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November 27, 2014

Search: What was the average speed in km/h of a car that travels 400.0 km in 4.5h?

Number of results: 37,889

physics
A car is driven at a constant speed of 79 km/h down a road. The car's engine delivers 47 kW of power. Calculate the average force that is resisting the motion of the car.
December 12, 2011 by Anonymous

Physics
A car is driven at a constant speed of 85 km/h down a road. The car's engine delivers 49.2 kW of power. Calculate the average force that is resisting the motion of the car.
March 21, 2012 by Becky

physics
A bus accelerates at 1.4 m/s2 from rest for 10 s. It then travels at constant speed for 26 s, after which it slows to a stop with an acceleration of magnitude 1.4 m/s2. (a) What is the total distance that the bus travels? (b) What was its average velocity?
August 17, 2011 by Laura

Physics
A car travels at a constant speed around a circular track whose radius is 2.5 km. The car goes once around the track in 430 s. What is the magnitude of the centripetal acceleration of the car? m/s2
April 2, 2008 by Will G

Physics
A car travels at a constant speed around a circular track whose radius is 2.5 km. The car goes once around the track in 430 s. What is the magnitude of the centripetal acceleration of the car?
April 2, 2008 by Tasha

PHYSICS
A car travels at a constant speed around a circular track whose radius is 3.1 km. The car goes once around the track in 280 s. What is the magnitude of the centripetal acceleration of the car?
September 30, 2010 by Joshua

Physics
A car travels at a constant speed around a circular track whose radius is 2.9 km. The car goes once around the track in 380 s. What is the magnitude of the centripetal acceleration of the car?
October 23, 2010 by Angela

physics
A car travels at a constant speed around a circular track whose radius is 2.60 km. The car goes once around the track in 344 s. What is the magnitude of the centripetal acceleration of the car?
February 13, 2012 by Joe

physics
A car travels at a constant speed around a circular track whose radius is 2.1 km. The car goes once around the track in 320 s. What is the magnitude of the centripetal acceleration of the car? 1 m/s2
November 6, 2012 by Anonymous

physics
A 710 kg car travels along US-321. How much working is needed to keep the car traveling at a constant speed of 21.1 m/s around a curve of radius 28.2 m?
December 10, 2009 by Cory

college physcial science
a car whose inintal speed is 30m/s undergoes a constant acceleration of 5m/s2. In the first 6s after the accleration starts the car travels
July 14, 2011 by Tammie Mitchell

physics
A car travels along a straight stretch of road. It proceeds for 14 mi at 50 mi/h, then 28.3 mi at 48 mi/h, and finally 37.4 mi at 38.3 mi/h. What is the carís average velocity during the entire trip? Answer in units of mi/h Can u show the steps and answer to it, thanks.
September 27, 2011 by anon

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 :)

physic
A student throws a ball vertically upward such that it travels 6.8m to its maximum height.If it i caught at 2.4s. What is the average speed? What is the average velocity?
January 29, 2014 by bety

Physics
A speed trap is set up with two pressure-activated strips placed across a highway, 110 m apart. A car is speeding along at 33 m/s, while the speed limit is 21 m/s. At the instant the car activates the first strip, the driver begins slowing down. What minimum deceleration is ...
December 19, 2008 by Sara

physics
A certain cable car is San Francisco can stop in 10 s when traveling at maximum speed. On one occasion, the driver sees a dog a distance d m in front of the car and slams on the brakes instantly. The car reaches the dog 7.78 s later, and the dog jumps off the track just in ...
September 15, 2011 by ashley

Algebra
Tricia and janine are roommates and leave Houston on Interstate 10 at the same time to visit their families for a long weekend. Tricia travels west and Janine travels east. If Tricia's average speed is 12 mph faster than Janine's, find the speed of each if they are 320miles ...
July 28, 2011 by jj

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 acclerates uniformly from to a rest to a speed 23.7 km/h in 6.5 s.Find the car travels during the time.(Displacement with constant uniform accleration).My only problem is the conversion
September 13, 2012 by A person

ENG102
Question 1. A car moves 26 km due east then 14 km due north. It then turns along a path running north-east with 15 km, then 17 km due west. If the time for the entire journey is 2 hrs, Find; (a) the carís average speed in m/s (b) the carís average velocity in km/h
May 1, 2012 by DESMOND

University of Ghana
ē A car moves 26 km due east then 14 km due north. It then turns along a path running north-west with 15 km, then 17 km due west. If the time for the entire journey is 2 hrs. ē Find; ē (a) the carís average speed in m/s ē (b) the carís average velocity in km/h
March 23, 2013 by Daniel

physical science
A car travels through a school zone at a speed of 36 m/s was the 45 mi/h speed limit exceeded? yes or no
January 9, 2014 by Dina

Physics
A car is driven at a constant speed of 76 km/h down a road. The car's engine delivers 48 kW of power. Calculate the average force that is resisting the motion of the car. Enter a number.1 N
December 9, 2009 by Manny Aragon

Physics
7. A formula 1 racecar is capable of very quick starts (with a launch control system, that prevents the wheels from spinning during rapid acceleration)). A 2011 Ferrari (driven by none other than Agent 001) is initially at rest, and undergoes a constant acceleration of 14 m/s^...
February 13, 2013 by Navmeet

physics
A car travels due east with a speed of 35.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle of 70.0į with the vertical. Find the velocity of the rain with respect to the ...
February 17, 2011 by kia

physics
A car travels due east with a speed of 35.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle of 70.0į with the vertical. Find the velocity of the rain with respect to the ...
February 18, 2011 by Anonymous

physics
A body travels along a circular path of radius 70 m.After travelling half a revolution in 20 s find the ; 1.average velocity 2.average speed
June 21, 2011 by Saurabh

Math
what value of m will make 4x-7y=5 and 9x+my=3 parallel? a car leaves town A at 10:00 a.m. and travels at a constant speed of 40 kph towards a town B. After 30 minutes, a bus leaves town A and travels towards town B at a constant speed of 56 kph. at what time will the bus catch...
September 22, 2013 by Riza

physics
A car initially traveling eastward turns north by traveling in a circular path at uniform speed as in the figure below. The length of the arc ABC is 210 m, and the car completes the turn in 38.0 s. (a) What is the acceleration when the car is at B located at an angle of 35.0...
October 24, 2011 by carlton

physic
Average Speed 1. In the 2008 Summer Olympics, Usain Bolt won the 100-m race in 9.69 s. What was his average speed? 2. Light from the sun reaches Earth in 8.3 min. The speed of light is 3.0108 m/s. How far is Earth from the sun? 3. In Major League Baseball, the distance between...
November 3, 2011 by ray

AP Physics
To test the performance of its tires, a car travels along a perfectly flat (no banking) circular track of radius 120 m. The car increases its speed at uniform rate of at ≡ d |v| dt = 2.99 m/s 2 until the tires start to skid. If the tires start to skid when the car ...
October 24, 2012 by Noah

physics
A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 40.0 min at 85.0 km/h, 12.0 min at 95 km/h, and 35.0 min at 30.0 km/h, and spends 35.0 min eating lunch and buying gas. Determine the average speed for the ...
September 13, 2011 by gigi

Physics
The differential gear of a car axle allows the wheel on the left side of a car to rotate at a different angular speed than the wheel on the right side. A car is driving at a constant speed around a circular track on level ground, completing each lap in 20.2 s. The distance ...
March 9, 2014 by Emma

physics
A 783 kg car travels along US 321. What net force is required to keep the car traveling at a constant speed of 28.8 mph around a curve whose radius is 26.4 m?
November 20, 2009 by Alex

Physics
Hello! I was wondering if I could get some help solving this problem? A car travels at a constant speed of 10.0 m/s along a straight highway that is inclined 6.0 degrees for 11.0 s. How high vertically does the car travel?
September 23, 2010 by Gusty

Physics
Hello! I was wondering if I could get some help solving this problem? A car travels at a constant speed of 10.0 m/s along a straight highway that is inclined 6.0 degrees for 11.0 s. How high vertically does the car travel?
September 23, 2010 by Gusty

Algebra Continued
2)A motorboat leaves a dock and travels at an average speed of 15mi/h toward an island. The average speed on the return trip is 10mi/h. How far is the island from the harbor if the total trip takes 5h? (HInt-first find the 2 times)
September 23, 2008 by Chris

physics
Its 80 kilometers from point A to point B. Someone travels at an average speed of 40 kilometers per day and takes a negligible amount of time at point B to turn around to head back to point A. At what average speed must the person travel back to point A so that for the entire ...
January 29, 2012 by Anonymous

algebra
Two drivers travel 150 miles on a freeway and then stop at a wayside rest area. The first driver travels 5 miles per hour faster and arrives 1/7 hour ahead of the second. Find the average speed of each car.
August 17, 2011 by mich

physics
A Honda Civic travels in a straight line along a road. Its distance x from a stop sign is given as a function of time t by the equation x(t)= α t2− β t3, where α = 1.43m/s2 and β = 4.60◊10−2m/s3 . 1)Calculate the average velocity of the car for ...
July 23, 2014 by Ann

phisecs
A car travels in a stright line at 43 km/h for 1 h and at 65 km/h for 5 h. Find the average velocity in km/h?
February 19, 2014 by neon

physics
A 726 kg car travels from Boone to Blowing Rock along US321. How much working is needed to keep the car traveling at a constant speed of 21.8 m/s around a curve of radius 28.4 m?
December 5, 2010 by KC

Science
A car is moving at a constant velocity when it is involved in a collision.the car comes to rest after 0.45sec with an average acceleration of 65,0 m/s2 in the direction opposite that of the car's velocity. What was the speed ,in km/h, of the car before the collision?
March 8, 2013 by Gift

simple physics
A 1500 kg car travels along the road at 25 m/s when the driver sees the light turn red and applies the brakes. What average force is needed to stop the car in a) 5 seconds and b) .2 seconds? What formula should be used?
December 4, 2011 by JuJu

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

Physics
A truck travels at a constant speed of 28.0 m/s in the fast lane of a two-lane highway. It approaches a stationay car stopped at the side of the road. When the truck is still 1.2x10^2 m behind the car, the car pulls out into the slow lane with an acceleration of 2.6 m/s ...
July 10, 2011 by Capreeca

physics
Question Part Points Submissions Used 1 2 3 4 5 0/5 Ė/5 5/5 0/5 0/5 1/10 0/10 1/10 2/10 2/10 Total 5/25 A car initially traveling eastward turns north by traveling in a circular path at uniform speed as in the figure below. The length of the arc ABC is 210 m, and the car ...
October 22, 2011 by carlton

science
a car manufacture advertise that a car goes "from zero to sixty in 8 seconds" is a description of: a) average speed b) instantaneous speed c) average velocity d) instantaneous acceleration a) and b) are incorrect since it's a change in velocity, whcih means it's acceleration. ...
September 6, 2007 by Tammy

Math
A family left their house in two cars at the same time. One car traveled an average of 7 miles per hour faster than the order. When the first car arrived at the destination after 5 1/2 hours of driving, both cars had driven 599.5 miles. If the second car continues at the same ...
March 3, 2014 by naveen

Physics
Sally travels by car from one city to another. She drives for 40.2 min at 80.0 km/h, 12.0 min at 105 km/h, and 45.0 min at 40.0 km/h. She spends 13.7 min eating lunch and buying gas. (a) Determine the total distance traveled in km. (b) Determine the average speed for the trip ...
January 26, 2012 by Paige

math
You jog at 6.6 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.4 mi/h? answer is 24.5 mi/h. WHY??
August 19, 2009 by jawn

physics
You jog at 6.2 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.6 mi/h? I don't get why the answer isn't 15.
November 1, 2011 by John

physic
Block _____ Name ________________________________________ Date __________ Average Speed 1. In the 2008 Summer Olympics, Usain Bolt won the 100-m race in 9.69 s. What was his average speed? 2. Light from the sun reaches Earth in 8.3 min. The speed of light is 3.0108 m/s. How ...
November 3, 2011 by Anonymous

math
a car travels at a constants speed and uses G(x) litres of gas per kilomotre, where x is the speed of the car in kilomotres oer hour and G(x)=(1280+x^2)/(320x) a>if fuel costs 1.29 per litre, determine the cost function C(x)that expresses the cost of the fuel for a 200KM ...
October 31, 2011 by invy

math
a bus takes 12 hours to travel the same distance that an airplane travels in 1.5 hours. the average speed of the airplane ia 120 km per hour faster than five times the average speed of the bus. what is the average speed of the bus? let x represent the speed of the bus speed of...
November 29, 2006 by aaron

Physics
A automobile travels at a speed of northward along a street, and a 7000-N sports car travels at a speed of eastward along an intersecting street. (a) If neither driver brakes and the cars collide at the intersection and lock bumpers, what will the velocity of the cars be ...
December 19, 2013 by Bryan

Physics
An 893 kg car passes over a bump in a road that follows the arc of a circle of radius 14.3 meters. A) What force does the road exert on the car as the car passes the highest point of the bump if the car travels 7.53 m/s. B) What is the max speed the car can have as it passes ...
December 4, 2011 by Ryan

physics
You jog at 6.0 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.0 mi/h?
September 9, 2010 by Anonymous

physics
You jog at 6.0 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.0 mi/h?
September 9, 2010 by Anonymous

physics
You jog at 6.0 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.0 mi/h?
September 9, 2010 by Anonymous

Algebra
Yes. The car will travel 40 miles in an hour. A certain Car Travels 14 miles in 21 minutes. If the car continues at the same speed how many miles can it go in 1 Hour One way to solve this problem is by setting up a proportion. Let x = the miles the car can go in one hour. 14...
June 26, 2007 by Ms. Sue

math
Two cars leave the same point at noon. One car travels North and the other car travels East. Suppose the North bound car is travling 40mph and after two hours, the two cars are 100 miles apart. How fast is the other car going?
November 2, 2012 by dell

Math
the trip will be 560 miles the bus travels at an average speed of 60 miles per hour. Estimate the distance the bus travels in 2 hours.
September 10, 2008 by Jessica

science (motion)
You are walking toward the back of a bus that is moving forward with a constant velocity. Describe your motion relative to the bus and relative to a point on the ground. A car travels at an average speed of 30 m/s for .8 h. Find the total distance traveled in km.
April 29, 2009 by lol

math 10 pre calculus
12. An avalanche rescue team travels 8.55 km along a snow-covered trail. For the first section, the trail is flat. The team averages a speed of 2.7 km/h. Then, the terrain becomes mountainous and their average speed is only 1.2 km/h. The one-way trip takes the team 4.0 h. ...
December 14, 2012 by Eric

Physics
a car travels at 25m/s on a flat stretch of road. The driver must maintaint he pressure on the accelerator to keep the care moving at this speed. What is the net work done on the car over a distance of 250m?
September 25, 2013 by Sara

Physics
a car travels at 25m/s on a flat stretch of road. The driver must maintaint he pressure on the accelerator to keep the care moving at this speed. What is the net work done on the car over a distance of 250m?
September 25, 2013 by Sara

physics ( math)
Solve the Equations in terms of X: a. x/a = b/c b. s=xt^2/2 d. 4= 10/x e. 5= 5/x-5 f. 40=2((x10)2-5) g. x(y+2)/ (5y +8) 1.What is the average of 2/9 and 4/5? 2. Subtract 4.20 x 10^-5 from 6.468 x 10^-4 3.Given: D= density; M= Mass; V= Volume; and D= M/V a) If an object has a ...
September 9, 2010 by K.C

physics
A car begins at rest at t0 = 0. The car starts moving and finally covers a distance d = 617 m in a time tf = 105 s. In a coordinate system with north being the positive x-direction, the car's motion is in the southern direction. What was the car's average speed during this ...
September 12, 2014 by joe new

Calculus
A car starts from point P at time t=0 and travels at 45 mph. A)write an expression d(t) for the distance the car travels from p. (would it just be y=45x??) B)What is the slope of the graph? what does it have to do with the Car? D)Create a scenario in which t could have ...
August 24, 2011 by Sarah

algebra
A car travels down the highway at speeds between 50 miles per hour and 65 miles per hour. If the car travels for 4 hours, write an expression that represents the distance, d, the car has travelled.
November 1, 2013 by lala

ENG102
Question 1. A car moves 26 km due east then 14 km due north. It then turns along a path running north-east with 15 km, then 17 km due west. If the time for the entire journey is 2 hrs, Find; (a) the carís average speed in m/s (b) the carís average velocity in km/h . SOLVE THIS...
May 1, 2012 by DESMOND

Physics
a car manufacture advertise that a car goes "from zero to sixty in 8 seconds" is a description of: a) average speed b) instantaneous speed c) average velocity d) instantaneous acceleration a) and b) are incorrect since it's a change in velocity, whcih means it's acceleration. ...
September 9, 2007 by Tammy

please help!!!!
Maurice drove 400 km from Edmonton to Battleford in 1 hour less time than it took Martin to drive the same route from Battleford to Edmonton. If Maurice drove 20 km/h faster than Martin, at what speed did each of them drive? Show a complete algebraic solution. Let Maurice's ...
February 25, 2007 by Shay

algebra
Maurice drove 400 km from Edmonton to Battleford in 1 hour less time than it took Martin to drive the same route from Battleford to Edmonton. If Maurice drove 20 km/h faster than Martin, at what speed did each of them drive? Show a complete algebraic solution. Let Maurice's ...
February 25, 2007 by Shay

physics
A car travels 2.74 km in the x-direction, then turns left 61.2◦to the original direction and travels an additional distance of 3.19 km. Calculate the x component of the carís net displacement.
July 30, 2014 by Anonymous

Physics
1. A train traveling at a speed of 150km/h decelerates for 15 seconds. During that time it travels 400 meters. A) What is the acceleration? = m/s^2 B) What is its speed after deceleration? = km/h I need help with which formula to use and how to use it to find the correct ...
June 5, 2013 by DANNY

Physics
1. A train traveling at a speed of 150km/h decelerates for 15 seconds. During that time it travels 400 meters. A) What is the acceleration? = m/s^2 B) What is its speed after deceleration? = km/h I need help with which formula to use and how to use it to find the correct ...
June 6, 2013 by Danny

Physics
1. A train traveling at a speed of 150km/h decelerates for 15 seconds. During that time it travels 400 meters. A) What is the acceleration? = m/s^2 B) What is its speed after deceleration? = km/h I need help with which formula to use and how to use it to find the correct ...
June 6, 2013 by Danny

hw
A car travels along a straight road, heading east for 1 h, then traveling for 30 min on another road that leads northeast. If the car has maintained a constant speed of 56 mi/h, how far is it from its starting position?
November 24, 2010 by Anonymous

Physics
A 15500 N automobile travels at a speed of 41 km/h northward along a street, and a 7000 N sports car travels at a speed of 65 km/h eastward along an intersecting street. a)If neither driver brakes and the cars collide at the intersection and lock bumpers, what will the ...
December 11, 2010 by Kelsey

Physics- hard problem
A 14000 N automobile travels at a speed of 40 km/h northward along a street, and a 7000 N sports car travels at a speed of 62 km/h eastward along an intersecting street.(a) If neither driver brakes and the cars collide at the intersection and lock bumpers, what will the ...
December 19, 2013 by Bryan

maths
If a van travels for a distance of 18 km at an average speed of 75 km/h and then for a distance of 63 km at an average speed of 90 km/h, what is the total time for the journey in minutes, to the nearest minute?
April 7, 2012 by karen

Physics
You step onto a hot beach with your bare feet. A nerve impulse, generated in your foot, travels through your nervous system at an average speed of 113 m/s. How much time does it take for the impulse, which travels a distance of 1.50 m, to reach your brain?
September 26, 2010 by Amanda

physics
A car travels 1.72 km in the x direction, then turns left 50.4 degrees to the original direction and travels an additional distance of 1.97 km. Calculate the x component of the car's net displacement. Answer in units of km.
August 27, 2009 by bubba

physics
a person walks due east for 10 meters and the due north for 10 meters. what is the total distance? b). what is the average speed of a car that travels 30 meters in 10 seconds, then another 50 meters in 30 seconds. Thank you for answering.
June 3, 2014 by mercy

Physics
A car is initially travelling at a constant speed of 20 m/s along a highway. Suddenly, the driver applies the brakes, causing the car to accelerate at -5.0 m/s^2. If the driver applied the brakes 0.50s late, determine the distance the car travels from the moment the driver is ...
September 11, 2012 by Michael

physics
speed of the car is 47.52 km/hr. a lorry wheel is rotating at 400 RPM. what is the radius (in cm) of a lorry wheel if the lorry has a same speed with the car?
November 27, 2011 by HELP ME!!!!

physics
A car is coasting backwards downhill at a speed of 3.2 m/s when the driver gets the engine started. After 2.5 s, the car is moving uphill at 5.0 m/s. Assuming that the uphill is the positive direction, what is the car's average acceleration?
November 26, 2010 by javane

physics
A car is coasting backwards downhill at a speed of 2.6 m/s when the driver gets the engine started. After 2.5 s, the car is moving uphill at 4.6 m/s. Assuming that the uphill is the positive direction, what is the car's average acceleration?
September 18, 2012 by LIZZIE

physics
1. A car is coasting backwards downhill at a speed of 3.0 m/s when the driver gets the engine started. After 2.5 s, the car is moving uphill at 4.5 m/s. Assuming that uphill is positive direction, what is the carís average acceleration?
June 7, 2013 by asa

physics
A car travels from city a to city b at a constant speed of 60 km/h.A bus leaves city a 1h after the car and catches it as it enters city b.the distance betwen ehe cities is 240 km.what is the speed of the bus{assumed to be constant] during its journey
December 17, 2011 by faisal

physics
A car travels from city a to city b at a constant speed of 60 km/h.A bus leaves city a 1h after the car and catches it as it enters city b.the distance betwen the cities is 240 km.what is the speed of the bus{assumed to be constant] during its journey
December 17, 2011 by faisal

physics
A car begins at rest at t0 = 0. The car starts moving and finally covers a distance d = 617 m in a time tf = 105 s. In a coordinate system with north being the positive x-direction, the car's motion is in the southern direction (see figure. What was the car's average speed ...
September 12, 2014 by joe 13

physics
A car travels in a straight line with an average velocity of 85 km/h for 2.5 h and then with an average velocity of 30 km/h for 1.5 h. (a) What is the total displacement for the 4 h trip? _____________________ km (b) What is the average velocity for the total trip? ...
September 12, 2010 by MeganErin

Physics
You step onto a hot beach with your bare feet. A nerve impulse, generated in your foot, travels through your nervous system at an average speed of 106 m/s. How much time does it take for the impulse, which travels a distance of 1.80 m, to reach your brain? _____________s
September 12, 2011 by Dwight

Physics
A car travels 150 km for two hours east of a starting point, turns around and travels due west 300 km for three hours. What is the car's net velocity for the trip?
February 25, 2013 by Gabby

Physics
A 1500 kg automobile travels at a speed of 105 km/h along a straight concrete highway. Faced with an emergency situation, the driver jams on the brakes, and the car skids to a stop. (a) What will be the car's stopping distance for dry pavement (Ķ = 0.85)? (b) What will be the ...
September 21, 2010 by Tom

physics
Please decide which of the following statements for car collisions are true or false. 1)Crumple zones on cars are parts of the front of the car that are designed to receive maximum deformation during a head-on collision. The essential safety benefit of crumple zones results ...
April 11, 2012 by Marc

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