Tuesday

March 31, 2015

March 31, 2015

Number of results: 60,228

**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- Elena please help!**

A large grinding wheel in the shape of a solid cylinder of radius 0.450m is free to rotate on a frictionless, vertical axle. A constant tangential force of 180 N applied to its edge causes the wheel to have an angular acceleration of 0.870 rad/s2. (a) What is the moment of ...
*November 6, 2012 by Anonymous*

**physics**

In designing rotating space stations to provide for artificial-gravity environments, one of the constraints that must be considered is motion sickness. Studies have shown that the negative effects of motion sickness begin to appear when the rotational motion is faster than ...
*December 19, 2010 by jessica*

**physics**

In designing rotating space stations to provide for artificial-gravity environments, one of the constraints that must be considered is motion sickness. Studies have shown that the negative effects of motion sickness begin to appear when the rotational motion is faster than ...
*November 7, 2012 by Anonymous*

**MATH**

A car is towing a trailer along a horizontal straight road using a horizontal tow-bar. The masses of the car and trailer are 1050kg and 200kg respectively. The resistance to motion of the car is 850N and the resistance to motion of the trailer is 150N. i) At an instant when ...
*October 26, 2013 by Math Only For The Brave*

**Physics**

You are traveling in a convertible with the top down. The car is moving at a constant velocity 27.7 m/s, due east along flat ground. You throw a tomato straight upward at a speed of 12.8 m/s. How far has the car moved when you get a chance to catch the tomato? I do not ...
*September 10, 2010 by Chaz *

**Physics**

A semitrailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls onto a runaway-truck ramp that is inclined at an angle of 10.0 above the horizontal. The semitrailer coasts to a stop after traveling 137 m along the ramp. What was the truck's ...
*October 20, 2012 by Elizabeth*

**physics**

A cart is driven by a large propeller or fan, which can accelerate or decelerate the cart. The cart starts out at the position x = 0 m, with an initial velocity of + 3.3 m/s and a constant acceleration due to the fan. The direction to the right is positive. The cart reaches a...
*January 28, 2014 by Anonymous*

**physics**

A particle's constant acceleration is south at 2.1 m/s2. At t = 0, its velocity is 42.6 m/s east. What is the magnitude and direction of its velocity at t = 7.6 s?
*January 21, 2010 by Sandhya*

**Physics**

A particle's constant acceleration is south at 2.1 m/s2. At t = 0, its velocity is 45.2 m/s east. What is its velocity at t = 7.7 s? What's the magnitude and direction?
*February 7, 2010 by Max*

**Physics**

A particle's constant acceleration is south at 2.1 m/s2. At t = 0, its velocity is 45.2 m/s east. What is its velocity at t = 7.7 s? What's the magnitude and direction?
*February 11, 2010 by Max*

**physics**

A particle's constant acceleration is south at 2.4 m/s2. At t = 0, its velocity is 43.4 m/s east. What is its velocity at t = 8.0 s? What is the magnitude and direction?
*February 14, 2010 by jimmy*

**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*

**Algebra**

Jim's Brakes charges $25 for parts and $55 per hour to fix the brakes on a car. Myron's Auto charges $40 for parts and $30 per hour to do the same job. What length of job in hours would have the same cost on both shops?
*January 28, 2010 by brooke*

**algebra**

Jims Brakes charges $25 for parts and $55 per hour to fix the brakes on a car. Myrons Auto charges $40 for parts and $30 per hour to do the same job. What length of job in hours would have the same cost on both shapes?
*January 28, 2010 by brooke*

**Physics B**

A car slows down from 23 m/s to rest in a distance of 85m. What is its constant acceleration? I got -6.224, but a friend was telling me it's -3.11 and that I had to divide by 2. Why is that?
*September 12, 2009 by Bob*

**Physical Science**

A race car goes around a level, circular track with a diameter of 1km at a constant speed of 90 km/h. What is the centripital acceleration?
*September 5, 2011 by Jill*

**Physics**

A machine swings a mass of 1kg connected to a massless rope in a vertical circle so that the speed of them mass is constant at 8 m/s. The rope is 1.0 m long, and the center of the circle is fixed at all times. a) Find the acceleration of the mass with magnitude and direction ...
*November 12, 2013 by Robin*

**physics**

A car is moving down a street at 51 km/h. A child suddenly runs into the street. If it takes the driver 0.97 s to react and apply the brakes, how many meters will the car have moved before it begins to slow down?
*October 3, 2010 by mike*

**physics**

A car is moving down a street at 51 km/h. A child suddenly runs into the street. If it takes the driver 0.62 s to react and apply the brakes, how many meters will the car have moved before it begins to slow down?
*October 23, 2012 by miranda*

**Physics**

A car is moving down a street at 67 km/h. A child suddenly runs into the street. If it takes the driver 1.26 s to react and apply the brakes, how many meters will the car have moved before it begins to slow down?
*February 6, 2014 by Jake*

**science**

you and your brother are pushing a car with a dead battery. You exert forces of 20n and 25n in the same direction. What is the force applied on the car?
*September 17, 2014 by kirrah*

**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*

**Physics**

(a) Calculate the magnitude of the gravitational force exerted on a 488-kg satellite that is a distance of 1.95 times earth radii from the center of the earth. (b) What is the magnitude of the gravitational force exerted on the earth by the satellite? (c) Determine the ...
*October 4, 2012 by Donald*

**Physics**

(a) Calculate the magnitude of the gravitational force exerted on a 430-kg satellite that is a distance of 2.81 times earth radii from the center of the earth. (b) What is the magnitude of the gravitational force exerted on the earth by the satellite? (c) Determine the ...
*December 12, 2012 by shine*

**science**

When the front of a 5.0 m long bus traveling at a constant speed of 20 m/s is 55 m away from an intersection, the traffic light turns yellow. It will take 3.0 s before the traffic light turns red. The drivers reaction time is 0.25 s. The bus can accelerate up to 2.0 m/s2 or ...
*July 27, 2014 by Nica*

**maths - two dimensional motion**

The problem I am trying to solve is from AQA Mechanics M1 and is as follows: An object is moving in a plane. At time t=0, it is at the origin, O, and moving with velocity u. After 2 seconds it is at A where OA = -2i - 4j. After a further 3 seconds it is at B where AB = 10i - ...
*April 9, 2013 by Maggie*

**physics**

A roller-coaster car has a mass of 1100 kg when fully loaded with passengers. As the car passes over the top of a circular hill of radius 20 m, its speed is not changing. (a) At the top of the hill, what is the normal force (using the negative sign for the downward direction) ...
*March 9, 2013 by physics*

**PHYSICS**

A curve in a road forms part of a horizontal circle. As a car goes around it at constant speed 14.0 m/s, the total force exerted on the driver has magnitude 115 N. What are the magnitude and direction of the total vector force exerted on the driver if the speed is 25.0 m/s ...
*January 18, 2010 by Laila*

**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=25L
*April 23, 2012 by Coach*

**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**

A car with good tires on a dry road can decelerate at about 5.0m/s/s when braking. If the car is traveling at 55miles/hour, how much time does it take the car to stop? 55 mph = 80.7 ft/s = 24.6 m/s Divide the initial speed by the deceleration rate to get the time required. (24...
*September 18, 2006 by Savannah*

**Gen. physics**

A cart is driven by a large propeller or fan, which can accelerate or decelerate the cart. The cart starts out at the position x = 0 m, with an initial velocity of +6.4 m/s and a constant acceleration due to the fan. The direction to the right is positive. The cart reaches a ...
*July 2, 2013 by ODU*

**physics**

A 3.24 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=11.8N at an angle theta=23.0degrees above the horizontal, as shown. What is the magnitude of the acceleration of the block when the force is applied?
*January 28, 2012 by Rachel *

**physics**

a large bus and a van, both moving with a velocity of magnitude v, have a head-on-collision and both the vehicles stop after the collision. if the time of the collision is 1 sec then, a) which vehicle experiences smaller force of impact? b) which vehicle experiences the ...
*June 7, 2013 by h*

**physics**

A 450 g block is at rest on a horizontal surface. The coefficient of static friction between the block and the surface is 0.670, and the coefficient of kinetic friction is 0.380. A force of magnitude P pushes the block forward and downward as shown in the figure below. Assume ...
*October 17, 2011 by carlton*

**Physics**

A Ferris wheel with radius 14.0 m is turning about a horizontal axis through its center, as shown in the figure below. The linear speed of a passenger on the rim is constant and equal to 6.60 m/s. What is the magnitude of the passenger's acceleration as she passes through the ...
*September 19, 2006 by Julie*

**math**

If two cars leave at the same time and are traveling in opposite directions, one car at 50 and the other at 55. How far away from each other will they be after 1 hours?
*March 19, 2011 by sam*

**College Physics **

A rifle bullet with a mass of 17.5 g traveling toward the right at 293 m/s strikes a large bag of sand and penetrates it to a depth of 23.6 cm. Determine the magnitude and direction of the friction force (assumed constant) that acts on the bullet.
*October 9, 2012 by JB*

**Physics**

The velocity of a 629-kg auto is changed from 10.0 m/s to 44.0 m/s in 70.0 s by an external, constant force. (a) What is the resulting change in momentum of the car? (b) What is the magnitude of the force?
*December 2, 2008 by Anonymous*

**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*

**math/physics**

A 90.0-g disk traveling 3.00 m/s to the right collides with a 75.0-g disk traveling 8.00 m/s to the left. After the collision, the heavier disk is traveling 7.00 m/s to the left. What is the velocity of the lighter disk after the collision? Do I have this setup right? (90.0*3....
*October 8, 2014 by Jay*

**College Physics**

In designing rotating space stations to provide for artificial-gravity environments, one of the constraints that must be considered is motion sickness. Studies have shown that the negative effects of motion sickness begin to appear when the rotational motion is faster than ...
*October 2, 2010 by Dawn*

**physics**

Entrance and exit ramps for freeways are often circular stretches of road. As you go around one at a constant speed, you will experience a constant acceleration. Suppose you drive through an entrance ramp at a modest speed and your acceleration is 3.0m/s2 . What will be the ...
*September 18, 2013 by Anonymous*

**physics**

A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of 260 N applied to its edge causes the wheel to have an angular acceleration of 0.795 rad/s2. (a) What is the moment of ...
*November 15, 2012 by Shane*

**physics**

A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of 250 N applied to its edge causes the wheel to have an angular acceleration of 1.053 rad/s2. (a) What is the moment of ...
*November 30, 2012 by heather*

**physics**

A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of 280 N applied to its edge causes the wheel to have an angular acceleration of 0.960 rad/s2. (a) What is the moment of ...
*March 8, 2015 by alba*

**physics**

a racing car has a uniform acceleration of 4ms-2. what distances will it cover in 10s after start?
*July 6, 2012 by tinku*

**physics**

a train starts from rest and accelerates uniformly at 100m/min^2 for 10 min.then it maintains a constant velocity for remaining 20 min.brakes are applied and train uniformly retards and comes to rest in next 5 min. a)the maximum velocity reached b)the retardation in last 5 min...
*May 28, 2012 by parul*

**physics**

a train starts from rest and accelerates uniformly at 100m/min^2 for 10 min.then it maintains a constant velocity for remaining 20 min.brakes are applied and train uniformly retards and comes to rest in next 5 min. a)the maximum velocity reached b)the retardation in last 5 min...
*May 30, 2012 by parul*

**physics**

a train starts from rest and accelerates uniformly at 100m/min^2 for 10 min.then it maintains a constant velocity for remaining 20 min.brakes are applied and train uniformly retards and comes to rest in next 5 min. a)the maximum velocity reached b)the retardation in last 5 min...
*May 30, 2012 by PLZ HELP ME NOW...*

**physics...PLZ HELP! =)**

A constant force acts on a moving object. The object makes a fixed magnitude of displacement in some direction. In general, in what direction is the displacement that will result in the object traveling with the least kinetic energy after the displacement occurs? A.The same ...
*October 16, 2012 by Elizabeth*

**Physics**

Mass m_A rests on a smooth horizontal surface, m_B hangs vertically. If m_A=15.0 kg and m_B=3.0 kg in the figure , determine the magnitude of the acceleration of each block.Enter your answers numerically separated by a comma. If initially m_A is at rest 1.300 m from the edge ...
*September 23, 2009 by Physics*

**physics**

A sports car has a weight of 9,300 N and can accelerate from rest to a velocity of 30.0 m/s in a measured time of 11s.1)what is the mass of the car? 2) what is the kinetic energy of the car at the end of this acceleration?
*November 8, 2012 by tommy*

**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**

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**

When Gorix escaped from Dr. Sloth's ship, his ship started at rest. Gorix immediately set his thrusters to full power, and his ship's acceleration increased by 2 m/s2 every second for 15 seconds. At that point, the ship remained at constant acceleration for another 30 seconds...
*April 3, 2008 by Andrea*

**Physics**

Two identical dragsters, starting from rest, accelerate side by side along a straight track. The wheels have identical angular acceleration. The wheels on one of the cars roll without slipping, while the wheels on the other slip during part of the time...
*April 5, 2008 by James*

**Physics**

A rocket blasts off vertically from rest on the launch pad with an upward acceleration of 2.30 . At 10.0 after blastoff, the engines suddenly fail, which means that the force they produce instantly stops. How high above the launch pad will the rocket eventually go? Find the ...
*September 10, 2006 by JC*

**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**

An automobile traveling along a straight road increases its speed from 89 ft/s to 104 ft/s in 180 ft. If the acceleration is constant, how much time elapses while the auto moves the 180 ft? Answer in units of s
*October 5, 2014 by Confused Student*

**Physics**

Suppose two boxes on a frictionless table are connected by a heavy cord of mass 1.0 kg. Calculate the acceleration (magnitude) of each box and the tension (magnitude) at each end of the cored, using the free-body diagrams shown in Figure 4-53. Assume FP = 44.0 N, ma = 11.0 kg...
*October 13, 2011 by Sydney*

**physics**

A car is being pulled out of the mud by two forces that are applied by the two ropes shown in the drawing. The dashed line in the drawing bisects the 30.0 angle. The magnitude of the force applied by each rope is 2900 newtons (N). (a) How much force would a single rope need ...
*June 28, 2013 by will*

**physics**

A car is being pulled out of the mud by two forces that are applied by the two ropes shown in the drawing. The dashed line in the drawing bisects the 30.0 angle. The magnitude of the force applied by each rope is 2900 newtons (N). (a) How much force would a single rope need ...
*January 27, 2014 by tim*

**Physics**

Two forces, F1 and F2 , act at a point. F1 has a magnitude of 8.80N and is directed at an angle of 64.0 degree above the negative x axis in the second quadrant. F2 has a magnitude of 7.00N and is directed at an angle of 52.8 degree below the negative x axis in the third ...
*September 20, 2008 by Poole*

**PHYSICS PLEASE HELP !!!!!**

A mass of 30 kg lies on a horizontal surface with a coefficient of static friction of 0.72 and a coefficient of kinetic friction of 0.31. If a force of 25.1 Newtons is applied parallel to the surface (+x direction if you prefer), what is the magnitude of the acceleration of ...
*October 25, 2011 by Amanda *

**Math**

A truck traveling at an average rate of 45 miles per hour leaves a rest stop. Fifteen minutes later a car traveling at an average rate of 60 miles per hour leaves the same rest stop traveling the same route. How long will it take for the car to catch up with the truck?
*February 12, 2013 by nick*

**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**

How long does it take a care traveling 100 mph to catch up to a car traveling 80 mph
*May 27, 2012 by Al*

**physics**

A 25 g bullet traveling at 280 m/s passes completely through a wooden block, initially at rest on a smooth table. The block has a mass of 1000 g. The bullet emerges traveling in the same direction, but at 50 m/s. What percentage of total kinetic energy is lost in the process?
*November 15, 2011 by Rebecca*

**math**

The value of a new car decreases exponentially.Suppose your mother buys a new car for 22,000. The value of the car decreases by 20% each year. a.what is the initial price of the car. The decay factor. b. write an equation to model the value of the cars years after she buys it...
*October 14, 2012 by john*

**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**

A car accelerates from rest at 2.3m/s^2 for 18 seconds, then decelerates to 15 m/s over 301 meters. A) How fast is the car moving at 18seconds? (Is it 2.3 m/s^2) B) How far does the car travel over the entire trip? (The m/s and m/s^2 is tripping me up) C) How long does it ...
*September 2, 2014 by Emily*

**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*

**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 1.10 x 10 cubed kg car accelerates from rest for a time period of 5.0 sec. The magnitude of the acceleration is 4.60 m/s squared. determine the average power generated by the force that accelerates the vehicle
*November 16, 2010 by Derick*

**Physics**

It takes a force of 53kN on the lead car of a 16-car passenger train with mass 9.1x 10^5 kg to pull it atconstant 45 m/s on level tracks. (a) What power must the locomotive provide to the lead car? (b) How much more power to the lead car than calculated in pan (c) Would be ...
*March 23, 2015 by Ben *

**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 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**

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*

**math**

Forces are applied to two ropes which are attached to the bumper of a stalled car. If F1 = 100 lbs at an angle of θ1 = 58 degrees, find the necessary magnitude and direction of force F2 so that the resultant force is 190 lbs in the direction shown.
*December 6, 2013 by nick*

**physics**

Part 1 A block of mass 4 kg, which has an initial speed of 8 m/s at time t = 0, slides on a horizontal surface.Find the magnitude of the work that must be done on the block to bring it to rest. Answer in units of J. Part 2 If a constant friction force of magnitude 5 Newtons is...
*February 25, 2011 by ally*

**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*

**physics**

michael starts at x=3 m and travels to the right at a constant 6 m/s for 2 s. he then slows down at a constant rate, coming to rest at 4 s after beginning to slow. A) what is michael's position when t=4 s.? C) What is Michael's velocity when t=4 s? d) What is Michael's ...
*November 14, 2012 by Brianna*

**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 -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**

The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration. The acceleration is directed toward the center of the ...
*January 20, 2015 by mathew*

**physics**

Snow is falling vertically at a constant speed of 6.6 m/s. At what angle from the vertical do the snowflakes appear to be falling as viewed by the driver of a car traveling on a straight, level road with a speed of 66 km/h?
*September 16, 2009 by Nick*

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