
physics
a car with a mass of 900kg and a car with a mass of 2000kg collide. one car is moved away from the impact point as one mass at 16.0m/s in the direction 24 degrees west of south. what was the initial speed of each car prior to the collision?
asked by kristen on August 10, 2014 
physics
A car is traveling at a constant initial velocity of 100km/h on a level portion of road. It encounters a 6 percent incline (tan(theta)= 6/100) at point A and the car decelerates at a constant rate of gsin(theta). Find the speed of the car (a) 10 seconds
asked by Jessi on October 4, 2009 
physics 4a
A bumper car with mass m1 = 106 kg is moving to the right with a velocity of v1 = 4.4 m/s. A second bumper car with mass m2 = 96 kg is moving to the left with a velocity of v2 = 3 m/s. The two cars have an elastic collision. Assume the surface is
asked by Lis on November 4, 2018 
Physics
In a car crash, Car A rear ends Car B that stopped at a red light. After the crash, Car A and Car B meld together moving at a speed of 14 m/s. Car A has a mass of 1750 kg. Car B has a mass of 2000 kg. Calculate the initial momentum of Car A. So far I have
asked by Rebecca on November 30, 2015 
physics ( please help me)
a railroad handcar is moving along striaght, fricionless tracks. In each of the following cases the car initially has a total mass (car and contents of magniude 4.00 m/s^1. Find the final velocity of the car in each of the three cases. A) a 40.0 kg mass is
asked by taylor on April 3, 2012 
science
A 9volt battery supplies 0.125 A of electrical current to a toy car. The car has a mass of 0.100 kg and the coefficient of friction between the tires and the ground is 0.4. If the car is 100% efficient, how far will the car travel in 10 seconds?
asked by Anonymous on April 28, 2016 
physics
A bumper car with mass m1 = 100 kg is moving to the right with a velocity of v1 = 4.6 m/s. A second bumper car with mass m2 = 86 kg is moving to the left with a velocity of v2 = 3.8 m/s. The two cars have an elastic collision. Assume the surface is
asked by stewart on October 14, 2014 
Physics
A car of mass 1000kg is travelling along a straight flat road at a constant speed of 30.0ms^1. It then accelerates with constant acceleration of 3.00ms^2 for 10.0s, after which it continues to travels at a constant speed. Determine: (a) The final speed
asked by Saphina Almatary on October 17, 2016 
Physics
A railroad car with a mass of 12400 kg collides and couples with a second car of mass 18700 kg that is initially at rest. The first car is moving with a speed of 7.7 m/s prior to the collision. (a) What is the initial momentum of the first car? (b) If
asked by Anonymous on July 7, 2014 
physics (urgent)
A car of mass 1000kg is travelling along a straight flat road at a constant speed of 30.0ms^1. It then accelerates with constant acceleration of 3.00ms^2 for 10.0s, after which it continues to travels at a constant speed. Determine: (a) The final speed
asked by Saphina AlMatary on October 18, 2016 
Physics
train car with mass m1 = 521 kg is moving to the right with a speed of v1 = 7.9 m/s and collides with a second train car. The two cars latch together during the collision and then move off to the right at vf = 5.1 m/s. 1)What is the initial momentum of the
asked by John on March 1, 2013 
physics
a compact car has mass 725 kg and is moving at 100 km/h. a) find its momentum b) at what velocity is the momentum of a larger car, mass 2175 kg., equal to that of the smaller car?
asked by skhan on January 31, 2011 
Physics
A car with a mass of 100 kg, with initial v = 1 m/s, has 60 Joules of energy added for 50 m. What is the final velocty? I'm using KE = 1/2 mv^2 to find initial KE. Then add 600 J to this for the final KE. Thus, W = KFf  KEi; KEf = W + KEi and KEf =
asked by Jack on January 17, 2010 
physics
An experimental flywheel, used to store energy and replace an automobile engine, is a solid disk of mass 202.0 kg and radius 0.35 m. (a) What is its rotational inertia? (b) When driving at 22.4 m/s (50 mph), the fully energized flywheel is rotating at an
asked by opp on March 22, 2012 
Physics
A train car with mass m1 = 591 kg is moving to the right with a speed of v1 = 7.3 m/s and collides with a second train car. The two cars latch together during the collision and then move off to the right at vf = 4.7 m/s. a. What is the initial momentum of
asked by MUHAMMAD JUNAID on March 26, 2019 
Physics
A car is stationary at a stop sign when it is hit directly from behind by a truck of mass 3000kg which was travelling at a speed of 9 m/s immediately before the collision. The two vehicles lock together and move forward with an initial speed of 6 m/s. a)
asked by Dani on October 21, 2015 
Physics
A car is stationary at a stop sign when it is hit directly from behind by a truck of mass 3000kg which was travelling at a speed of 9 m/s immediately before the collision. The two vehicles lock together and move forward with an initial speed of 6 m/s. a)
asked by Dani on October 21, 2015 
Engineering Physics
A car and a train move together along straight, parallel paths with the same constant cruising speed v(initial). At t=0 the car driver notices a red light ahead and slows down with constant acceleration a(initial). Just as the car comes to a full stop,
asked by Andrew Rozmarynowycz on September 16, 2009 
Physics Lab
Collision derivation problem. A car is released from rest on a frictionless inclined plane. Assume h/L is approximately equal to y/x. equations. If the car has a mass of 0.2 kg, the ratio of height to width of the ramp is 11/110, the initial displacement
asked by Tiff on July 20, 2013 
Physics
An open railroad car of mass 2445 kg is coasting with an initial speed of 22 m/s on a frictionless, horizontal track. It is raining, and water begins to accumulate in the car. After some time, it is found that the speed of the car is only 5 m/s. How much
asked by Alex on May 30, 2012 
physics
An open railroad car of mass 2449 kg is coasting with an initial speed of 17 m/s on a frictionless, horizontal track. It is raining, and water begins to accumulate in the car. After some time, it is found that the speed of the car is only 10 m/s. How much
asked by glenmore on December 4, 2011 
Science
A car weighing 24,500 Newtons is traveling east and travels a distance of 100 meters in 20 seconds. What is the car's mass? What is the car's kinetic energy?
asked by Lele Reynolds on April 12, 2013 
Physics
A bumper car with mass m1 = 109 kg is moving to the right with a velocity of v1 = 4.9 m/s. A second bumper car with mass m2 = 83 kg is moving to the left with a velocity of v2 = 3.5 m/s. The two cars have an elastic collision. Assume the surface is
asked by MUHAMMAD JUNAID on March 26, 2019 
Physics
In an elastic collision, a 300 kg bumper car collides directly from behind with a second, identical bumper car that is traveling in the same direction. The initial speed of the leading bumper car is 4.90 m/s and that of the trailing car is 6.20 m/s.
asked by Haya on April 15, 2017 
scienc
I'm driving my car of mass 1000 kg at 100 km/hr when I accidentally hit the rear end of a truck of mass 5000 kg traveling in the same direction at 90 km/hr. My car and the truck lock together and move as a single object. Let F1 be the force the truck
asked by ayan on March 18, 2013 
physics
Car X passes car Y on a motorway. Car X is travelling at 1.5 times the speed of car Y. The mass of car X is 5/4 of the mass car Y. How do the kinetic energies of the two cars compare? (the answer is KE (X) = 1.80 * KE (Y))
asked by Valeriya on February 4, 2019 
physics
2 identical cars capable of accelerating at 3.00m/s^2 are racing on a straight track with running starts. car A has an initial speed of 2.50m/s and car B has an initial speed of 5.00m/s. what is the seperation of the 2 cars after 10seconds? which car is
asked by Anonymous on September 20, 2010 
physics
A bus and a car have an inelastic headon collision. The bus has a mass of 1.5 × 103 kilograms and an initial velocity of +20 meters/second. The car has a mass of 9.5 × 102 kilograms and an initial velocity of 26 meters/second. What is their total
asked by Anonymous on July 24, 2014 
physics
A bus and a car have an inelastic headon collision. The bus has a mass of 1.5 × 103 kilograms and an initial velocity of +20 meters/second. The car has a mass of 9.5 × 102 kilograms and an initial velocity of 26 meters/second. What is their total
asked by bianca on February 25, 2016 
physics
A bus and a car have an inelastic headon collision. The bus has a mass of 1.5 × 103 kilograms and an initial velocity of +20 meters/second. The car has a mass of 9.5 × 102 kilograms and an initial velocity of 26 meters/second. What is their total
asked by Anonymous on May 28, 2013 
Mechanics  physics
A car of mass 400kg moving initial at 36km/h increases to 120km/h in 6sec, what is the force acting on the car?
asked by Precious on January 4, 2013 
physics
A 100g toy car is propelled by a compressed spring that starts it moving. The car follows the curved track Show that the final speed of the toy car is 0.687 m/s if its initial speed is 2.00 m/s and it coasts up the frictionless slope, gaining 0.180 m in
asked by effraim on March 25, 2014 
Science halp
6.Two cars with different masses travel at the same speed down a hill toward a stop sign. What will happen when both cars apply brakes at the same time to stop? * A. The car with the smaller mass will require less force to stop than the car with the larger
asked by Sanic fest speds :D on February 16, 2018 
Physics
The mass of a sports car is 1200 kg. The shape of the car is such that the aerodynamic drag coefficient is 0.250 and the frontal area is 2.30 m2. Neglecting all other sources of friction, calculate the initial acceleration of the car ,if it has been
asked by Jamie on February 24, 2011 
Physics
The mass of a sports car is 1200 kg. The shape of the car is such that the aerodynamic drag coefficient is 0.250 and the frontal area is 2.30 m2. Neglecting all other sources of friction, calculate the initial acceleration of the car ,if it has been
asked by Alex on October 9, 2014 
Physics
A car is traveling at 7.0 m/s when the driver applies the brakes. The car moves 1.5 m before it comes to a complete stop. If the car had been moving at 14 m/s, how far would it have continued to move after the brakes were applied? Assume the braking force
asked by Kayla on November 12, 2016 
physics
A railroad freight car of mass 3.30 104 kg collides with a stationary caboose car. They couple together, and 16.0% of the initial kinetic energy is transferred to thermal energy, sound vibrations, and so on. Find the mass of the caboose.
asked by Anonymous on December 14, 2008 
Physics
The mass of a sports car is 1100 kg. The shape of the car is such that the aerodynamic drag coefficient is 0.240 and the frontal area is 2.40 m2. Neglecting all other sources of friction, calculate the initial acceleration of the car ,if it has been
asked by Simi on July 10, 2010 
physics
A car tavels a distance of 100 m with a constant acceleration and average velocity of 20 m per second .The final velocity acquire D by the car is 25m per second .find the initial velocity and acceleration of car
asked by spoorthi.p on July 2, 2013 
physics
The Mini Cooper is rated at a maximum power of 115. hp (1 hp=746 W), when moving at 80.0 km/h. Assume that the net force accelerating the car is constant. The total mass of the car with a rider and some fuel is 1230 kg. How many seconds will it take for
asked by noreen on January 11, 2011 
Physical Science
A 1000kg car moving at 80 km/h collides head on with a 100kg car moving west at 40km/h, and the two cars stick together. Which way does the wreckage move and with what initial speed?
asked by Jason on September 11, 2011 
physics
A car of mass 907 kg coasts on a level road, starting with an initial speed of 14.2 m/s and coming to rest 15.2 s later. Find the frictional force acting on the car.
asked by Brett on February 20, 2012 
physics
Two cars are approaching a perpendicular intersection without a stop sign. Car 1 has a mass 900 kg and is heading north and car 2 has mass 900 kg and is heading west. The two cars collide at the intersection, and stick together as a result of the
asked by Anonymous on July 4, 2014 
physAH!
A car that is initially at rest moves along a circular path with a constant tangential acceleration component of 2.07 m/s2. The circular path has a radius of 42.4 m. The initial position of the car is at the far west location on the circle and the initial
asked by opp on February 20, 2012 
Physics
A railroad car (m=3000 kg) is coasting along a level track with an initial speed of 22 m/s. A load of coal is then dropped into the car as sketched in the figure below. (a) What are the velocities of the car and the coal before the collision along the x
asked by David on October 27, 2012 
Physics
A blue car with mass mc = 410.0 kg is moving east with a speed of vc = 23.0 m/s and collides with a purple truck with mass mt = 1248.0 kg that is moving south with a speed of vt = 10.0 m/s . The two collide and lock together after the collision. 1)What is
asked by Mike on October 8, 2012 
Chemistry
Calculate the molar mass of a diprotic acid. It reaches the endpoint of the titration with NaOH at 28ml. The initial concentration of NaOH is 0.09792. and the initial mass of the diprotic acid is 0.685g. I keep getting a molar mass of 500g/mol. but the
asked by Katie on March 30, 2013 
Chemistry
Calculate the molar mass of a diprotic acid. It reaches the endpoint of the titration with NaOH at 28ml. The initial concentration of NaOH is 0.09792. and the initial mass of the diprotic acid is 0.685g. I keep getting a molar mass of 500g/mol. but the
asked by Katie on March 30, 2013 
Physics
A sports car with a very powerful engine driving on a surface with a coefficient of static friction µs = 0.8 wants to accelerate from a stop to 100 km/hr. (You may neglect air resistance.) a) What is the fastest that the car can accomplish this? b) How
asked by ji on April 25, 2015 
Physics
A freight car with a mass of 29,000 kg rolls down an inclined track through a vertical distance of 2.8 m. At the bottom of the incline, on a level track, the car collides and couples with an identical freight car that was at rest. What percentage of the
asked by Yuki on November 16, 2011 
Terzulum
a car A is 200m behind car B both are traveling in the same direction, initial velocity 25m/s starting their motion at the same time they accelerate at 30, car A overtook car B after 20sec this time car B was travelin at the velocity 27.gm/s, what was the
asked by Ioror on July 28, 2015 
Physics
A rollercoaster car with a mass of 650 kg starts at rest from a point 28 m above the ground. At point B, it is 14 m above the ground. [Express your answers in kilojoules (kJ).] (a) What is the initial potential energy of the car? 1 . kJ (b) What is the
asked by Sara on March 5, 2012 
physics
A car moving with an initial speed v collides with a second stationary car that is 50.7 percent as massive. After the collision the first car moves in the same direction as before with a speed that is 33.2 percent of the original speed. Calculate the final
asked by Erin on March 26, 2014 
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 headon collision. The essential safety benefit of
asked by Marc on April 11, 2012 
physics
several students are riding in bumper cars at an amusement park. the combined mass of a car A and its occupants is 250 kg. the combined mass of car B and its occupants is 200 kg. Car A is 15 m away from car B and moving to the right at 2 m/s when the
asked by shelly on June 9, 2008 
Physics
A sports car with a very powerful engine driving on a surface with a coefficient of static friction µs = 0.8 and a ten degree incline wants to accelerate from a stop to 100 km/hr. (You may neglect air resistance.) a) What is the fastest that the car can
asked by ji on April 26, 2015 
Physics
When four people with a combined mass of 320 kg sit down in a car, they find that the car drops 0.80 cm lower on its springs. Then they get out of the car and bounce it up and down. What is the frequency of the car's vibration if its mass (when it is
asked by Y0gi on December 7, 2010 
science
A subcompact car, mass 1,000 kg, runs into and sticks to an atrest, 2,200 kg SUV. If their final speed is 4.7 m/s, what was the smaller car's initial speed?
asked by tyreek thames on July 2, 2012 
Physics
A car with a mass of 950 kg and an initial speed of v1 = 21.5 m/s approaches an intersection, as shown in the figure. A 1300 kg minivan traveling northward is heading for the same intersection. The car and minivan collide and stick together. If the
asked by Will on October 19, 2008 
Algebra
While traveling in a car, the centrifugal force a passenger experiences as the car drives in a circle varies jointly as the mass of the passenger and the square of the speed of the car. If the a passenger experiences a force of 100.8 newtons when the car
asked by Anonymous on March 16, 2010 
physics plz help
1) A car is moving at 100 km/hr. Its mass is 950 kg. Find its KE. 2) What force is needed to accelerate a 1300kg car from rest to 20 m/s in 80 m? 3) A 1200kg car going 30 m/s skids to rest. The friction force is 6000 N. How far does it skid?
asked by Salmon24 on October 23, 2015 
Physics
Two geekie physics students with a combined mass of 131 kg jump into their old car to run out for some late night pizza. The distance between the front and back axles of the car is 2.9 m. When they get in the car, the springs compress a total of 9.3 cm. On
asked by Jacob on April 13, 2010 
physics
Two cars are on a collision course. One is going right 18 m/s and has a mass of 860kg. The other is going left at 24 m/s and has a mass of 840 kg. 1. Find the total initial momentum of the two cars For this question I did first car: 860(18) = 15480 second
asked by Anonymous on October 15, 2017 
physics
When four people with a combined mass of 320 kg sit down in a car, they find that the car drops .80 cm lower on its springs. THen they get out of the car and bounce it up and down. What is the frequency of the car's vibration if its mass (empty) is 2.0 X
asked by sam on March 15, 2007 
Physics
A submarine of mass 2.55 × 106 kg and initially at rest fires a torpedo of mass 254 kg. The torpedo has an initial speed of 100 m/s. What is the initial recoil speed of the submarine? Neglect the drag force of the water.
asked by Anon on December 9, 2017 
physics
A rollercoaster car with a mass of 550 kg starts at rest from a point 46 m above the ground. At point B, it is 23 m above the ground. [Express your answers in kilojoules (kJ).] (a) What is the initial potential energy of the car? Incorrect: Your answer is
asked by Tammy on September 28, 2013 
PHYSICS
WHEN SIX PEOPLE WHOSE AVERAGE MASS IS 84 KG SIT DOWN IN A CAR, THEY FIND THAT THE CAR DROPS .84 CM LOWER ON ITS SPRINGS. THEN THEY HAVE GET OUT OF THE CAR AND BOUNCE IT UP AND DOWN. THE ACCELERATION OF GRAVITY IS 9.8 M/S^2. WHAT IS THE FREQUENCY OF THE
asked by KOCHU on January 13, 2013 
Calculus
The halflife of Palladium100 is 4 days. After 12 days a sample of Palladium100 has been reduced to a mass of 4 mg. What was the initial mass (in mg) of the sample? What is the mass 5 weeks after the start?
asked by <3 on February 18, 2010 
Chemistry
Calculate the molar mass of a diprotic acid. The reaction reaches the endpoint of the titration with NaOH at 28ml. The initial concentration of NaOH is 0.09792. and the initial mass of the diprotic acid is 0.685g. How do you get to the final answer? All of
asked by Shannon on March 31, 2013 
Physics ~please help me!
1.) A car (m=1200 kg) moves form 2.0 m/s to 15.0 m/s in 100 m. a) What is the initial kinetic energy of the car? b) What is the final kinetic energy of the car? c) what is the net work applied to the car? d) what force is applied to the car? 2.) A simple
asked by Isis on February 3, 2013 
Physics
A blue car with mass mc = 528 kg is moving east with a speed of vc = 17 m/s and collides with a purple truck with mass mt = 1352 kg that is moving south with an unknown speed. The two collide and lock together after the collision moving at an angle of θ =
asked by MUHAMMAD JUNAID on March 26, 2019 
Physics
Two cars approach along icy streets which meet at a right angle to one another. The cars collide and stick together. One car has a mass of 1200 kg and had a speed of 30 km/h in the +x direction before the collision. The second car has a mass of 1500 kg and
asked by Anonymous on November 6, 2016 
Physics
A drunken driver crashes his car into a parked car that has its brakes set. The two cars move off together (perfectly inelastic collision), with the locked wheels of the parked car leaving skid marks 6.0 m in length. If the mass of the moving car is 2130kg
asked by Juicy on October 27, 2015 
Physics
Two cars approach along icy streets which meet at a right angle to one another. The cars collide and stick together. One car has a mass of 1200 kg and had a speed of 30 km/h in the +x direction before the collision. The second car has a mass of 1500 kg and
asked by Anonymous on November 6, 2016 
physics
An astronaut (mass of 100 kg, with equipment) is headed back to her space station at a speed of 0.750 m/s but at the wrong angle. To correct her direction, she fires rockets from her backpack at right angles to her motion for a brief time. These
asked by mary on November 19, 2014 
physics
A 28000 kg railroad freight car collides with a stationary caboose car. They couple together, and 20 percent of the initial kinetic energy is dissipated as heat, sound, vibrations, and so on. What is the mass of the caboose?
asked by Tully on March 16, 2014 
inter Algebra
Pick a car and find its top speed. Assuming that your chosen car reaches its top speed at the top of a ramp, leaving the ramp vertically 20 feet about the ground: 1.) When will the car land back on the ground? 2.) When would the car be traveling the
asked by linda on November 14, 2010 
physics
A car moving with an initial speed v collides with a second stationary car that is 46.0 percent as massive. After the collision the first car moves in the same direction as before with a speed that is 37.7 percent of the original speed. Calculate the final
asked by Sami on March 24, 2014 
physics
Two cars, one of mass 1300 kg, and the second of mass 2200 kg, are moving at right angles to each other when they collide and stick together. he initial velocity of the first car is 14 m/s in the positive x direction and that of the second car is 18 m/s in
asked by luma on December 20, 2015 
physics
A 1000 kg car in neutral gear slow from 15 m/s to a stop in 5.0 s due to the force of friction. A. What was the acceleration of the car. B. What was the car’s initial momentum? C. What was its final momentum? D. What was the change in momentum of the
asked by Anonymous on October 23, 2011 
Physics
Two geekie physics students with a combined mass of 131 kg jump into their old car to run out for some late night pizza. The distance between the front and back axles of the car is 2.9 m. When they get in the car, the springs compress a total of 9.3 cm. On
asked by Jacob on April 12, 2010 
physics
A car with a mass of 980 kg is initially traveling east toward an intersection with a speed of vc = 18.9 m/s and a 1500 kg pickup is traveling north toward the same intersection. The car and truck collide at the intersection and stick together. After the
asked by Diane on November 30, 2012 
Chemistry
I'm sorry But I'm still so badly stuck and I don't get it Initial mass of candle 40.3g Mass of tin calorimeter 41.1g Mass of halffilled calorimeter with water 220.4g Initial temp of water 18.8°C Final temp of water 26.6°C Final mass of candle 38.2g
asked by Anonymous on September 10, 2017 
Chemistry
A flask has 1.00 L of O2 (g) at STP (the amount of gas and volume are held constant, P=1 bar) and the second has 1.00 L of O2 at 100 C. What mass of O2 must release if we get the pressure to remain at 1.00 bar when it's heated to 100 C? Can someone please
asked by Kristine on October 3, 2012 
Kinematics
A car is travelling north on a highway at 25 m/s. Just as the car crosses a perpendicularly intersecting crossroad, the passenger throws out a can horizontally, towards the east. The initial speed of the can relative to the car is 10 m/s. It is released at
asked by Jenna on July 3, 2019 
Maths
Any help with the following would be greatly appreciated. I don't understand how to use the information given to create the equation. 1) A car travels between A and B at an average speed of 60 km/h. If the car increased its average speed to 100 km/h it
asked by Sindy on April 21, 2010 
Physics
17. A shell having a mass of 25kg is fired horizontally eastward from a cannon with a velcoity of 500m/s. If the mass of the cannon is 1000kg, what is the magnitude and direction of the velocity of recoil? 18. A bomb having a mass of 8kg explodes into two
asked by James Caulfield on December 1, 2010 
physics
17. A shell having a mass of 25kg is fired horizontally eastward from a cannon with a velcoity of 500m/s. If the mass of the cannon is 1000kg, what is the magnitude and direction of the velocity of recoil? 18. A bomb having a mass of 8kg explodes into two
asked by James Caulfield on December 1, 2010 
Physics
A 1100 kg car collides with a 1500 kg car that was initially at rest at the origin of an xy coordinate system. After the collision, the lighter car moves at 20.0 km/h in a direction of 35 o with respect to the positive x axis. The heavier car moves at
asked by Alex on November 4, 2014 
physics
A 1100 kg car collides with a 1500 kg car that was initially at rest at the origin of an xy coordinate system. After the collision, the lighter car moves at 20.0 km/h in a direction of 35 o with respect to the positive x axis. The heavier car moves at
asked by Alex on November 4, 2014 
Math
A car is projected directly up an incline and its location from its start point is given by the formula s = 9t  5t2. Determine its initial velocity and initial acceleration. initial velocity in m/s = initial acceleration in m/s2 = My Answer s'=910t
asked by Brownie on January 29, 2013 
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 
Physics
In a performance test, each of two cars takes 9.4 s to accelerate from rest to 24 m/s. Car A has a mass of 1358 kg, and car B has a mass of 2014 kg. Find the net average force that acts on (a) car A and (b) car B during the test.
asked by Michael on March 22, 2011 
Science
Two football players collide headon in midair while chasing a pass. The first player has a 100 kg mass and an initial velocity of 4.00 m/s in the positive x direction, while the second player has a 130 kg mass and initial velocity of 3.30 m/s in the
asked by Anonymous on October 16, 2014 
physics?
Your bumper car is travelling at 2 m/s. The total mass of you and your car is 350 kg. An empty motionless bumper car with a mass of 250 kg is in your path. How fast in m/s will your car move after you collide with it head on?
asked by anonymous on September 7, 2017 
physics
A sled of mass m is given a kick on a frozen pond. The kick imparts to it an initial speed of 2.00 m/s. The coefficient of kinetic friction between sled and ice is 0.100. Use energy considerations to find the distance the sled moves before it stops. find
asked by Jean on March 7, 2007 
physics
A car with a mass of 1.1 × 103 kilograms hits a stationary truck with a mass of 2.3 × 103 kilograms from the rear end. The initial velocity of the car is +22.0 meters/second. After the collision the velocity of the car is 11.0 meters/second. What is the
asked by Edwin on May 23, 2017 
Physics
A rock is thrown into a railroad car standing on a level frictionless track. If the rock has a mass of ms = 1.100 kg and is tossed with a velocity v = 6.3 m/s, how far up will the car go (mc = 5.400 kg) before stopping? Please explain
asked by Harriet on January 4, 2014 
Physical Science
Determine how long it will take given the scenario below (in time and in distance) to react to the car in front of you. Assume that the car in front of you takes 3 seconds to change speeds. Reaction time 1.6 seconds Speed: 75 mph Initial velocity: 33.53
asked by Liz on April 12, 2017 
physics
A car has an initial speed of 23.0 ms1. In addition, there is also wind blowing in direction similar to the car with a force of 30 N. If the brakes are applied and the car skidded for 10 meters before coming to a halt, determine the kinetic friction of
asked by aaron on May 15, 2011
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