Friday

February 12, 2016
Number of results: 46,981

**physics**

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.25 m/s. The car is a distance d away. The bear is 39.8 m behind the tourist and running at 7.36 m/s. The tourist reaches the car safely. What is the maximum possible value for d?
*September 15, 2013 by Katy*

**Physics **

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.18 m/s. The car is a distance d away. The bear is 35.3 m behind the tourist and running at 6.24 m/s. The tourist reaches the car safely. What is the maximum possible value for d?
*September 16, 2013 by Anonymous*

**physics**

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.0 m/s. The car is a distance d away. The bear is 26 m behind the tourist and running at 6.0 m/s. The tourist reaches the car safely. What is the maximum possible value for d?
*September 19, 2013 by paul*

**Phyics**

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.48 m/s. The car is a distance d away. The bear is 30.5 m behind the tourist and running at 6.67 m/s. The tourist reaches the car safely. What is the maximum possible value for d?
*September 23, 2013 by I NEED HELP PLZ!!!*

**Physics**

A car traveling at a constant speed of 33.4 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 3.28 m/s2 How long after the trooper starts the chase does he overtake the speeding car
*September 25, 2013 by Sara*

**Physics**

A car traveling at a constant speed of 33.4 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 3.28 m/s2 How long after the trooper starts the chase does he overtake the speeding car
*September 25, 2013 by Sara*

**Physics**

A car traveling at a constant speed of 33.4 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 3.28 m/s2 How long after the trooper starts the chase does he overtake the speeding car
*September 25, 2013 by Sara*

**Physics**

A car traveling at a constant speed of 33.4 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 3.28 m/s2 How long after the trooper starts the chase does he overtake the speeding car
*September 25, 2013 by Sara*

**Physics**

A car traveling at a constant speed of 33.4 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 3.28 m/s2 How long after the trooper starts the chase does he overtake the speeding car
*September 25, 2013 by Sara*

**Physics**

A car traveling at a constant speed of 33.4 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 3.28 m/s2 How long after the trooper starts the chase does he overtake the speeding car
*September 25, 2013 by Sara*

**Physics**

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.56 m/s. The car is a distance d away. The bear is 26.6 m behind the tourist and running at 7.69 m/s. The tourist reaches the car safely. What is the maximum possible value for d?
*September 16, 2014 by Dakkota*

**physics**

a tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.0m/s. the car is d distance away. the bear is 26.0m behind the tourist and running at 6.0m/s. the tourist reaches the car safely. what is the maximum possible value for d.
*September 28, 2014 by beatrice*

**physics**

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.04 m/s. The car is a distance d away. The bear is 17.5 m behind the tourist and running at 7.26 m/s. The tourist reaches the car safely. What is the maximum possible value for d?
*March 18, 2015 by Kristyn*

**Physics**

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 3.24 m/s. The car is a distance d away. The bear is 31.1 m behind the tourist and running at 4.50 m/s. The tourist reaches the car safely. What is the maximum possible value for d?
*June 12, 2015 by Beth*

**Physics**

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 6.54 m/s. The car is a distance d away. The bear is 26.0 m behind the tourist and running at 10.4 m/s. The tourist reaches the car safely. What is the maximum possible value for d?
*August 11, 2015 by Ben*

**physics**

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 6.27 m/s. The car is a distance d away. The bear is 32.1 m behind the tourist and running at 9.06 m/s. The tourist reaches the car safely. What is the maximum possible value for d?
*September 20, 2015 by Hannah*

**Physics**

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 6.04 m/s. The car is a distance d away. The bear is 28.8 m behind the tourist and running at 7.26 m/s. The tourist reaches the car safely. What is the maximum possible value for d?
*December 16, 2015 by Courtney*

**physics**

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 3.55 m/s. The car is a distance d away. The bear is 17.1 m behind the tourist and running at 4.84 m/s. The tourist reaches the car safely. What is the maximum possible value for d?
*January 31, 2016 by Kim*

**physics**

A cannon on a railroad car is facing in a direction parallel to the tracks (the figure below ). It fires a 99-kg shell at a speed of 105 m/s (relative to the ground) at an angle of 60 above the horizontal. If the cannon plus car have a mass of 4.6 104 kg, what is the recoil ...
*February 25, 2011 by Renee*

**Algebra**

Yolanda is buying a car with a base price of $16,750. She must also pay the options, fees, and taxes shown. The car dealership will give her 48 months to pay off the entire amount. Yolanda can only afford to pay $395 each month. Will she be able to buy the car? Explain
*October 6, 2014 by Ms. Stephie*

**Math**

Suppose that a cyclist began a 450 mi ride across a state at the western edge of the state, at the same time that a car traveling toward it leaves the eastern end of the state. If the bicycle and car met after 7.5 hr and the car traveled 30.4 mph faster than the bicycle, find ...
*November 29, 2015 by Daniel*

**Physics**

A race car moves such that its position fits the relationship x = (5.0 m/s)t + (0.75 m/s3)t3 where x is measured in meters and t in seconds. (a) Plot a graph of the car s position versus time. (b) Determine the instantaneous velocity of the car at t = 4.0 s, using time ...
*August 8, 2009 by annemarie*

**physics**

A race car moves such that its position fits the relationship x = (5.0 m/s)t + (0.75 m/s3)t3 where x is measured in meters and t in seconds. (a) Plot a graph of the car s position versus time. (b) Determine the instantaneous velocity of the car at t = 4.0 s, using time ...
*August 8, 2009 by annemarie*

**Physics**

The speed limit in a school zone is 40 km/h. A driver traveling at this speed sees a child run into the road 23 m ahead of hs car. He applies the brakes, and the car decelerates at a uniform rate of 8.0m/s^2. if the driver's reaction time is .25s, will the car stop before ...
*September 3, 2009 by Anonymous*

**Physics**

A car is traveling around a horizontal circular track with radius r = 240 m at a constant speed v = 25 m/s as shown. The angle èA = 34° above the x axis, and the angle èB = 65° below the x axis. I found the car's acceleration to be 2.6 m/s^2 (a=v^2/r). Now I need to know the x...
*September 11, 2010 by Joy*

**physics **

A car rolls down a 13.0° slope for 50.0 m, accelerating at 2.90 m/s2. Leaving the cliff at 13.0° below the horizontal, with the velocity it acquired from rolling downhill, the car falls 26.0 m to the rocks below, bursting into flame upon impact. What horizontal distance from ...
*October 30, 2010 by john*

**Physics**

A car sounding its horn (rated by the manufacturer at 600 Hz) is moving at 20 m/s toward the eat. A stationary observer is standing due east of the oncoming car. a) What frequency will he hear assuming that the speed of sound is 343 m/s? b) What if the observer is standing due...
*February 3, 2013 by Patty*

**Algebra**

Two cars start at the same point at Alexandria, verginia, and travel 2 opposite directions. One car travels 5 miles per hour faster than the other car. After 4 hours, the two cars are 420 miles apart. Find the speed of each car.
*March 28, 2013 by Lora*

**physics**

As soon as the stop light changes from red to green, a car at rest at the intersection accelerates with a constant acceleration of 2.2 m/s/s. At the same moment, a truck passes by, moving at a constant speed of 9.5 m/s. How far beyond the intersection will the car catch the ...
*January 31, 2014 by Cheylynne*

**physics**

A driver of a car travelling along a straight road with a speed of 72k.m./hour . Observes a sign board which gives the speed limit 54k.m./h.the signboard is 70m ahead when the driver applies break . Calculate the acceleration the car which will cause the car to pass the ...
*June 10, 2014 by pari*

**Physical sciences**

A car starting from rest accelerates. Uniformly for 5sec reaches a velocity of 12m.s-1.it then maintains this velocity for 4sec,after which the brakes are applied to bring the car to rest over a distance of 24m. 1.calculate the uniform acceleration experienced by the car in ...
*February 12, 2015 by Pearl Motaung*

**PHYSICS**

How do I solve this? A mine car (mass=380 kg) rolls at a speed of 0.50 m/s on a horizontal track, as the drawing shows. A 170-kg chunk of coal has a speed of 0.92 m/s when it leaves the chute (at a 25 degree incline). Determine the speed of the car–coal system after the coal ...
*April 26, 2015 by KS*

**Math Please Check It**

(2sqrtx)(5sqrtx^3) Here is what I got:10sqrtx^4 *Is this correct.? This one is close but still needs to be simplified further. 10√x^4 -->you can take the square root of x^4. Can you take it from here to finish? so it will be:10sqrtx^2 No, remember you are taking the ...
*February 6, 2007 by Margie*

**science**

A race car travels northward on a straight, level track at a constant speed, traveling 0.777 km in 16.6 sec. The return trip over the same track is made in 21.7 sec. What is the average velocity of the car for the FIRST leg of the trip? What is the average velocity of the car ...
*February 5, 2012 by Anonymous*

**College Physics**

How long does it take an automobile traveling in the left lane of a highway at 60.0 km/h to overtake (become even with) another car that is traveling in the right lane at 20.0 km/h when the cars' front bumpers are initially 75 m apart?
*July 5, 2010 by Austin*

**College Physics**

How long does it take an automobile traveling in the left lane of a highway at 60.0 km/h to overtake (become even with) another car that is traveling in the right lane at 20.0 km/h when the cars' front bumpers are initially 75 m apart?
*July 5, 2010 by Austin*

**physics**

If a car moving at 76.0 mph takes 500 ft to stop with uniform acceleration after its brakes are applied, how far will it take to stop under the same conditions if its initial velocity is 38.0 mph?.
*January 24, 2011 by MEL B*

**Math **

How long does it take an automobile traveling in the left lane of a highway at 70.0 km/h to overtake (become even with) another car that is traveling in the right lane at 20.0 km/h when the cars' front bumpers are initially 110 m apart? s
*February 14, 2012 by anonymous*

**math**

a car traveling in a straight line has a initial velocity of 12.0 m/s.zoe steps on the gas and accelerates at at rate of 2 m/s2.The care ends up with a final velocity of 20.0 m/s.how long did it take zoe to reach this speed
*October 1, 2014 by michael*

**Math**

A new car depreciates an average of 22% in its first year of use. If the car was worth $16,000 when it was new, what will the car be worth after 1 year?
*January 23, 2009 by Ali*

**math**

A new car depreciates an average of 22% in its first year of use. If the car was worth $16,000 when it was new, what will the car be worth after 1 year?
*April 11, 2009 by sw*

**Finance**

A new car depreciates an average of 22% in its first year of use. If the car was worth $16,000 when it was new, what will the car be worth after 1 year?
*January 16, 2010 by landi*

**algebra**

A scale used for a model car is one inch for every 2.5 feet. If the car is originally 7.25 feet long, how long will the model car be?
*September 22, 2011 by Anonymous*

**physics**

(a) A car with a mass of 950 kg is moving to the right with a constant speed of 1.45 m/s. What is the total force on the car? (b) What is the total force on the car if it is moving to the left?
*February 21, 2014 by Anon*

**Accident Investigation: Law+Physics**

What exactly do these following driving violations mean? I'm not a driver, so I'm not entirely sure of their meanings... -Following too closely [does that count if a car crashes into another?] -Reckless driving [does that count if a car crashes into another?] -Inadequate ...
*January 12, 2012 by Cicilia*

**Accident Investigation: Law+Physics**

What exactly do these following driving violations mean? I'm not a driver, so I'm not entirely sure of their meanings... -Following too closely [does that count if a car crashes into another?] -Reckless driving [does that count if a car crashes into another?] -Inadequate ...
*January 12, 2012 by Cicilia*

**PHYSICS**

A car traveling at a constant velocity of 30.0 m/sec passes an intersection at time t=0. 45 seconds later a second car passes the same intersection and its traveling in the same direction at a constant velocity of 55 m/sec. when does the second car overtake the first car? how ...
*October 16, 2011 by Daniel*

**PHYSICS**

a car traveling at a constant velocity of 30 m/sec passes an intersection at time t=0 45 seconds later a second car passes the same intersection and its traveling in the same direction at a constant velocity of 55 m/sec. when does the second car overtake the first car? how far...
*October 17, 2011 by PHY*

**physics**

a 1200-kg automobile travels at a speed of 90-km/h (a)what is the kinetic energy? (b) what is the net work that would be required to bring it to a stop?
*January 26, 2008 by melissa*

**Math**

Estimate. Choose a rounding digit that gives one or two nonzero digits. 18 x 61 a) 1200 b) 120 c) 2400 d) 12
*April 23, 2008 by Angelina*

**History**

Write the centuries and period (AD/BCE)each of the following date from AD2000 I.1200 years ago II.500years to come.
*April 30, 2015 by kurangam*

**Math**

What price should asha mark on a pair of shoes which cost him 1200 so as to gain 12%after allowing a discount of 16%
*November 27, 2015 by Ashy*

**math**

Which car gives the better gasoline mileage in making the same trip: the car that goes 340 miles on 10 gallon of gasoline or the car that goes 500 miles on 15 gallons of gasoline?
*July 15, 2009 by Nadia23*

**math**

Which car gives the better gasoline mileage in making the same trip: the car that goes 340 miles on 10 gallon of gasoline or the car that goes 500 miles on 15 gallons of gasoline?
*July 15, 2009 by Jessie*

**physics**

The speedometer on an automobile measures the rotational speed of the axle and converts that to a linear speed of the car, assuming the car has 0.62-m-diameter tires. What is the rotational speed of the axle when the car is traveling at 26m/s ?
*March 9, 2015 by Please Help*

**economics**

You have been hired by a local used car dealer to help in their pricing of used cars. (Hey, it’s temporary thing, just to help you earn some extra cash.) They want to know whether the prices of the cars they sell are more influenced by the age of the car or by the mileage on ...
*September 7, 2012 by Rey*

**physics**

How would I find the acceleration of a car if it traveled 1.5 meters in one second? If it is accelerating at a constant rate with zero initial velocity, then use the formula X = (1/2) a t^2 and solve for the acceleration, a. X = 1.5 m, and t = 1 s. It could be not accelerating...
*September 22, 2006 by anonymous*

**physics**

A certain sports car accelerates from 0 to 60 mph in 9.0 s (average acceleration = 3.0 m/s2). The mass of the car is 1354 kg. The average backward force due to air drag during acceleration is 280 N. Find the forward force required to give the car this acceleration.
*August 17, 2011 by Anonymous*

**gen physics**

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 3.71 m/s. The car is a distance d away. The bear is 30.0 m behind the tourist and running at 4.49 m/s. The tourist reaches the car safely. What is the maximum possible value for d?
*July 2, 2013 by ODU*

**math**

A small firm produces AM and AM/FM car radios. The AM radios take 15 hours to produce, and the AM/FM radios take 20 hours. The number of production hours is limited to 300 hours per week. The plant’s capacity is limited to a total of 18 radios per week, and existing orders ...
*January 22, 2008 by amy*

**math,help**

I need help with thisone solve: ((x)/(5x+10))+ ((x-3)/(x+2)) = (7)/(5) Let's take that first part: (x)/(5x+10) In the denominator, factor out "5" That leaves that part as: x/(5(x+2)) So now we have: ((x)/5(x+2)) + ((x-3)/(x+2)) = 7/5 We can multiply BOTH sides by 5 to leave ...
*April 19, 2007 by jasmine20*

**Chemistry**

how can i find out how many moles of oxygen are in 9.85g of (NH4)2CO3 ? i want to know what steps to take and in what order.. please help
*June 24, 2011 by michelle*

**Puntuation**

Dwayne had planned to take the last flight out to Chicago. It was cancelled, however, because of bad weather
*July 21, 2014 by Anonymous*

**Physics**

1. a car traveling on a dry road with a velocity of +32.0m/s. The driver slams on the breaks and skids to a halt with an acceleration of -8.00m/s^2. on an icy road the car would have skidded to a halt with an acceleration of -3.00m/s^2. how much further would the car have ...
*October 12, 2010 by Amy*

**college Physics**

A car is traveling at 7.0 m/s when the driver applies the brakes. the car move 1.5m before it comes toa complete stop. if the car had been moving at 14m/s how far would it have continued to move after the brakes were applied? assume the braking force is constant. what is the ...
*October 10, 2010 by Elizabeth*

**College Physics**

A person who is properly constrained by an over-the shoulder seat belt has a good chance of surviving a car collision if the deceleration does not exceed about 30 "g"s (1.0 g= 9.8m/s^2) Assumind uniform deceleration of this calue calculate the distance over which the front end...
*July 2, 2012 by Natalie*

**Physics- Elena please help!**

A 2300. kg car starts from rest and accelerates uniformly to 24.0 m/s in 24.0 s. Assume that air resistance remains constant at 510 N during this time. Find (a) the net force on the car b) the average power developed by the engine? c) the instantaneous power output of the ...
*October 8, 2012 by Anonymous*

**Physics**

The cars (2 cars) are pulling a vault out of the wall of a police station. What is the acceleration and velocity from rest? This question comes from the vault heist scene in the movie Fast 5. you can use what even distance and time to find it. The weight of the car and vault ...
*April 17, 2014 by Renee ( PLEASE HELP ME)*

**Physics**

A car is driven at a constant speed of 21 m/s (76km/h) down a road. The car's engine delivers 52 kW of power. Calculate the average force of friction that is resisting the motion of the car. My thinking: Convert 52 kW to 5200 W. Force of friction = force applied because there ...
*November 14, 2007 by Einstein*

**Math**

19. Mr. Green teaches band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 48 students who take either band or choir or both. There are 9 students who take both math and choir with Mr. Green. Use ...
*May 21, 2014 by Sebby-Chan*

**Physics**

A car traveling at a constant speed of 33 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 2.62 m/s^2. How long after the trooper starts the chase does he overtake the speeding car? (answer in units of s)
*August 28, 2011 by Bethany*

**Physics**

A car traveling at a constant speed of 33 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 2.62 m/s^2. How long after the trooper starts the chase does he overtake the speeding car? (answer in units of s)
*August 28, 2011 by Bethany*

**Physics**

A car traveling at a constant speed of 39.6 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 2.25 m/s^2 . How long after the trooper starts the chase does he overtake the speeding car? Answer in units of s
*September 9, 2012 by Joe*

**math**

when a traffic light turns green, a car accelerates at a constant rate, the decelerates in the same manner to stop at the next traffic light. The speed of the car, s, is given by the equation, s=-10 /t-8/ + 80 where t is time. Find the time , t, it takes for the car to reach ...
*November 16, 2014 by anna*

**physics**

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.09 m/s. The car is a distance d away. The bear is 20.9 m behind the tourist and running at 6.04 m/s. The tourist reaches the car safely. What is the maximum possible value for ...
*September 7, 2015 by Alex*

**physics**

Chapter 02, Problem 09 A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 6.04 m/s. The car is a distance d away. The bear is 28.8 m behind the tourist and running at 7.26 m/s. The tourist reaches the car safely. What is the ...
*December 16, 2015 by trish*

**English**

They ran out of oil. They ran out of food. They ran out of rice. They ran out of money. They ran out of pens. He ran out of paper. He ran out of grocery. The food is running out. The oil is running out. The rice is running out. His money is running out. (Are they all ...
*May 17, 2010 by rfvv*

**physics**

A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 19.0° below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a constant acceleration of 3....
*September 11, 2010 by Alicia*

**physics**

A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 19.0° below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a constant acceleration of 3....
*September 11, 2010 by Alicia*

**troy**

A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 15.0° below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a constant acceleration of 2....
*September 24, 2013 by d*

**CHEMISTRY**

Chromium plating is done using a dichromate solution. How long would it take to plate 1.0x10-2mm thick onto a car bumper with surface area 0.25m^2 in a 25.0 Amp electrolytic cell? (density of chromium is 7.19g/cm^3)
*May 30, 2013 by PreMed33*

**PLEASE HELP ME WITH PHYSICS!!**

A truck is traveling at 16 m/s to the north. The driver of a car, 500 m to the north and traveling south at 25 m/s, puts on the brakes and slows at 3.5 m/s2. Where do they meet? The truck has constant velocity of 16m/s. The car is 500m away, has velocity of 25m/s and ...
*September 26, 2006 by Katelyn*

**7 grade math**

a scale model race car is 11in. long,3in. wide,2in. tall.the actual race car is 22ft. how wide is the actual race car?
*April 21, 2010 by Peyton*

**Physics**

A stationary observer hears a sound with a frequency of 450 Hz from an approaching car. If the car emits the sound at a frequency of 360 Hz, what would be the speed of the car? (Speed of sound 340 m/s)
*February 6, 2015 by Bob*

**Physics**

A car's bumper is designed to withstand a 6.84-km/h (1.9-m/s) collision with an immovable object without damage to the body of the car. The bumper cushions the shock by absorbing the force over a distance. Calculate the magnitude of the average force on a bumper that collapses...
*July 9, 2015 by Karina*

**World History**

Can someone please help me found out the answer to this question. Discuss the relationship between inequality and war from the time of the earliest cities (roughly 4000 BC) to the end of the Bronze Age (roughly 1200 BC). You may consider any form of inequality in any group of ...
*October 11, 2015 by Morgan*

**Financial Math**

Suppose that you decide to lease a car. At the end of the 48-month lease period, you need to make a lump-sum payment of $5000 if you want to keep the car. You decide to save up, just in case you decide to keep the car; if you don’t keep this car, you will still have saved a ...
*April 9, 2012 by John*

**Wavelength PLEASE HELP**

Calculate the wavelength of the signal sent by Q101 assuming that the actual frequency is 101.1 MHz. Determine how long it would take the signal to reach a car 33.4km away from the station. THANK YOU!
*May 22, 2013 by Mike Jones*

**Physics**

At t = 0, an automobile traveling north begins to take a turn. It follows one-quarter of the arc of the circle of radius 9.8 m until, at t = 1.38 sec, it is traveling east. The car does not alter its speed during the turn.
*September 23, 2013 by Jenn*

**Economics (attempted as suggested by economyst)**

Posted by eStone on Sunday, March 29, 2009 at 5:47pm. Suppose that a firm is currently employing 30 workers, the only variable input, at a wage rate of $60. The average product of labor is 30, the last worker added 12 units to total output, and total fixed cost is: $3,600. a. ...
*March 30, 2009 by eStone*

**math**

suppose that the gas tank of a car holds 12 gallons and that the car uses 1/ 20 of a gallon per mile .let x be the nuber of miles the car has gone since the tank was filled? (1/20x)= 12 so now get x by itslef! (1/20x)/ (1/20)= 12/(1/20) x= 240! yeah I am good! that is good! ...
*October 30, 2006 by jess*

**st joseph school**

when a traffic light turns green, a car accelerates at a constant rate, the decelerates in the same manner to stop at the next traffic light. The speed of the car, s, is given by the equation, s=-10 /t-8/ + 80 where t is time. Find the time , t, it takes for the car to reach ...
*March 17, 2013 by cj*

**physics**

A delivery truck with a mass of 1700 kg is stopped in the street w/o its brakes on, when a small car hits it from behind. The car has a mass of 650 kg, and is traveling at 3.7m/s immediately before it hits the truck. Both the car and the truck have good bumpers, so assume the ...
*November 10, 2010 by aok*

**Social studies **

Which of the following accurately describes a surplus? Consumer demand for a certain car is below the number of cars that are produced. The production costs for a certain car are below the sale price of that car. A car company tries to charge too high a price for a car and has...
*March 13, 2012 by Jen*

**English**

1. I will go to Haeundae Beach to take a walk at the beach. 2. I will go to Haeundae Beach to take a walk on the beach. (Which preposition do I have to use? At or on? Are both OK?) 3. I will iron my clothes in the bedroom. 4. I will mop the floor and clean the floor with wax. ...
*August 27, 2009 by John*

**physics **

A car has a maximum acceleration of 4.6m/s2 . What will the maximum acceleration be if the car is towing another car of the same mass?
*October 19, 2013 by Anonymous*

**physics **

A car has a maximum acceleration of 4.6m/s2 . What will the maximum acceleration be if the car is towing another car of the same mass?
*October 20, 2013 by Anonymous*

**AP Physics**

A 1050kg car has four 15kg wheels. When the car is moving, what fraction of the total kinetic energy of the car is due to the rotation of the wheels about their axles? Assume that the wheels have the same rotational inertia as uniform disks of the same mass and size. Also, why...
*February 8, 2008 by Bernadette*

**maths**

a car is traveling at 100km/hr and rounds a slight curve to the right of 30 degrees. the driver hits a mailbox of 80kgs on the curb with the left front of his car. how far does the mailbox move and in what direction to the car's travel does it move. thank you for your help. p....
*December 26, 2011 by cisco*

**physics**

a car is moving on a horizontal frictionless road and reches base of an upslope . what should be the speed of the car at the base of the upslope so that it can just reaCH its top without external force applied to it.(length of slope=15m, angle of slope=30degree, mass of car=...
*May 22, 2012 by anupriya*