Number of results: 32,060
Phisic mechanic
A trailer mechanic pushes a 2500 kg car, home to a speed v, performing a job during the 5000 J. In this process, the car moves 25 m. Neglecting friction between the car and roadway: (A) What is the final velocity v of the car? (B) What horizontal force exerted on the car?
Monday, October 4, 2010 at 12:37am by cls
physics
a car moving with a speed of 50 km/hr can be spotted by breaks after at least 6m.If the same car is moving with a speed of 100km/hr the minimum stopping distance is? options: 1. 24m 2. 6m
Saturday, May 26, 2012 at 5:55am by srikala
physics
A 62-kg boy on a 1.50-kg skateboard moving at +1.2 m/s steps off and lands on the sidewalk with a velocity of +1.1 m/s. How fast is the skateboard moving?
Thursday, February 7, 2008 at 6:11pm by Dorothy
science
A 10.0 kg cart and a 15 kg cart are locked together with a compressed spring between them. They are then released so that the spring pushes the two carts apart. The 15 kg cart is moving at 3.0 m/s afterward. How fast is the 10.0 kg cart moving?
Saturday, February 16, 2013 at 8:34pm by joseph
Physics
Suppose that a NASCAR race car is moving to the right with a constant velocity of +92 m/s. What is the average acceleration of the car? (b) Twelve seconds later, the car is halfway around the track and traveling in the opposite direction with the same speed. What is the ...
Monday, September 5, 2011 at 10:11pm by Kyle
Dynamics
Car A is moving at a constant speed Va=75 km/h, while car C is moving at a constant speed Vc=42 km/h on a circular exit ramp with radius p=80m. Determine the velocity and acceleration of C relative to A.
Sunday, January 30, 2011 at 10:41pm by Matt
Physics
A car that weighs 14600.0 N is initially moving at a speed of 58.0 km/hr when the brakes are applied and the car is brought to a stop in 4.7 s. Find the magnitude of the force that stops the car, assuming it is constant.
Friday, February 3, 2012 at 1:51pm by Katie
physics
The struck car does not move because the Forces applied to the struck car at both ends, by the moving car and by the wall, are equal and cancel.
Saturday, December 22, 2012 at 9:10pm by drwls
physics
1.A truck with a mass 5000 kg is heading East at 20 m/s. Meanwhile a car with a mass 2500 kg is heading North at 30 m/s. The two vehicles collide at an intersection, get stuck together, and the wreckage keeps moving to some direction.find the speed of the wreckage and the ...
Tuesday, July 8, 2008 at 3:22am by Sandhya
physics
A motor car moving at a speed of 72 km/h can not come to a stop in less than 3 s while for a truck this time interval is 5.0s . On a highway the car is behind the truck both moving at 72 km/h . The truck gives a signal that it is going to stop at emergency. At what distance ...
Tuesday, September 18, 2012 at 9:36pm by v
physics
A plane is moving east at 100. km/h while the air around it moves at 30. km/h east. Find VR and draw a vector sketch.
Monday, September 3, 2012 at 3:57pm by Elizabeth
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 ...
Friday, September 10, 2010 at 4:02pm by Chaz
physics
A car of mass 1500 kg traveling at 15.6 m/s loses its brakes and collides with the rear end of the car in front of it, which has a mass of 1020 kg and is traveling in the same direction at 12.5 m/s. If the smaller car is given a speed of 15.3 m/s by the collision, what is the...
Thursday, April 18, 2013 at 10:00pm by YOLO
Physics
An engine is used to pull a train of two cars out of a mine. The floor slopes upward at an angle of 24o. Each car has a mass of 0.8x104 Kg and normally travels without friction on the tracks. The engine can exert a maximum force of 1.4x105 N on car A. If the engineer again ...
Sunday, February 24, 2008 at 2:54pm by Charlie
Physical Science
A 40-kg skater moving at 4 m/s overtakes a 60-kg skater moving at 2 m/s in the same direction and collides with her. The two skaters stick together. What is their final speed?
Sunday, September 11, 2011 at 4:30pm by Help
PHYSICS-URGENT HELP
A stationary police car emits a sound of frequency 1200 Hz that bounces off of a car on the highway and returns to the police car with a frequency of 1250 Hz. The police car is right next to the highway, so the moving car is traveling either directly towards or directly away ...
Friday, July 29, 2011 at 3:03pm by Brit
physics
A motor car moving at a speed of 72 km/h can not come to a stop in less than 3 s while for a truck this time interval is 5.0s . On a highway the car is behind the truck both moving at 72 km/h . The truck gives a signal that it is going to stop at emergency. At what distance ...
Sunday, January 29, 2012 at 12:55am by Vidhu
Physics
An 85 kg jogger is heading due east at a speed of 1.7 m/s. A 55 kg jogger is heading 40° north of east at a speed of 3.4 m/s. Find the magnitude and direction of the sum of momenta of the two joggers.
Tuesday, April 1, 2008 at 3:37pm by Will
PHYSICS
A 5630 kg open railroad car coasts along with a constant speed of 8.64 m/s on a level track. Snow begins to fall vertically and fills the car at a rate of 3.50 kg per minute. Ignoring friction with the tracks, what is the speed of the car after 94.8 min?
Wednesday, June 6, 2012 at 10:38am by Matthew Goldberg
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 is moving at a speed ...
Tuesday, March 16, 2010 at 5:40pm by Anonymous
physics
A red car with a 70kW engine and a mass of 1335kg accelerates at full power for 2s from rest along a level stretch of road heading east before going down a 3m high hill. The driver puts the car in neutral to accelerate as they coast down the hill. Some distance beyond the hill...
Thursday, May 12, 2011 at 9:54am by Hadeel
Physics
Two stunt drivers drive directly toward each other. At time t=0 the two cars are a distance D apart, car 1 is at rest, and car 2 is moving to the left with speed v_0. Car 1 begins to move at t=0, speeding up with a constant acceleration a_x. Car 2 continues to move with a ...
Tuesday, May 26, 2009 at 9:36pm by RJ
Physics
Jake has a mass of 88.0 kg and is zooming along in a 110.0-kg bumper car at 9.4 m/s. He bumped Allen's car, which is sitting at rest. Allen has a mass of 88.0 kg. After the elastic collision, Jake continues ahead with a speed of 3.2 m/s. How fast is Allen's car bumped ...
Monday, March 18, 2013 at 5:59pm by Ian
Algebra
A car travels West for 79 miles before turning at an angle of 22° North of East. The car continues on this path for 63 miles and stops. How far is the car from its starting point? Round your answer to the nearest tenth.
Monday, February 13, 2012 at 7:54pm by Katy
Physical Science
A 40-kg skater moving at 4 m/s overtakes a 60-kg skater moving at 2 m/s in the same direction and collides with her. The two skaters stick together. What is their final speed?
Sunday, September 11, 2011 at 9:54pm by Jason
Physical Science
A 40-kg skater moving at 4 m/s overtakes a 60-kg skater moving at 2 m/s in the same direction and collides with her. The two skaters stick together. What is their final speed?
Sunday, September 11, 2011 at 6:41pm by Jason
Physics
A 1000 kg car pushes a 2000 kg truck that has a dead battery. When the drive steps on the accelerator, the drive wheels of the car push against the ground with a force of 4500 N. a) What is the magnitude of the force of the car on the truck? b) what is the magnitude of the ...
Saturday, June 12, 2010 at 5:57pm by Sarah
physic
a 2500 car enters curve with a radius of 45 m .if the car is moving at speed of 35 m/s.what is the centripetal force that maintains the car s circular motion the curve ?
Monday, March 4, 2013 at 6:56am by said
physics
A 3.0-kg body is initially moving northward at 15 m/s. Then a force of 15 N, toward the east, acts on it for 4.0 s. (a) At the end of the 4.0 s, what is the body’s final velocity? (b) What is the change in momentum during the 4.0 s?
Tuesday, October 26, 2010 at 11:50pm by thomas
PHYSICS FORCE
A car moving at a speed of 48.0 km/h accelerates 100.0 m up a steep hill, so that at the top of the hill its sped is 59.0 km/h. if the car's mass is 1100 kg, what is the magnitude of the net force acting on it? i already know you have to change it to m/s but what do you do...
Wednesday, October 21, 2009 at 7:47pm by lalaglaze
Physics
An old Chrysler with mass 1900 kg is moving along a straight stretch of road at 48 km/h. It is followed by a Ford with mass 1500 kg moving at 65 km/h. How fast is the center of mass of the two cars moving? m1v1 + m2v2= (m1+m2)vcm solve for vcm 55.5
Wednesday, February 21, 2007 at 4:33pm by winterWX
physics
a 1,000 kg car is rolling down the street at 2.5 m/s. How fast would a 2,500 kg car have to collide into it in order to bring it to rest(0 m/s) ?
Tuesday, January 29, 2013 at 6:58pm by Anonymous
physics
A 1000 kg car is rolling down the street at 2.5 m/s. How fast would a 2500 kg car have to collide into it in order to bring it to rest (0 m/s)?
Saturday, December 1, 2012 at 7:49pm by eileen
Physics
a train is moving at 45km/h when a coupling breaks and the last car separates from the train. as soon as the car separates, the brakes are automatically applied, locking all wheels of the runaway car and causing a uniform decelaration of 5 m/s^2. determine the distance the car...
Sunday, February 19, 2012 at 6:10pm by marco
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 10^3 kg? The ...
Thursday, March 15, 2007 at 4:37pm by sam
physics
because it takes more energy to get something moving then keeping something moving. Like pushing a car, its hard to start getting it moving but as you get momentum it gets easier. Hope I helped, I just learned it last week.
Thursday, December 9, 2010 at 6:40pm by Jon
physics
because it takes more energy to get something moving then keeping something moving. Like pushing a car, its hard to start getting it moving but as you get momentum it gets easier. Hope I helped, I just learned it last week.
Thursday, December 9, 2010 at 6:40pm by Jon
Physical science
A car moving at 50km/hr skids 15m with locked brakes. How far will the car skid (with locked brakes if the car moves at 100km/hr assume that the mass of the car is 500kg
Wednesday, July 20, 2011 at 4:01pm by latrice
physics
A train moving at a constant speed of 68.0 km/h moves east for 33.0 min, then in a direction 40.0° east of due north for 30.0 min, and then west for 59.0 min. What is the average velocity of the train during this run? Magnitude km/h Direction ° (counterclockwise east)
Sunday, December 14, 2008 at 5:11pm by john
physic
A mechanic pushes a 2,500 kg car from rest to a speed v, with 5000J of work. During this process the car moves 25m. Neglecting friction, calculate: a) the final velocity of car b) The horizontal force exerted on the car
Sunday, November 7, 2010 at 4:24pm by Luz
physics
An open train car, with a mass of 2070 kg, coasts along a horizontal track at the speed 2.31 m/s. The car passes under a loading chute and, as it does so, gravel falls vertically into it for 3.25 s at the rate of 491 kg/s. What is the car's speed after the loading is ...
Monday, November 19, 2012 at 10:01pm by Alex
physics
The loaded car of a roller coaster has mass M = 320 kg. It goes over the hig a speed v of 21.4 m/s. The radius of curvature R of the hill is 62.3m (a) What is the force (N) that the track must exert on the car? (positive is (b) What must be the force (N) that the car exerts on...
Saturday, August 6, 2011 at 9:41am by waqas
Physics
A 3600 kg open railroad car coasts along with a constant speed of 11.0 m/s on a level track. Snow begins to fall vertically and fills the car at a rate of 3.70 kg/min. Ignoring friction with the tracks, what is the speed of the car after 80.0 min?
Wednesday, November 10, 2010 at 1:47pm by Linda
physics
really confused, A 2kg box is sliding east at 50m/s on a frictionless floor when it collides with a 4kg box sliding east at 10m/s. After the collision, the 2 kg box is sliding east at 20m/s and the 4kg block is sliding east at 25m/s. Calculate the coefficient of restitution. ...
Saturday, October 16, 2010 at 5:10pm by justin
physics
a 4 kg object moving with a speed of 7.8 m/s collides with a 16 kg object moving with a velocity of 7.6 m/s in a direction of 22 degrees from the initial direction of motion the 4 kg object. what is the speed of the two objects after the collision if they remain stuck together
Tuesday, December 7, 2010 at 4:29pm by jacquie
physics
a car of mass 500kg is moving at 24m/s. A lion of mass 100kg drops on to the roof of the car from an overhanging branch. Show that the car will slow down to 20m/s.
Saturday, January 14, 2012 at 2:46am by sepira
PHYSICS
A car is traveling around a circular banked road without friction which is inclined at 24 degrees. When the car is traveling at 18.2 m/s around the road, it is moving at the bottom on the incline (inner radius of the road when viewed from an aerial view). When the car is ...
Friday, October 21, 2011 at 4:31pm by Anonymous
Physics
A mine car (mass 380 kg) rolls at a speed of 0.5 m/s on a horizontal track, as the drawing shows. A 150 kg chunk of coal has a speed of 0.80 m/s when it leaves the chute. Determine the velocity of the car/coal system after the coal has come to rest in the car.
Tuesday, April 1, 2008 at 4:25pm by Will
physics
A 500-kg cannon and a supply of 80 cannon balls, each with a mass of 45.0 kg, are inside a sealed railroad car with a mass of 11000 kg and a length of 49 m. The cannon fires to the right; the car recoils to the left. The cannon balls remain in the car after hitting the wall. ...
Saturday, March 3, 2012 at 12:03pm by Katie
science
A car travels 5km to east. Then it goes 3km to north and then 2km to west. What is the displacement the car has traveled?
Monday, November 19, 2012 at 12:10am by Mouli
Physics
A 3.9 kg body is initially moving northward at 15 m/s. Then a force of 13 N, toward the east, acts on it for a time of 3.8 s. At the end of that time, what is the body's final velocity? (magnitude and direction)
Monday, October 22, 2007 at 9:16pm by Dante
HELPPPPP
so im done with everything except fro this question : A(n) 2.3 kg object moving with a speed of 8.6 m/s collides with a(n) 4 kg object moving with a velocity of 8.8 m/s in a direction39.0135◦ from the initial direction of motion mof the 2.3 kg object.What is the ...
Wednesday, October 27, 2010 at 8:21pm by dan
physics
A 85.0 kg person steps into a car of mass 2500.0 kg, causing it to sink 2.5 cm. Assuming no damping, with what frequency will the car and passenger vibrate on the springs?
Monday, April 28, 2008 at 3:22pm by help?
physics
How fast a Ford Focus car weighing 1200 kg should be moving to have the same momentum as the bullet? Express your answer in miles/hr.
Thursday, October 27, 2011 at 9:01am by Anonymous
physics help
A 1000-kg car moving at 10 m/s brakes to a stop in 5 s. The average braking force is? when i work this out with the formula that you gave me, i get 2525 instead of 2000 N
Wednesday, October 17, 2007 at 10:42am by Soly
physics asap
A 1000-kg car moving at 10 m/s brakes to a stop in 5 s. The average braking force is? On this question I asked my teacher I am suppose to get 2000 N and I dont get how to get it.
Wednesday, October 17, 2007 at 10:16am by Soly
physics
A 990 kg car is pulling a 300 kg trailer. Together, the car and trailer have an acceleration of 2.13 m/s2 in the forward direction. Neglecting frictional forces on the trailer, determine the following (including sign). (a) the net force on the car (b) the net force on the ...
Saturday, June 11, 2011 at 10:30pm by Sarah
Physics
Ok Here are my answers, if you can give me any more help it would be greatly appreciated. 1. 1000+1200=2200 2. Fw = ma 1000*9.8 m/s^2 = 9800 1200*9.8 m/s^2 = 11760 Fw = 21,560 3. Momentum = mv 1000*7 + 1200*6 7000 + 7200 Momentum = 14,200 kg m/s 4. 14,200 / m1+m2 14,200 / 1000...
Friday, January 6, 2012 at 9:30pm by Will
physics
Cora is a passenger in a car traveling east along a country highway that is parallel to a railroad track and clear of any traffic. Her friend Liz is driving. They come up behind the last car of a train on the track. Initially, the train is moving a little slower than they are...
Monday, January 30, 2012 at 3:30pm by Kathy
Phisics
A car moving at 62 mi/h can be brought to rest in 4.8 s. Assuming that the deceleration is uniform, how far will the car travel between the time the brakes are applied and the time the car stops?
Sunday, September 18, 2011 at 7:02pm by Adnane
College Physics
A 3400 kg open railroad car coasts along with a constant speed of 7.50 m/s on a level track. Snow begins to fall vertically and fills the car at a rate of 5.10 kg/min.Ignoring friction with the tracks, what is the speed of the car after 85.0 min ?
Sunday, March 14, 2010 at 11:04pm by Sandy
Algebra
Since the title is "algebra", I assume calculus cannot be used. In this case, complete squares of P(x). P=-5(x-20)²+2200 which means that P(x) is at a maximum when x=20, and P(x)=2200.
Sunday, May 19, 2013 at 1:59pm by MathMate
calculus
A moving dot P departs from O at an initial speed of 6 m/s in the east direction and accelerates at 2 m/s^2 in the east direction. 2 seconds after P's departure, dot Q departs from O to chase down P at a constant speed of k m/s in the east direction. What is the minimum ...
Thursday, March 21, 2013 at 6:40am by rohit
Physics
On vacation, your 1300 kg car pulls a 540 kg trailer away from a stop light with an acceleration of 2.02 m/s2. (a) What is the net force exerted by the car on the trailer? (b) What force does the trailer exert on the car? (c) What is the net force acting on the car? I've ...
Monday, October 11, 2010 at 7:33pm by tls
physics
From a vantage point very close to the track at a stock car race, you hear the sound emitted by a moving car. You detect a frequency that is 0.86 times as small as that emitted by the car when it is stationary. The speed of sound is 343 m/s. what is the speed of the car?
Sunday, November 18, 2012 at 7:39pm by Joe
PHSC
Hello, i need help. This is Work-Energy Theorum A car moving at 50km/hr skids 15m with locked brakes. How far will the car skid (with locked brakes if the car moves at 100km/hr assume that the mass of the car is 500kg
Wednesday, July 20, 2011 at 2:51pm by latrice
physics
a car moving on a straight road with a speed of 20m/s. at t=0 the driver of the car applies the breaks after watching an obstacle 150m ahead. after application of breaks, the car retards with 2m/s^2. find the position of the car from the obstacle at t=15s.
Sunday, July 3, 2011 at 10:18am by pavatharani
physics
A 250 kg car starting from rest is pushed 30m. When the car reaches 30m, it’s traveling at a speed of 12m/s and it encounters 52N of friction. What is the acceleration of the car and what is the force of the push on the car?
Wednesday, December 1, 2010 at 11:46am by Alyssa
Physics
A car is traveling due east at 25.0 m/s. If it accelerates at 0.750 m/s^2 due east find it's velocity after 8.50 s have elapsed.
Friday, February 3, 2012 at 9:05am by Duane
Physics
The 2500 kg cable car shown in the figure below descends a 200 m high hill. In addition to its brakes, the cable car controls its speed by pulling an 1200 kg counterweight up the other side of the hill. The rolling friction of both the cable car and the counterweight are ...
Wednesday, November 3, 2010 at 8:56am by Laila
Science.
A car travels 5km to east. Then it goes 3km to north and then 2km to west. What is the displacement the car has traveled?
Wednesday, November 21, 2012 at 1:31am by Aj tuhin
phyics
A 0.2 kg plastic ball moves with a velocity of 1.5 m/s. It collides with a second plastic ball of mass 1.8 kg, which is moving along the same line at a speed of 0.1 m/s. After the collision, both balls continue moving in the same, original direction. The speed of the 1.8 kg ...
Thursday, April 11, 2013 at 7:12pm by MEEEEE
physics
A mine car (mass = 452 kg) rolls at a speed of 0.356 m/s on a horizontal track, as the drawing shows. A 179-kg chunk of coal has a speed of 0.863 m/s when it leaves the chute. Determine the velocity of the car/coal system after the coal has come to rest in the car.
Sunday, November 15, 2009 at 6:43pm by sarah
physics
A mine car, whose mass is 590 kg, rolls at a speed of 0.5 m/s on a horizontal track, as the drawing shows. A 150 kg chunk of coal has a speed of 0.95 m/s when it leaves the chute. Determine the velocity of the car/coal system after the coal has come to rest in the car.
Tuesday, October 14, 2008 at 9:29pm by kb
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?
Tuesday, September 18, 2012 at 10:04pm by LIZZIE
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?
Friday, November 26, 2010 at 1:37am by javane
math
a car moving at 4.5 m/s accelerates at 2.5 m/s2. How far will it be moving after 7 seconds.
Monday, April 22, 2013 at 10:05pm by Aayushman
Math
A car moving at 4.5 m/s accelerates at 2.5 m/s square. How fast will it be moving after 7.5 seconds ?
Monday, April 22, 2013 at 10:42am by Aayushman
phys1
A 528 kg automobile is moving at 20.4 m/s at a height of 5.0 m above the bottom of a hill when it runs out of gasoline. The car coasts down the hill and then continues coasting up the other side until it comes to rest. Ignoring frictional forces and air resistance, what is the...
Sunday, February 26, 2012 at 8:45pm by opp
physics
A mechanic pushes a 2.50 x 10^3 kg car from the rest to a speed of v, doing 5000J of work in the process. During this time, the car moves 25.0 m. Neglecting friction between car and road, find (a) v and (b) the horizontal force exerted on the car.
Monday, October 22, 2007 at 10:42pm by Anonymous
physics word problem
A 1000-kg car moving at 10 m/s brakes to a stop in 5 s. The average braking force is? On this question I asked my teacher I am suppose to get 2000 N and I dont get how to get it.
Tuesday, October 16, 2007 at 10:12pm by Soly
math
to finance her community college education. Sarah takes out a loan for $2200. After a year Sarah decides to pay off the interest which is 4% of $2200. How much will she pay
Saturday, September 18, 2010 at 3:20pm by Anonymous
Physics
An open train car, with a mass of 2150 kg, coasts along a horizontal track at the speed 2.29 m/s. The car passes under a loading chute and, as it does so, gravel falls vertically into it for 2.67 s at the rate of 441 kg/s. What is the car's speed after the loading is ...
Monday, November 19, 2012 at 4:12pm by Kyle
Physics
The minimum distance required to stop a car moving at 46.0 mi/h is 39.0 ft. What is the minimum stopping distance for the same car moving at 80.0 mi/h, assuming the same rate of acceleration? Can I do a proportion or is this totally different?
Saturday, October 10, 2009 at 7:15pm by Beth
Physics
A 125 kg flatbottomed boat is floating along at 5.0 m/s, headed east. Sally Sue, standing at one end of the boat, starts to walk at 2.0 m/s, also to the east. If Sally’s mass is 65 kg, what is the speed of the boat as she walks along?
Monday, August 6, 2012 at 4:27pm by Chad
Physics
A 125 kg flatbottomed boat is floating along at 5.0 m/s, headed east. Sally Sue, standing at one end of the boat, starts to walk at 2.0 m/s, also to the east. If Sally’s mass is 65 kg, what is the speed of the boat as she walks along?
Friday, August 3, 2012 at 11:20pm by Zac
physics
A 125 kg flatbottomed boat is floating along at 5.0 m/s, headed east. Sally Sue, standing at one end of the boat, starts to walk at 2.0 m/s, also to the east. If Sally’s mass is 65 kg, what is the speed of the boat as she walks along?
Friday, August 3, 2012 at 11:19pm by Zac
physics
. Compared a car (mass of 2000 kg) moving at 10 miles per hour, how much kinetic energy (in Joules) does that same car have when it moves at 20 miles per hour? At 50 miles per hour? 75 miles per hour?
Monday, March 12, 2012 at 6:02pm by Hector
physics
001 (part 1 of 2) 10.0 points An 86 kg fullback moving east with a speed of 5.5 m/s is tackled by a 97 kg opponent running west at 3.6 m/s, and the collision is perfectly inelastic. a) What is the velocity of the players immediately after the tackle? Answer in units of m/s. ...
Tuesday, January 5, 2010 at 7:40pm by Anonymous
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 velocity is to the ...
Monday, February 20, 2012 at 3:53pm by opp
math
How long will it take a car 3m long moving at 100km/h to overtake a truck 10m long moving at 50km/h if the car is 10m behind the truck?
Tuesday, January 29, 2013 at 12:49pm by Mary
Physics Distance and Displacement Question?
A passenger in the rear seat of a car moving at a steady speed is at rest relative to the side of the road. a pedestrian on the corner ahead. the front seat of the car. the wheels of the car. Thanks ^_^
Tuesday, January 17, 2012 at 11:56am by Amber
physics
A car travels at a speed of 25 m/s on a flat stretch of road. The driver must maintain pressure on the accelerator to keep the car moving at this speed. What is the net work done on the car over a distance of 250 m?
Wednesday, October 13, 2010 at 2:45am by dolly
phsyics
A 975-kg car accelerates. The magnitude of the average net force acting on the car is 3478 N, what is the acceleration of the car?
Thursday, December 15, 2011 at 3:57pm by cheryl
Physics
A hydraulic lift has two connected pistons with cross-sectional areas 25 cm2 and 390 cm2. It is filled with oil of density 530 kg/m3. a) What mass must be placed on the small piston to support a car of mass 1500 kg at equal fluid levels? kg HELP: The pressure is constant at ...
Saturday, November 6, 2010 at 3:48pm by Kimbo
Science PHYSICS
SO desperate with help with this. What is the magnitude of the acceleration that this force will cause when applied to a car with a mass of 1.1x10³Kg Then calculate the final speed of the car (above) assuming that it was standing still initially and that the force of 5.0 ...
Wednesday, March 24, 2010 at 8:29am by Alice
Physics
If a car his traveling 24.5 m/s east, and the driver looks down at a text for 3 seconds, how many meters will the car travel during that time period.
Sunday, October 9, 2011 at 11:35pm by Dawn
Physics
A car with a mass of 1700 kg is traveling directly northeast (45 degrees between north and east) at a speed of 14m/s (31mph), and collides with a smaller car with a mass of 1300kg that is traveling directly south at a speed of 18m/s (40mph). The two cars stick together during ...
Saturday, April 2, 2011 at 5:42pm by Anonymous
Physics
A cannon on a railroad car is facing in a direction parallel to the tracks. It fires a 99 kg shell at a speed of 105 m/s (relative to the ground) at an angle of 60.0° above the horizontal. If the cannon plus car have a mass of 5.5 104 kg, what is the recoil speed of the ...
Monday, October 22, 2007 at 10:34pm by Dante
physics
Newtons first law: things moving tend to keep moving even when the car they are in is stopped.
Wednesday, May 2, 2012 at 8:36pm by bobpursley
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