Tuesday

January 27, 2015

January 27, 2015

Number of results: 36,678

**physical science**

How much time should be allowed for a 392-km car trip if the car will be traveling at 120 km/h?
*December 4, 2009 by sandy*

**physics**

A 55 kg student traveling in a car with a constant velocity has a kinetic energy of 1.6 104 J. What is the speedometer reading of the car in km/h?
*September 17, 2010 by Steven*

**physical science**

A student is traveling in a car with a constant velocity has a kinetic energy 1.0 x 10^4 J. What is the speedometer reading of the car in km/h.
*February 20, 2011 by sandy*

**PHYSICS**

A 70 kg student traveling in a car with a constant velocity has a kinetic energy of 1.4 104 J. What is the speedometer reading of the car in km/h?
*February 20, 2011 by CHRISTINE*

**Physics**

a 1000 kg car traveling at 30 m/s suddenly stops in 5 seconds. how much force was used to stop the car?
*April 13, 2011 by Kay*

**Applied Physics**

A car is traveling at 20 meters per second. The driver steps on the brake. The car is in equilibrium
*May 14, 2011 by EJ*

**Physics**

A car is traveling at 24.4 m/s. If the driver has a reaction time of 1 second, what will be his stopping distance if his car slows down at 8 m/s2?
*September 19, 2013 by Joseph*

**physics**

A car traveling at2.24m/s skids and stops in 2.55s determine the skidding distance of car
*June 30, 2014 by Anonymous*

**math**

a car traveling 8 m/s suddenly brakes to a complete stop. THe stopping time was .36 seconds. what is the acceleration of the car?
*November 24, 2014 by Hailey*

**math**

A motorcycle leaves colorado springs, colorado, traveling north on I25 at an average speed of 47 mph. one hour later, a car leaves colorado springs, traveling south on I-25 at an average speed of 54 mph. How long after the motorcycle leaves will it take until they are 52 miles...
*March 5, 2013 by kelly*

**11th grade**

While driving his sports car at 20.0 down a four lane highway Eddie comes up behind a slow-moving dump truck abd decides to pass it in the left lane. If Eddie can accelerate at 5.00 m/s^2, how long will it take for him to reach a speed of 30.0 m/s?
*September 1, 2010 by SH*

**Physics**

A car (mass = 1150 kg) is traveling at 32 m/s when it collides head-on with a sport utility vehicle (mass = 2550 kg) traveling in the opposite direction. In the collision, the two vehicles come to a halt. At what speed was the sport utility vehicle traveling?
*April 1, 2008 by Will*

**Physics**

A car (mass = 1180 kg) is traveling at 36 m/s when it collides head-on with a sport utility vehicle (mass = 2380 kg) traveling in the opposite direction. In the collision, the two vehicles come to a halt. At what speed was the sport utility vehicle traveling?
*February 22, 2011 by Lauren*

**Physics**

A car (mass = 1070 kg) is traveling at 40 m/s when it collides head-on with a sport utility vehicle (mass = 2570 kg) traveling in the opposite direction. In the collision, the two vehicles come to a halt. At what speed was the sport utility vehicle traveling?
*November 9, 2011 by Taylor*

**physics**

A car (mass = 1100 kg) is traveling at 33.0 m/s when it collides head-on with a sport utility vehicle (mass = 2800 kg) traveling in the opposite direction. In the collision, the two vehicles come to a halt. At what speed was the sport utility vehicle traveling?
*May 3, 2012 by !@#$%^&al*

**Physics**

A car (mass = 1080 kg) is traveling at 25.4 m/s when it collides head-on with a sport utility vehicle (mass = 2750 kg) traveling in the opposite direction. In the collision, the two vehicles come to a halt. At what speed was the sport utility vehicle traveling?
*January 2, 2013 by Tim*

**physics**

Please Help.... A car (mass = 1170 kg) is traveling at 43 m/s when it collides head-on with a sport utility vehicle (mass = 2460 kg) traveling in the opposite direction. In the collision, the two vehicles come to a halt. At what speed was the sport utility vehicle traveling?
*October 26, 2010 by baily*

**physics**

A car (mass=1100kg) is traveling at 32m/s when it collides head on with a sport utility vehicle (mass=2500kg) traveling in the opposite direction. In the collision, the two vehicles come to a halt. at what speed was the sport utility vehicle traveling.
*March 12, 2012 by Natasha*

**physics**

A car (mass=1100kg) is traveling at 32m/s when it collides head on with a sport utility vehicle (mass=2500kg) traveling in the opposite direction. In the collision, the two vehicles come to a halt. at what speed was the sport utility vehicle traveling.
*March 12, 2012 by Natasha*

**physics **

1) A car, initially traveling with a uniform velocity, accelerates at a rate of 1.0 m/s2 for a period of 12.0 seconds. If the car traveled 190.0 m during this 12.0 second period, what was the velocity of the car when it started to accelerate?
*February 10, 2013 by sana*

**Physics**

A speeder traveling at a constant speed of 102 km/h races past a billboard. A patrol car pursues from rest with constant acceleration of (9 km/h)/s until it reaches its maximum speed of 146 km/h, which it maintains until it catches up with the speeder. How long does it take ...
*January 28, 2012 by Anon*

**physics**

A car (mass = 1150 kg) is traveling at 26.7 m/s when it collides head-on with a sport utility vehicle (mass = 2030 kg) traveling in the opposite direction. In the collision, the two vehicles come to a halt. At what speed was the sport utility vehicle traveling? Include units.
*July 11, 2013 by rodney*

**physic**

Hi!Need help please. Question:A car initially traveling at 24.0 m/s undergoes a constant negative acceleration of magnitude 2.10 m/s2 after its brakes are applied. (a) How many revolutions does each tire make before the car comes to a stop, assuming the car does not skid and ...
*November 14, 2009 by Chan*

**Physics**

1580 kg car is traveling with speed of 15 m/s. What is magnitude of horizontal net force that's required to bring the car to a stop in 50 m?
*October 5, 2009 by Jenn*

**Physics**

A car is traveling a road that makes quarter of a circle with a constant speed. What is the magnitude of the average velocity of the car?
*March 1, 2011 by Jasalle*

**Physics**

A 1596 kg car traveling at 24.91 m/s skids to a halt. What is the change in the combined thermal energy of the car and the road surface?
*September 28, 2011 by Joe*

**Physics**

A 1596 kg car traveling at 24.91 m/s skids to a halt. What is the change in the combined thermal energy of the car and the road surface?
*September 29, 2011 by Joe*

**algebra**

If a car leaves a skid mark of 500 feet, how fast was the car traveling? Using the formula r=2ã5L
*April 23, 2012 by Coach*

**Physics**

A car of mass m = 1450 kg is traveling at a speed of v0 = 79 km/h (21.9 m/s). Calculate the work that must be done by the brakes to completely stop the car in kJ
*May 27, 2012 by Nate*

**physics**

If the coefficient of friction between the tires of a car and the road is 0.101, what is the minimum stopping distance of a car traveling at 78.4 km/hr?
*September 29, 2012 by Demis*

**Physics**

Suppose a 1,600 kg car is traveling at 20.0 m/s. What average force is needed to stop the car in 4.0 s? Can you explain to me how you got your answer, thank you.
*February 16, 2013 by Demere*

**Physics**

A 12,000kg railroad car traveling at 12.0m/s couples with an identical car sitting on the tracks. What is the speed of the joined card?
*April 22, 2014 by Shon*

**Physics**

A driver brings a car traveling at 22m/s to a full stop in 2 seconds. How fast does the car uniformly decelerate?
*September 14, 2014 by Spencer*

**physics**

The driver of the car traveling at a constant 25m/s sees a child suddenly run into the road. It takes the driver 0.45s to hit the brakes. As it slows, the car has a steady acceleration of 8.5m/s©ü. What the total distance the car move before it stops.
*December 9, 2010 by apol*

**Physics**

The parachute on a race car that weighs 8036 N opens at the end of a quarter-mile run when the car is traveling 39 m/s. The acceleration of gravity is 9.81 m/s2 . What net retarding force must be supplied by the parachute to stop the car in a distance of 1270 m? Answer in ...
*January 8, 2011 by James*

**Physics**

A toy car runs off the edge of a table that is 1.357 m high. If the car lands 0.442 m from the base of the table, (a) how long does it take for the car to fall? s (b) what is the horizontal velocity of the car? m/s
*October 12, 2011 by Zachy D*

**physics**

a toy car runs off the edge of a table that is 1.225 m high. if the car lands .400 m from the base of the table (A) how long does it take for the car to fall and (B) what is the horizontal velocity of the car?
*September 30, 2012 by Bob*

**math (stats)**

For a car traveling 30 mph in normal conditions, the distance required to brake to a stop is normally with a mean of 50 feet and a standard deviation of 8. you are traveling in a area at 30 mph and a car swerves into your path at a distance of 60 feet away. what is the ...
*November 17, 2014 by sarah*

**physics**

the occupants of a car traveling at 25.7 m/s become weightless for an instant when traveling over the top of a hill. Calculate the radius of curvature of hill
*November 20, 2011 by Jason*

**physics**

A person is traveling 3 m/s second south towards a car traveling 5 m/s.what is the magnitude and direction of the person?
*July 13, 2010 by Clinton*

**Algebra I**

"A car is traveling at r speed. A plane is traveling at 5r speed. When will they both reach 200 miles?"
*May 23, 2011 by Beth*

**Algebra 2**

A car enters a interstate highway 15 mi north of the city. The car travels due north at an avrage speed of 62.5 mph. Write an equation to model the car's distance from the city after traveling for h hours.
*April 9, 2010 by Carrie*

**Physics **

A car is traveling at 14 m/s. How fast would the car need to go to double its kinetic energy? By what factor does the car's kinetic energy increase if its speed is doubled to 28 m/s? We only get 3 chances and I'm on my last one before I get the question wrong, help?
*August 8, 2011 by falcon306*

**Physics**

During a head on car crash, the car is designed to slow down as its front end crumples. If a person can survive an acceleration of -33 m/s how far must the front end crumple if the car was initially traveling at 28 m/s?
*June 17, 2013 by Alison*

**calculus**

A car leaves an intersection traveling east. Its position t sec later is given by x = t2 + t ft. At the same time, another car leaves the same intersection heading north, traveling y = t2 + 3t ft in t sec. Find the rate at which the distance between the two cars will be ...
*October 19, 2011 by sal*

**Physics**

A 1200 kg car pushes a 2100 kg truck that has a dead battery to the right. When the driver steps on the accelerator, the drive wheels of the car push against the ground with a force of 4500 N . What is the magnitude of the force the car applies to the truck? What is the ...
*November 1, 2011 by Help Physics college*

**Physical Science**

What is the kinetic energy of a 1850 kg car that is traveling at 58.0 km/h? B. How much work was done to give the car this kinetic energy assuming the car starts from rest? C. How much work must be done to stop the car?
*September 10, 2014 by Barbara*

**Physics**

A force of -9200 N is used to stop 1500 kg car traveling at 23 m/s. What braking distance is need to bring the car to a halt?
*September 19, 2007 by Anonymous*

**Physics**

A car slams on its brakes, coming to a complete stop in 4 sec. The car was traveling north at 60 mph. Calculate the acceleration
*September 13, 2010 by April*

**physics**

A 2100 kg car rounds a curve of 67 m banked at an angle of 13. If the car is traveling at 105 km/h, will a friction force be required? If so, in what direction?
*October 29, 2010 by Emma*

**physics**

A 1790-kg car is traveling with a speed of 15.6 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 78.4 m?
*January 27, 2011 by brian*

**physics**

A 1790-kg car is traveling with a speed of 15.6 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 78.4 m?
*January 28, 2011 by Anonymous*

**kbcc**

A car is initially traveling at 5 m/s when its begins its ascent up a 30 degree incline.how far up does the car travel before coming to rest
*April 5, 2011 by serge *

**physics**

6. A 1580 kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 50.0 m?
*August 9, 2011 by rawaf*

**physics**

A 1340 kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 51.5 m?
*September 14, 2011 by phillip*

**Physics**

What is the impact speed when a car moving at 95km/h bumps into the rear of another car traveling in the same direction at 93km/h?
*October 12, 2011 by Sarah*

**physics**

A force of -9000 N is used to stop a 1500kg car traveling at 20 m/s. What braking distance is needed to bring the car to a halt?
*November 1, 2011 by Bobbie*

**physics**

if a car generates 18 hp when traveling at a steady 88 km/h, what must be the average force exerted on the car due to friction and air resistance
*December 9, 2011 by eli*

**Physics**

What is the impact speed when a car moving at 114.0 km/h bumps into the rear of another car traveling in the same direction at 104.5 km/h?
*January 26, 2012 by Paige*

**physics**

A 1370 kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 49.5 m?
*February 28, 2012 by u/a*

**Physics**

A 1560 kg car is traveling with a speed of 14.5 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 53.3 m?
*September 21, 2012 by Kellie*

**Physics 1**

A 1720-kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 47.0 m?
*October 3, 2012 by Anonymous*

**Physics**

A 1720-kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 47.0 m?
*October 3, 2012 by Donald*

**physics**

A 1720-kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 47.0 m?
*October 8, 2012 by Donald*

**physics**

A 1720-kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 47.0 m?
*October 9, 2012 by Donald*

**physics**

A 1523.7 kg car traveling with a speed of 20.8 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 53.5 m?
*September 20, 2013 by paul*

**algebra**

Car A leaves a certain point traveling at an average speed of 40 mph. 3 hours later, car B leaves the same point traveling at an average speed of 55 mph. How soon will B catch up to A? 4 6 8 10
*May 19, 2013 by Callie*

**psychology**

what would the dependent and independent variable and control and experimental group be in this problem: John is intrigued by the relationship between frustration and aggression. He proposes to study whether socioeconomic status is a factor in how drivers express their ...
*September 18, 2007 by Lydia*

**Physics still don't get it**

Given: g=9.81 m/s square. The parachute on a race car that weighs 8042 N opens at the end of a quarter-mile run when the car is traveling 35 m/s. What net retarding force must be supplied by the parachute to stop the car in a distance of 1020 m? Answer in units of N.
*February 25, 2008 by Anonymous*

**Physical Science 2**

The attraction or pull of a person's body toward the earth, by the earth is called weight. The reaction to this force is the: My answer is B A. earth's surface pushing against the person's body B. person's body pulling on the earth C. person's body pushing against the earth's ...
*December 31, 2010 by Toni*

**math**

The tow truck was towing a car, the car is 10 ft long and cast a shadow 23 ft long if the tow truck is 17 ft long how long is the shadow of the tow truck
*November 8, 2012 by cindy*

**Physics**

Jenny and Betty are having a great time at Busch Gardens riding the Ubanga Banga bumper cars. Jenny, who is traveling southward in her bumper cars, aims her cars toward Betty, who is traveling northward in her bumper car. The cars collide and briefly come to a stop. What is ...
*March 10, 2009 by Jill*

**physics**

The car stationary in front of a red traffic light. As the light turns green , a truck goes past at a constant velocity of 1.5 m/s. At the same moment , the car begins to accelerate at 1.25 m/s 2 . When it reaches 2.5 m/s the car continues at this velocity . When does the car ...
*October 31, 2014 by rah*

**physics**

The car stationary in front of a red traffic light. As the light turns green , a truck goes past at a constant velocity of 1.5 m/s. At the same moment , the car begins to accelerate at 1.25 m/s 2 . When it reaches 2.5 m/s the car continues at this velocity . When does the car ...
*October 31, 2014 by Anonymous*

**Math help**

9). Hookes Law. The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object. If the distance is 29 cm when the weight is 4 kg what is the distance when the weight is 9 kg? 10). Find the variation constant and an equation of ...
*May 28, 2010 by jim*

**Physics**

A car with a mass of 1700 kg is traveling directly northeast (45 degrees between north and east) at a speed of 14m/s (31mph), and collides with a smaller car with a mass of 1300kg that is traveling directly south at a speed of 18m/s (40mph). The two cars stick together during ...
*April 2, 2011 by Anonymous*

**Science**

A car is traveling at 15 m/sec. Ten minutes later it is traveling at 70 m/sec. What is the acceleration?
*May 2, 2010 by Jordan*

**physics**

How long, in seconds, is required for a car traveling at a speed of 32 km/hr to travel 110 m?
*March 19, 2012 by Anonymous*

**Physics**

The speedometer of your car shows that you are traveling at a constant speed of 35 m/s. Is it possible that your car is accelerating? yes no If so, explain how this could happen. see the above post.
*March 20, 2007 by Mary*

**physics**

A car is traveling with a constant speed 80 miles per hour a road that makes half a circle. What is the average velocity of the car?
*May 24, 2010 by ray*

**physics**

A car is traveling a road that includes two sides of an equilateral triangle with a constant speed s. What is the magnitude of the average velocity v of the car?
*March 8, 2011 by sandhu*

**physical science**

A car slams on its brakes, coming to a complete stop in 4.0 sec. The car was traveling north at 60.0 mph. Calculate the acceleration.
*June 27, 2011 by pat*

**Physics**

If a car his traveling 24.5 m/s east, and the driver looks down at a text for 3 seconds, how many meters will the car travel during that time period.
*October 9, 2011 by Dawn*

**Physics**

A 980 kg car traveling at 20 m/s rounds a curve of radius 40 m. What is the friction force that must act on the car to keep it in its circular path?
*November 16, 2012 by Mark*

**Physics**

An 800-kg car traveling in a straight line at a speed of 30 m/s applies its brakes. During braking, there is a net force of 2000 N in the horizontal direction on the car. What distance will the car move from the time it applies its brakes until it has stopped?
*February 13, 2012 by Jub jub*

**physics**

Near San Francisco, where the vertically downward component of the earth's magnetic field is 4.7 10-5 T, a car is traveling forward at 26 m/s. The width of the car is 1.7 m. (a) Find the emf induced between the two sides of the car. V (b) Which side of the car is positivethe ...
*March 22, 2013 by purplegoddess*

**calculus**

Two roads intersect at an angle of 48º. A car and truck collide at the intersection, and then leave the scene of the accident. The car travels at 100 km h down one road, while the truck goes 80 km h down the other road. Fifteen minutes after the accident, a police helicopter ...
*April 15, 2010 by lALA*

**Physics**

If the force of the road on the car's wheels, pushing it forward, is a constant 3.5 kN, and the car's mass is 2 kg, then how long will the car take to go from 15 m/s to 50 m/s?
*February 14, 2013 by Adelaide*

**physics**

A driver traveling at 25 mph in a school zone can brake to an emergency stop in 8 ft. Under similar conditions, what would be the braking distance if the car were traveling at 40 mph?
*September 12, 2011 by Jose*

**Physics**

At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 10.9 m until, at t = 1.56 s, it is traveling east. The car does not alter its speed during the turn. Find the car's speed. Find the change in its velocity ...
*February 7, 2010 by Max*

**physics**

At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 9.3 m until, at t = 1.38 s, it is traveling east. The car does not alter its speed during the turn. (a) Find the car's speed. (b) Find the change in its ...
*February 14, 2010 by candace*

**physics**

At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 10.1 m until, at t = 1.64 s, it is traveling east. The car does not alter its speed during the turn. (a) Find the car's speed. (b) Find the change in its ...
*January 28, 2014 by Colin *

**Physics -Impulse- part 2**

1) A 0.50 kg object is at rest. A 3.00 N force to the right acts on the object during a time interval of 1.50 s a) What is the impulse? b) What is the velocity of the object at the end of this time interval? 2) A 2250 kg car traveling to the west at 20.0 m/s slows down ...
*February 24, 2013 by Isis*

**Physics !!**

3)A car increases its speed from 5 m/s to 35 m/s in a distance of 75 m a)what is the acceleration of the car? b)How long did it take the car to travel the 75 m? someone PLEASE help me willyah!
*June 10, 2012 by Anonymous*

**Physics**

I'm given two cars A and B Car A is 1100 kg and traveling at 11 m/s Car B is 1400 kg and traveling at 15 m/s and I'm asked to fidn the velocity of both is just the net velocity 4 m/s ??? I'm also to find the impulse and how would I do that??? impulse is chang in momentum over ...
*June 17, 2009 by Physics*

**trig**

A race driver has a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration whose magnitude is 5.5 m/s^2; after 3.6 s he enters the main speedway. At the same instant, another car on the speedway and traveling at a constant ...
*February 5, 2012 by Anonymous*

**Physics**

The speed limit on a particular freeway is 28.0 m/s (about 101 km/hour). A car that is merging onto the freeway is capable of accelerating at 6.50 m/s2. If the car is currently traveling forward at 13.0 m/s, what is the shortest amount of time it could take the vehicle to ...
*November 29, 2010 by Mike*

**Physics**

The speed limit on a particular freeway is 28.0 m/s (about 101 km/hour). A car that is merging onto the freeway is capable of accelerating at 6.50 m/s2. If the car is currently traveling forward at 13.0 m/s, what is the shortest amount of time it could take the vehicle to ...
*November 29, 2010 by Thomas*

**Physics**

The speed limit on a particular freeway is 28.0 m/s (about 101 km/hour). A car that is merging onto the freeway is capable of accelerating at 5.50 m/s2. If the car is currently traveling forward at 13.0 m/s, what is the shortest amount of time it could take the vehicle to ...
*September 19, 2011 by Jane *

**physics**

At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 9.3 m until, at t = 1.38 s, it is traveling east. The car does not alter its speed during the turn. (a) Find the car's speed. ___ m/s (b) Find the change in ...
*February 8, 2010 by Cindy*

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