
Physics
Determine the stopping distances for an automobile with an initial speed of 95km/h and human reaction time of 1.0s: (a) for an acceleration a= 5.2m/s^2 (b) for a= 6.7m/s^2
asked by Emily on July 10, 2011 
physics
Determine the stopping distances for an automobile with an initial speed of 95km/h and human reaction time of 1.0s: (a) for an acceleration a= 5.2m/s^2 (b) for a= 6.7m/s^2
asked by victor on July 10, 2011 
physics
Determine the stopping distances for an automobile going a constant initial speed of 97km/h and human reaction time of 0.50s , for an acceleration a=−6.5m/s2
asked by Shan on August 30, 2013 
Physics
I really don't get why I am getting this question wrong? Please can you explain to me how to do this question step by step so that I can understand it please? :( i have been stuck on this question for quite a while now. Determine the stopping distances for
asked by Sarah on October 11, 2013 
Physics
I really don't get why I am getting this question wrong? Please can you explain to me how to do this question step by step so that I can understand it please? :( i have been stuck on this question for quite a while now. Determine the stopping distances for
asked by Sarah on October 11, 2013 
Physics
I really don't get why I am getting this question wrong? Please can you explain to me how to do this question step by step so that I can understand it please? :( i have been stuck on this question for quite a while now. Determine the stopping distances for
asked by Sarah on October 11, 2013 
Physics
I really don't get why I am getting this question wrong? Please can you explain to me how to do this question step by step so that I can understand it please? :( i have been stuck on this question for quite a while now. Determine the stopping distances for
asked by Sarah on October 11, 2013 
physics hw
Determine the stopping distances for a car with an initial speed of 87 km/h and human reaction time of 2.0 s for the following accelerations. (a) a = 4.0 m/s2 (b) a = 8.0 m/s2
asked by kylie on December 15, 2016 
Physics
Determine the stopping distances for a car with an initial speed of 93 km/h & human reaction time of 0.80 s, for an acceleration a=−4.0m/s2.?
asked by Kelly on October 12, 2015 
physics
Determine the stopping distances for a car with an initial speed of 93 km/h and human reaction time of 3.0 s for the following accelerations: 4.00 m/s^2 8.00 m/s^2
asked by Phil on August 19, 2011 
physics
determine the stopping distances for an auto0mobile with the initial speed of 90km/hand the human reaction time of 1.0s: (a) for an acceleration a= 40m/s^2; (b) for a = 8.0m/s^2 use one of newtons four equations to solve.... i don't get this at
asked by marina on July 19, 2008 
physics
Determine the stopping distances for a car with an initial speed of 93 km/h and human reaction time of 3.0 s for the following accelerations. (a) a = 4.0 m/s2 , but has changed from what was graded. m (b) a = 8.0 m/s2 but has changed from what was
asked by Adnane on September 4, 2011 
Physics
Assume the brakes in your car create a constant acceleration of 4.2 m/s2 regardless of your speed. How long does it take to stop if you are initially traveling 50 km/h? What distance do you go while stopping? Repeat the calculations for an initial speed of
asked by Ryan Simpson on February 9, 2015 
Physics
Physics Homework _____________________________________________________________ 1.) A particle at t 1 = 2.0 s is at x 1 = 3.4 cm and at t 2 = 4.5 s is at x2 = 8.5 cm. What is its average velocity? Can you calculate its average speed from this data?
asked by Ruby on July 20, 2008 
Calculus
The police department must determine a safe speed limit on a bridge so that the flow rate of cars is at a maximum per unit time. The greater the speed limit, the farther apart the cars must be expected to be in order to allow for a safe stopping distance.
asked by Max on November 9, 2012 
College Math
Use the functions to find the stopping distance on wet pavement and dry pavement for a car traveling at 55 MPH.Identify the graph for each stopping distance.Explain how well your answers to item 1 model the actual stopping distances shown in Figure 3.41 on
asked by Anonymous on March 9, 2011 
Driver's Ed
1. The natural laws include the law of (1 point) speed limits. gravity*** railroad crossings. yielding. 2. Which of the following should determine whether you need to speed up or slow down? (1 point) how quickly you need to get somewhere how far above the
asked by Sandy East Ward on December 5, 2014 
College physics
According to test performed by the manufactures, an automobile with an initial speed of 75 km/h has a stopping distance of 25 m on a level road. assuming that no skidding occurs during breaking, what is the value of μ , between the wheels and the road
asked by Sneakatone on February 26, 2013 
physics
on a level road the stopping distance for an automobile is 35.0m for an initail speed of 90 km/hr what is the stopping distance of the same automobile on a simalr road with the slope 1:10
asked by hilde on October 30, 2010 
Math
the stopping distance of an automobile is directly proportional to the square of its speed v. a car required 90 feet to stop when its speed was 70 miles per hour. find a mathematical model that gives the stopping distance d in terms of its speed v. D=
asked by Andrea on February 23, 2018 
calculus
X. An automobile with seven years of use has a commercial value of $34057.7, but five years ago its value was $72250. If the value of such automobile varies exponentially with the time. (3641) 36. What was the value of the automobile when it was new?
asked by steve alexander on November 25, 2008 
calculus
An automobile with seven years of use has a commercial value of $34057.7, but five years ago its value was $72250. If the value of such automobile varies exponentially with the time. (3641) 36. What was the value of the automobile when it was new? 37.
asked by steve alexander on November 25, 2008 
calculus
Highway engineers often use quadratic functions to model safe stopping distances for cars like 1/2x quantity squared + 11/5x is used to model the safe stopping distance for car traveling at x miles per hour on dry, level pavement. If a driver can see only
asked by ANON :) on September 9, 2014 
physics
The "reaction time" of the average automobile driver is about 0.700 s. (The reaction time is the interval between the perception of a signal to stop and the application of the brakes.) If an automobile can slow down with an acceleration of 12.0 ft/s^{2},
asked by mely on January 20, 2011 
Physics
Automobile Airbags. The human body can survive an acceleration trauma incident (sudden stop) if the magnitude of the acceleration is less than 250 m/s2. If you are in an automobile accident with an initial speed of 60 km/h (37 mi/h) and you are stopped by
asked by Roger on September 9, 2013 
Physics (9th)
Sasha is driving straight and notices an antelope in the road a ways off. Determine the stopping distance (from the time she sees the antelope) for her car with an initial speed of 95 km/hr and an acceleration of 4.0 m/s2. Sasha's reaction time to start
asked by Jay on January 24, 2017 
Physics
Sasha is driving straight and notices an antelope in the road a ways off. Determine the stopping distance (from the time she sees the antelope) for her car with an initial speed of 95 km/hr and an acceleration of 4.0 m/s2. Sasha's reaction time to start
asked by Jay on January 24, 2017 
Physics
An automobile travelling with a speed of 60km/hr, can apply brake to stop within a distance of 20m. If the car is going twice as fast then calculate the stopping distance and stopping time? (b) Given R1 = 5.0 ± 0.2 and R2 = 10.0 ± 0.1. calculate the
asked by Shrawan on July 15, 2011 
Algebra
The stopping distance D in feet for a car traveling at x miles per hour is given by d(x)= (1/12)x^2+(11/9)x. Determine the driving speeds that correspond to stopping distances between 300 and 500 feet, inclusive. Round speeds to the nearest mile per hour.
asked by Kaitlyn on June 9, 2013 
Physics
Determine the stopping distance for a skier moving down a slope with friction with an initial speed of 20.6m/s. Assume μk=0.178 and θ=5.27.
asked by Angie on October 28, 2012 
Chemistry
The reaction of nitrogen dioxide with fluorine generates nitryl fluoride: 2NO2(g) + F2(g) > 2NO2F(g) To determine the rate law for this reaction, a chemist performed several initialrate experiments using different initial concentration, with the details
asked by Lily on February 9, 2017 
PreCalculus
An Alfa Romeo going at 70 mph requires 169 feet to stop. Assuming that the stopping distance is proportional to the square of velocity, find the stopping distances required by an Alfa Romeo going at 35 mph and at 140 mph (its top speed).
asked by Becky on February 3, 2013 
physics
a typical automobile has a maximum deceleration of about 7m/s2, the typical reaction time to engage the brakes is 0.50s. A school board sets the speed limit in a school zone to meet the condition that all cars should be able to stop in a distance of 4 m.
asked by amanda and leah on September 12, 2012 
science
Which has the greater momentum when they move at the same speed an automobile or a skateboard? Which requires the greatest stopping force?
asked by Emma on October 21, 2007 
science physics
which has the greater momentum when they move at the same speed an automobile or a skateboard? which requires the greatest stopping force?
asked by Anonymous on October 11, 2009 
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 (µ = 0.85)?
asked by Tom on September 21, 2010 
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 (µ = 0.85)?
asked by Lala on October 4, 2017 
As physics
Q11.The table below shows how the braking distance x for a car depends on its initial speed u.  u / ms1  5  10  20  40   X / M  2  8  32  128  The relationship between x and u is: doubling speed increases distance by a factor of 4. i)The
asked by cylinder on December 5, 2017 
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 (µ = 0.85)?
asked by Tom on September 20, 2010 
physics hey bob
you help me solve this problem. but how am i suppose to if i don't know the mass of the car? on a level road the stopping distance for an automobile is 35.0m for an initail speed of 90 km/hr what is the stopping distance of the same automobile on a simalr
asked by anthony on October 31, 2010 
Chemistry
The reaction between NO (nitric oxide) and oxygen is a key step in the formation of acid rain. O2(g) + 2NO(g) → 2NO2(g) A series of experiments were run, each of which starts with a different set of reactant concentrations. From each experiment an
asked by Roman on March 27, 2012 
Physics
An automobile and a truck start from rest at the same instant, with the automobile initially at some distance behind the truck. The truck has a constant acceleration of 2.15m/s2 , and the automobile an acceleration of 3.47m/s2 . The automobile overtakes
asked by David on June 8, 2015 
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
asked by monnie on October 8, 2010 
Physics
The “reaction time” of the average automobile driver is about 0.7 s. (The reaction time is the interval between the perception of a signal to stop and the application of the brakes.) If an automobile can slow down with an acceleration of 12 ft/s^2
asked by Babygirl on August 23, 2018 
Physics
Q11.The table below shows how the braking distance x for a car depends on its initial speed u.  u / ms1  5  10  20  40   X / M  2  8  32  128  The relationship between x and u is: doubling speed increases distance by a factor of 4. i)The
asked by cylinder on December 7, 2017 
Statistics
A car manufacturer is interested in conducting a study to estimate the mean stopping distance for a new type of brakes when used in a car that is traveling at 60 miles per hour. These new brakes will be installed on cars of the same model and the stopping
asked by Bob on November 30, 2009 
Statistics
A car manufacturer is interested in conducting a study to estimate the mean stopping distance for a new type of brakes when used in a car that is traveling at 60 miles per hour. These new brakes will be installed on cars of the same model and the stopping
asked by John on November 28, 2009 
Physics
A 5.0g bullet traveling horizontally at an unknown speed hits and embeds itself in a 0.195kg block resting on a frictionless table. The block slides into and compresses a 180N/m spring a distance of 0.15m before stopping the block and bullet. Determine
asked by BULTURP on March 11, 2014 
statistics
im so confused! please help! 3. A car manufacturer is interested in conducting a study to estimate the mean stopping distance for a new type of brakes when used in a car that is traveling at 60 miles per hour. These new brakes will be installed on cars of
asked by george on March 4, 2011 
automobile engineering
For an automobile with wheel base 2.5m, the centre of gravity lies 0.6 m above the ground and 1.15 m in front of the rear axle. The automobile is moving on level ground with a speed of 45 km/hr. Find the minimum stopping distance when (a) Only rear wheels
asked by amit on September 14, 2015 
physics
An automobile and train move together along parallel paths at 39.1 m/s. The automobile then undergoes a uniform acceleration of −4 m/s 2 because of a red lightand comes to rest. It remains at rest for 22.5 s, then accelerates back to a speed of 39.1 m/s
asked by Swag on September 27, 2011 
Physics
An automobile and train move together along parallel paths at 21.8 m/s. The automobile then undergoes a uniform acceleration of −4 m/s 2 because of a red light and comes to rest. It remains at rest for 19.1 s, then accelerates back to a speed of 21.8 m/s
asked by Chimera on September 26, 2012 
physics
An automobile and train move together along parallel paths at 28.8 m/s. The automobile then undergoes a uniform acceleration of −4 m/s 2 because of a red light and comes to rest. It remains at rest for 63.8 s, then accelerates back to a speed of 28.8 m/s
asked by m on May 21, 2013 
physics
An automobile and train move together along parallel paths at 20.3 m/s. The automobile then undergoes a uniform acceleration of −4 m/s2 because of a red light and comes to rest. It remains at rest for 19.4 s, then accelerates back to a speed of 20.3 m/s
asked by john on May 20, 2013 
Physics
An automobile and train move together along parallel paths at 31.6 m/s. The automobile then undergoes a uniform acceleration of −4 m/s2 because of a red light and comes to rest. It remains at rest for 44 s, then accelerates back to a speed of 31.6 m/s at
asked by Nick on September 18, 2011 
physics bob
still i cant find the normal force without mass of automabile. is normal force mass times gravity sin theta? on a level road the stopping distance for an automobile is 35.0m for an initail speed of 90 km/hr what is the stopping distance of the same
asked by anthony on October 31, 2010 
physics
police officer in a patrol car parked in a 70km/h zone observe a passing automobile travelling at a slow. constant speed. believing that of the automobile might be intoxicated the officer starts his car acceleration uniformly to 9km/h in 8s. and
asked by abdul on October 17, 2013 
Science
An automobile accelerates 1.24 m/s^2 over 6.00 s to reach freeway speed at the end of an entrance ramp. If the cars final speed is 86.0 km/h, what was its initial speed when it began accelerating? Express your answer in km/h I can do it but I just don't
asked by John on October 25, 2016 
Physics
A driver approaches an intersection at a speed of 50km/h, when the light turns amber. The driver applies brakes to get the maximum stopping force without skidding. The car has a mass of 1500kg and the force of static friction between the tires and the road
asked by ashley on November 12, 2012 
physics
an automobile with an initial speed of 43 cm/s (accelerates uniformly at the rate of 3m/s^2). what is the final speed and the displacement after 5 sec?
asked by nicole on September 21, 2014 
physics
An automobile with an initial speed of 6.60 m/s accelerates uniformly at the rate of 3.9 m/s^2 Find the final speed of the car after 5.2s Answer in units of m/s
asked by Anonymous on October 14, 2012 
physics
An automobile with an initial speed of 6.60 m/s accelerates uniformly at the rate of 3.9 m/s^2 Find the final speed of the car after 5.2s Answer in units of m/s
asked by Anonymous on October 14, 2012 
physics
An automobile with an initial speed of 3.25 m/s accelerates uniformly at the rate of 3.2 m/s 2 . Find the final speed of the car after 4.4 s. Answer in units of m / s
asked by Anonymous on October 5, 2014 
physics
An automobile with an initial speed of 3.25 m/s accelerates uniformly at the rate of 3.2 m/s2. Find the final speed of the car after 4.4 s. Answer in units of m/s
asked by Teni on October 1, 2014 
11th phyics
An automobile with an initial speed of 4.56 m/s accelerates uniformly at the rate of 2.4 m/s2. Find the final speed of the car after 4.4 s. Answer in units of m/s
asked by Taylor on September 26, 2010 
physics
an automobile with an initial speed of 4.30 m/s accelerates uniformly at the rate of 3.00m/s^2. fine the final speed and the displacement after 5.00s
asked by yy on September 22, 2010 
physics
The human body can survive a negative acceleration trauma incident (sudden stop) if the magnitude of the acceleration is less than (m/s2) If you are in an automobile accident with an initial speed of 101(km/h) and are stopped by an airbag that inflates
asked by aisha on March 5, 2012 
College Physics
Col. John Stapp led the U.S. Air Force Aero Medical Laboratory's research into the effects of higher accelerations. On Stapp's final sled run, the sled reached a speed of 284.4 m/s (632 mi/h) and then stopped with the aid of water brakes in 1.4 s. Stapp
asked by Sydney on October 6, 2014 
Physics  THIS IS DUE TMRW PLEASE HELP!
The left and right wheels of an automobile are separated by a transverse distance of 1.40 m. The center of mass of this automobile is .6 m above the ground. If the automobile is driven around a flat (no banking) curve a radius of 26.0 m with an excessive
asked by Chris on May 10, 2009 
11th grade
An automobile with an initial speed of 4.56m/s accelerates uniformly at the rate of 2.4m/s2. Find the final speed of the car after 4.4 s. Answer in units of m/s.
asked by Taylor on September 21, 2010 
Physics
An automobile with an initial speed of 6.12m/s accelerates uniformly at the rate of 4.4 m/s^2.Find the final speed of the car after 4.6 s. Answer in units of m/s
asked by Roseanna on September 17, 2014 
Chemistry
The reaction X + Y > products was studied using the method of initial rates. The initial rate of consumption of X was measured in three different experiments. What is the value of the rate constant, k? *concentrations are in mol/L and initial rates are
asked by Jamie on February 23, 2011 
physics  stopping distance
when a driver brings a car to a stop by breaki.g as hard as possible the stopping can be regarded as the sum of reaction distance and breaking distance. tje following data are given, v1 m/s contains 10,20,30. reaction distance are 7.5, 15, 22.5. the
asked by gladys on April 25, 2013 
physics
The human body can survive an acceleration trauma incident (sudden stop) if the magnitude of the acceleration is less than 250 m/s2. If you are in an automobile accident with an initial speed of 136 km/h (85 mi/h) and you are stopped by an airbag that
asked by Johanah on June 8, 2014 
Physics
An automobile of mass 2000 kg is driven into a brick wall in a safety test. The bumper behaves like a Hooke’slaw spring. It has an effective spring constant of 5 × 106 N/m, and is observed to compress a distance of 8.7 cm as the car is brought to rest.
asked by Shelly on December 3, 2012 
Physics Please Help!
1. How much work is required to stop an electron (m = 9.11 10^31 kg) which is moving with a speed of 1.97 10^6 m/s? 2. An automobile is traveling along a highway at 91 km/h. If it travels instead at 100 km/h, what is the percent increase in the
asked by Anonymous on February 15, 2011 
cpcc
A frictionless plane is 10.0 m long and inclined at 33.0°. A sled starts at the bottom with an initial speed of 4.30 m/s up the incline. When the sled reaches the point at which it momentarily stops, a second sled is released from the top of the incline
asked by thomas on September 27, 2010 
physics help
A 1100 kg automobile is at rest at a traffic signal. At the instant the light turns green, the automobile starts to move with a constant acceleration of 3.0 m/s2. At the same instant a 2800 kg truck, traveling at a constant speed of 8.0 m/s, overtakes and
asked by beav on March 26, 2010 
Physics
To stop a car, first you require a certain reaction time to begin braking. Then the car slows down at a constant rate. Suppose that the total distance moved by your car during these two phases is 56.7 m when its initial speed is 85.0 km/h, and 24.4 m when
asked by Lance on March 5, 2008 
math
If a car is speeding down a road at 40 (mph), how long is the stopping distance compared to the stopping distance if the driver were going at the posted speed limit of 25 ? Express your answer as a multiple of the stopping distance at 25
asked by Em on September 8, 2011 
Physics
A certain automobile engine delivers 2.24 ✕ 10^4 W (30.0 hp) to its wheels when moving at a constant speed of 31.0 m/s ( 69 mi/h). What is the resistive force acting on the automobile at that speed?
asked by Mara on September 29, 2014 
physics
A rule of thumb for automobile collisions against a rigid barrier is that the collision lasts about .11 seconds, for any initial speed and for any model of automobile. accordingly, the deceleration experienced by an automobile during a collision is
asked by kate on December 11, 2012 
PHYSICS
An automobile accident investigator needs to determine the initial westerly velocity of jeep (m=1720 kg) that may have been speeding before colliding headon with a Volkswagen (m=1510 kg) that was moving with a velocity of 75.7 km/h east. The speed limit
asked by Tony on December 27, 2014 
Algebra
An automobile covered the distance of 240 km between A and B with a certain speed. On its way back, the automobile covered half of the distance at the same speed and for the rest of the trip he increased his speed by 10 km/hour. As a result, the drive back
asked by Andrew on March 22, 2016 
Physics
A race car can be slowed with a constant acceleration of 11 m/s^2 a. If the car is going 55 m/s, how many meters will it travel before it stops? b. How many meters will it take to stop a car going twice as fast? According to one of the teachers this is
asked by Priscilla on December 28, 2009 
physics
An automobile tire has a radius of 0.455 m, and its center moves forward with a linear speed of v = 15.7 m/s. Determine the angular speed of the wheel.
asked by Katie on March 11, 2012 
physics(kinematics)
A police officer in a patrol car parked in a 70 Km/h speed zone observes a passing automobile might be intoxicated,the officer starts his car,accelerates uniformly to 90 Km/h in 8s ,and maintaining a constant velocity of 90 Km/h,overtakes the motorist 42s
asked by benjamin on July 31, 2015 
physics
An automobile travelling with an initial velocity of 25m/s is accelerated to 35m/s in 6 second. The wheel of automobile is 80cm in diameter. Find the angular acceleration
asked by Vitus on February 1, 2012 
Math
The stopping distance d of a car in feet is related to the speed in mph by the equation d(s)=.02s^2+1.1s Calculate the speed when your stopping distance is: 1.) 51ft 2.) 315.12ft
asked by Devin on February 25, 2012 
Physics
An automobile with an initial speed of 3.56 m/s accelerates uniformly at the rate of 2.7 m/s2. Find the displacement of the car after 4.1s.
asked by Courtney on February 3, 2011 
Science Physics
A young girl (m= 30 kg) rides a skateboard (m= 3.2 kg) at a speed of 4.2 m/s. (a) How much work does the girl have to do to bring herself to a stop? (b) How far does she travel if it takes 6.0 s to stop? (c) What is the magnitude of the stopping force? So
asked by Marin on October 9, 2014 
PHYSICS
AN AUTOMOBILE TIRE HAS A RADIUS OF 0.330M AND ITS CENTER MOVES FORWARD WITH A LINEAR SPEED OF V= 15.0M/S. a) DETERMINE THE ANGULAR SPEED OF THE WHEEL. B) RELATIVE TO THE AXLE, WHAT IS THE TANGENTIAL SPEED OF A POINT LOCATED 0.175M FROM THE AXLE?
asked by kassy on November 8, 2016 
physics
An automobile tire has a radius of 0.335 m, and its center moves forward with a linear speed of v = 24.1 m/s. (a) Determine the angular speed of the wheel. (b) Relative to the axle, what is the tangential speed of a point located 0.243 m from the axle?
asked by katie on July 16, 2013 
physics
Traveling at a speed of 19.0 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.660. What is the speed of the automobile after 1.31 s have elapsed?
asked by trish on December 16, 2015 
physics
Traveling at a speed of 16.5 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.590. What is the speed of the automobile after 1.35 s have elapsed?
asked by chris on December 16, 2015 
College Physics  Speed
Traveling at a speed of 15.6 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.730. What is the speed of the automobile after 1.25 s have elapsed?
asked by Anonymous on March 14, 2012 
Physics
Traveling at a speed of 15.9 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.700. What is the speed of the automobile after 2.00 s have elapsed?
asked by Anna on October 30, 2012 
Physics
Traveling at a speed of 16.1 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.650. What is the speed of the automobile after 1.20 s have elapsed?
asked by Steven on September 25, 2014 
physics
Traveling at a speed of 14.3 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.730. What is the speed of the automobile after 1.15 s have elapsed?
asked by anto99999999999999999999999999 on February 3, 2011 
Physics
Traveling at a speed of 16.3 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.620. What is the speed of the automobile after 1.60 s have elapsed?
asked by Loweri on March 1, 2012
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