next bucket counterclockwise. You then take two tokens out of this bucket and move them into the next one. This process is repeated over and ...

*June 12, 2013 by Anonymous*

**chemistry**

The reaction Cl(g)+ O3(g) --> ClO(g)+ O2(g) is the first-order in both reactants. Determine the pseudo-first-order and second-order rate constants for the reaction from the data in the table below if the initial ozone concentration was ..0000000000825 M or 8.25*10^-11 M. ...

*October 15, 2012 by Brun*

**chemistry**

The reaction Cl(g)+ O3(g) --> ClO(g)+ O2(g) is the first-order in both reactants. Determine the pseudo-first-order and second-order rate constants for the reaction from the data in the table below if the initial ozone concentration was ..0000000000825 M or 8.25*10^-11 M. ...

*October 15, 2012 by Brun*

**Physics**

A man driving a car toward a large vertical wal sounds his horn. The car is traveling at 81 km/h. The echo off the wall is heard by the man at a frequency of 958 Hz. What is the frequency of the car's horn?

*July 22, 2013 by Katherine*

**Math**

A car traveled at a constant speed for 4 hours and covered 144.6 miles. It used 12 gallons of gas to travel this distance. How far did the car go in 1 hour? How far did the car travel on 1 gallon of gas?

*June 22, 2015 by Aiden*

**Maths**

Mr A filled his car with fuel every fourteenth day. Mr B fills his car every eighth day. They both filled their car today. How many days will it be until they next fill their tanks again?

*March 22, 2016 by Priscilla*

**Physics**

A car travelling at 90 km/hr sounds it horn as it approaches a stationary cyclist.if the car horn is at 512 Hz and temperature of air is 10 degree centigrade, what is the frequency of the sound waves reaching the cyclist as car approaches.

*June 5, 2016 by Allen*

**Physics**

Question: A Toyota car travelled at the rate of 70 km/hour leaves the house 2 hours after a Kia car has left and overtakes it in 5 hours. at what rate was Kia car travelling? What's the Formula pls? Thanks

*July 21, 2016 by John*

**SCIENCE**

A police man is driving a car with a speed of 30km/h,and firing a bullet having a speed of 150m/s towards another car which is moving ahead with a speed of 192km/f.At what speed will the bullet hit the car?

*July 16, 2012 by SWAPAN*

**Physics**

Question: A Toyota car travelled at the rate of 70 km/hour leaves the house 2 hours after a Kia car has left and overtakes it in 5 hours. at what rate was Kia car travelling? What's the formula?

*July 21, 2016 by John*

**Math**

You are about to leave for vacation, but you forgot your socks! You go back to your room but lights are out, can't see. You remember that in your draw you have 10 pair black, 10 pair white and 11 pair blue all mixed up. How many socks do you need to take out to be SURE you ...

*April 6, 2014 by Laney*

**Physics**

Consider a perfectly inelastic head-on collision between a small car and a large truck traveling at the same speed. Which vehicle has a greater change in kinetic energy as a result of the collision? Since the vehicles stick together after the collision and take the direction ...

*February 27, 2008 by Jim*

**physics**

The Graph above shows the speed of a car traveling in a straight line as a function of time. The car accelerates uniformly and reaches a speed Vb of 4.00 m/s in 8.00 seconds. Calculate the distance traveled by the car from a time of 1.20 to 4.40 seconds.

*September 8, 2013 by Karen*

**Business Math**

I'm wondering if I got this question right. A car salesman receives a commission of 10% of the selling price of a car. Find the commission the salesperson earns for selling a car for $12,300. The answer I got was $12,3000.

*November 5, 2014 by Bradley*

**Physics or Math**

Question: A Toyota car travelled at the rate of 70 km/hour leaves the house 2 hours after a Kia car has left and overtakes it in 5 hours. at what rate was Kia car travelling? what's the formula pls?

*July 21, 2016 by John*

**Algebra 1**

The value of a certain new car (time = 0 years old) is $14,000. After two years (t=2), the value of the car is $9,000. A. Find the linear equation representing the car after t years. B. What is the value of the car after 5 years?

*March 1, 2014 by Alex*

**science**

How many cars are there in a long freight train if it take the entire train 2 minutes to pass a station as it travels at 40 miles/hour? Each car is 50 feet long

*September 2, 2010 by paulie*

**math**

before the year end sale one used car was priced at 8,925. During the sale the car was marked down to 7,586.25. By what percent was the car marked down?

*December 15, 2009 by Jas*

**physics**

A toy car rolls at a constant speed down a straight inclined track. When the car reaches the flat surface at the base of the inclined track, the speed of the car decreases.

*August 10, 2011 by betsy*

**physics**

A car traveling at 150 miles/hour strikes a wall and bounces backwards at 30 miles/hour. If the car is in contact with the wall for 0.1 seconds, what is the force that the car exerts on the driver.

*March 24, 2013 by robert*

**math**

in a survey of 1,500 people who owned the same make of car, 600 indicated that they would buy the same make of car again. What percent of these people were satisfied with their car?

*November 13, 2013 by Vicky*

**Physics**

Question: A Toyota car travelled at the rate of 70 km/hour leaves the house 2 hours after a Kia car has left and overtakes it in 5 hours. at what rate was Kia car travelling?

*July 21, 2016 by John*

**Physics**

a) A car accelerates uniformly from rest to a speed of 97.9 mi/h in 6.93 s.Find the constant acceleration of the car.Answer in units of m/s^2. b)Find the distance that the car travels during this time.Answer in units of m. How do you do this?

*October 13, 2016 by Landia*

**math,help**

how can i factor this out completly x^4+x^3-12 i know that4*-3=-12 but how can i get that middle term x^2*x^2=x^4 first you cannot take out any GCF. so if you decide to use grouping, you can create an equivalent problem: x^4 + x^3 - 6 - 6 then by using grouping (the x-terms ...

*April 20, 2007 by jasmine20*

**math**

you have deposited 1000 dollars in your savings account with n annual interest rate of 4 percent compounded monthly. how much money are you going to have in your account after six months? [(1+ 0.04/12)]^6 x 1000 = ?? is the answer 1020.164? You got it. well theres another part...

*September 17, 2006 by john*

**Math**

Julie wants to find out how much water was used when taking a bath and when taking a shower. Julie found the dimensions of the tub filled with enough water to take a bath was 48 inches x 38 inches x 16 inches and that the shower uses 8.25 gallons per minute. Julie figures a ...

*January 22, 2017 by shewanna*

**Physics**

On vacation, your 1300 kg car pulls a 540 kg trailer away from a stop light with an acceleration of 1.80 m/s2. What is the net force acting on the car? I have determined: 1) the force acting on the car by the trailer is 972 N. 2) The force acting on the trailer by the car is ...

*January 17, 2010 by Bobby C*

**Physics**

On vacation, your 1300 kg car pulls a 540 kg trailer away from a stop light with an acceleration of 1.80 m/s2. What is the net force acting on the car? I have determined: 1) the force acting on the car by the trailer is 972 N. 2) The force acting on the trailer by the car is ...

*January 18, 2010 by Robert C*

**DrBob222**

How fast should a car move toward you for the car's horn to sound 2.88% higher in frequency than when the car is stationary? The speed of sound is 343 m/s. I don't know what equation to use. I think I'm suppose to use this: fs(v-vd/v-vs) I know I got it wrong I got 11.8 m/s

*April 5, 2008 by Jon*

**physics**

A car travels along a highway with a velocity of 24 m/s, west. The car exits the highway and 4.0 s later, its instantaneous velocity is 16 m/s, 45o north of west. What is the magnitude of the average acceleration of the car during the five-second interval?

*July 17, 2010 by axel*

**algebra 2**

A car enters an interstate highway 15 mi north of a city.The car travels due north at an average speed of 62.5 mi/h.Write an equation to model the car’s distance d from the city after traveling for h hours. Graph the equation

*October 12, 2012 by aia*

**Physics**

A car is stopped at a stoplight. When the light turns green, it accelerates with a constant acceleration of 2.5 m/s^2. At the same instant, a truck passes the car in the same direction with a constant velocity of 15 m/s. how long until the car catches the truck?

*November 1, 2012 by Sarah*

**Physics**

A car makes a 288 km trip at an average speed of 31.3 km/h. A second car starting 1 h later arrives at their mutual destination at the same time. What was the average speed of the second car for the period that it was in motion? Answer in units of km/h

*October 1, 2013 by alison*

**physics**

a 2100 kg car starts from rest and accelerates at a rate of 2.6 m/s for 4 sec. assume that the force acting to accelerate the car is acting in the same direction as its motion. how much work has the car done? m=2100 kg w=fd v1=0 f=ma t=4 sec d=t+1/2at(squared) a=2.6 m/s2

*November 11, 2014 by david*

**Physics**

A 1500-kg blue car is travelling south, and a 2000-kg red sports car is travelling west. If the momentum of the system consisting of the two cars is 8000kg.m/s directed at 60 degrees west of south, what is the speed of each car?

*March 3, 2015 by Reynaldo*

**Math**

The odometer on a car shows 26962 km. Notice that this number is a palindrome. After the car has travelled two hours at a constant rate, the odometer shows the next possible palindromic number. How fast is the car travelling?

*September 23, 2015 by Sandy*

**physics**

A police car moving at 75m/s is initially behind a truck moving in the same direction at 14m/s. The natural frequency of the car's siren is 1000Hz. What is the change in frequency observed by the truck driver as the car overtakes him?

*March 16, 2016 by maryam*

**College Physics**

A car moving at constant velocity of 14 m/s passes a gasoline station. two seconds later, another car leaves the gasoline station and accelerates at the constant rate of 2m/s^2. How soon will the second car overtake the first?

*May 12, 2016 by Patrick*

**F/maths**

X, Y and Z are three points on a straight road.A car passes X with a speed of 5m/s and travels from X to Y with a constant acceleration of 2m/s^2. The car then moves with a constant retardation of 3.5m/s^2 from Y to Z and comes to rest at Z. If the total distance from X to Y ...

*July 27, 2016 by Ajila Ayobami*

**math 157**

For the data in the following table, select a type of display and describe the steps that you would take in developing it to show the relationship between age and s/1000 people from car s: Age 1–14 15–24 25–44 45–64 65– Death 4.6 6.2 16.6 8.8 15.

*June 11, 2010 by Deidre*

**Personal Dimension of Educatio**

Compound subjects those joined with and should take singular verbs. For example: the cd player and moon roof is included in the car's price. True or False. My answer is False.

*November 16, 2012 by Jackie*

**physics**

A 580 kg cannon and a supply of 41 cannon balls, each with a mass of 38.9 kg, are inside a sealed railroad car with a mass of 31000 kg and a length of 53 m. The cannon fires to the right; the car recoils to the left. The cannon balls remain in the car after hitting the wall. ...

*October 10, 2014 by unless*

**physics**

a 9000 kg railroad car moving at 3 m/s strikes a stationary 5000 kg railroad car .what is the momentum of the 9000 kg railroad car before the collision?

*February 27, 2012 by Anonymous*

**Physics**

A 2010 kg car traveling to the west at 18.5 m/s slows down uniformly under a force of 8880 N to the east. a) How much force would be required to cause the same acceleration on a car of mass 3120 kg? How far would the car move before stop- ping? Answer in units of m

*November 13, 2011 by Eileen*