s2 until it stops

Number of results: 15,627

Physics
An electric vehicle starts from rest and accelerates at a rate of 2.3 m/s2 in a straight line until it reaches a speed of 17 m/s. The vehicle then slows at a constant rate of 1.4 m/s2 until it stops. (a) How much time elapses from start to stop? (b) How far does the vehicle ...
Sunday, January 16, 2011 at 2:44pm by Ethan

Physics
An electric vehicle starts from rest and accelerates at a rate of 3.0 m/s2 in a straight line until it reaches a speed of 26 m/s. The vehicle then slows at a constant rate of 1.0 m/s2 until it stops. a)How much time elapses from start to stop? b)How far does the vehicle travel...
Thursday, September 3, 2009 at 1:30am by Nick

COLLEGE PHYSICS
A 1100kg car starts from rest, accelerates for 5 seconds. The magnitude of acceleration is (a)= 4.6m/s2. find the average power generated by the net force that accelerates the vehicle? what do i do here i know that F=ma= 1100x4.6=5060=F and Wnet = 1/2mvf2-1/2mvi2 since it ...
Thursday, October 18, 2007 at 3:45am by natali

physics
A vehicle accelerates from rest at 6.68 m/s/s for 4.1 s. What is the final speed of the vehicle?
Thursday, October 4, 2012 at 9:00pm by Victoria

Physics
a vehicle weighs 120 kg wt brakes are applied so that the vehicle stops rolling and starts skidding find the force of friction if the coefficient of friction is 0.4
Sunday, January 30, 2011 at 2:19am by Shibasish

physics
An electron starts at rest. Gravity accelerates the electron in the negative y direction at 9.80 m/s2 while an electric field accelerates it in the positive x direction at 3.80×106 m/s2. Find its velocity 2.45 s after it starts to move.
Wednesday, December 15, 2010 at 7:02pm by sue

Math
A vehicle starts w/ a full tank of gasoline and travels 150 miles. While refilling the tank, the driver notes that the vehicle used (1/4) tank of gasoline in traveling the 150 miles. Assuming the vehicle averages 25 miles per gallon, approximately how many gallons of gasoline ...
Tuesday, April 21, 2009 at 8:44pm by Helen

physics
if the greatest acceleration force which may be be applied to a vehicle is numerically equal to its weight, find a the least distance and b the least time, in which the vehicle travelling on a horizontal road can be brought to rest from an initial velocity of 25 m s-1
Monday, January 17, 2011 at 2:24pm by tennesha greene

physics
An electron is released from rest in a uniform electric field and accelerates to the north at a rate of 115 m/s2. What are the magnitude and direction of the electric field.
Monday, March 1, 2010 at 8:02pm by electric field

physics
An antique carousel that’s powered by a large electric motor undergoes constant angular acceleration from rest to full rotational speed in 6 seconds. When the ride ends, a brake causes it to decelerate steadily from full rotational speed to rest in 8.9 seconds. Compare ...
Wednesday, February 16, 2011 at 4:04pm by olivia

Physics
If a proton is released from rest in a uniform electric field does electric potential at its position increase, stay the same, or decrese?
Wednesday, February 24, 2010 at 1:31pm by Sara

Physics
If a proton is released from rest in a uniform electric field does electric potential at its position increase, stay the same, or decrese?
Tuesday, February 23, 2010 at 8:53pm by Anonymous

Physics
An alpha particle (helium nucleus, charge +2e) starts from rest and travels a distance of 1.88 cm under the influence of a uniform electric field of magnitude 12.2 kV/m. What is the final kinetic energy of the alpha particle?
Wednesday, February 1, 2012 at 8:45pm by Ashley

Physics
A roller-coaster vehicle has a mass of 506 kg when fully loaded with passengers (see figure). (a) If the vehicle has a speed of 22.0 m/s at point A, what is the force of the track on the vehicle at this point? (b) What is the maximum speed the vehicle can have at point B in ...
Thursday, November 4, 2010 at 5:22pm by Rose

More Critical Thinking
What do you think? Here is an example of a passage that contains an ought imperative by searching and asking Google: "What is an ought imperative): Never fuel your vehicle while the motor is running. If for some reason the vehicle starts moving, it could cause a serious ...
Tuesday, September 20, 2011 at 10:33pm by JJ

life skills
It is important to make sure that any person selling you a car has? A. physical possession of the vehicle. B. informed the motor vehicles department of the intention to sell the vehicle. C. legal title to the vehicle. D. a good reputation for honesty.
Tuesday, June 5, 2012 at 1:51am by yesenia

physical science
action and reaction (force on exhaust equal and opposite to force on rocket.) conservation of momentum velocity of exhaust* mass of exhaust + velocity of vehicle * mass of vehicle after exhaust fired = original velocity of vehicle * original mass of vehicle note velocity of ...
Saturday, January 1, 2011 at 3:45pm by Damon

physics
A roller-coaster vehicle has a mass of 400 kg when fully loaded with passengers. r1 = 11 m and r2 = 17 m. If the vehicle has a speed of 17 m/s at A, what is the magnitude of the force that the track exerts on the vehicle at this point?
Thursday, October 4, 2012 at 9:07pm by Emily

Physics
A car starts from rest and accelerates unifomly at 3m/s^2. A second car starts from rest 6 seconds later at the same point and accelerates uniformly at 5m/s^2. How long does it take the second car to over take the first car?
Thursday, October 20, 2011 at 8:49am by Joe

physics
An electron is accelerated by a constant electric field of magnitude 325 N/C. (a) Find the acceleration of the electron. (m/s^2) (b) Use the equations of motion with constant acceleration to find the electron's speed after 1.05 10-8 s, assuming it starts from rest. (m/s)
Sunday, May 6, 2012 at 1:58am by andrew

owning and operating a car
It is important to make sure that any person selling you a car has? A. physical possession of the vehicle. B. informed the motor vehicles department of the intention to sell the vehicle. C. legal title to the vehicle. D. a good reputation for honesty.
Monday, May 14, 2012 at 10:52am by Aisha

operating a car
It is important to make sure that any person selling you a car has : A.physical possession of the vehicle. B.informed the motor vehicles department of the intention to sell the vehicle. C.legal title to the vehicle. D.a good reputation for honesty. i got C
Thursday, October 13, 2011 at 4:40pm by Ciara

PHYSICS
The electron gun in a television tube uses a uniform electric field to accelerate electrons from rest to 5.0×107 m/s in a distance of 1.2 cm. What is the electric field strength?
Wednesday, February 24, 2010 at 11:00pm by Lucas

math
vehicle a averges 14 miles per gallon of gasoline and vehicle b averges 36 miles per gallon of gasoline at these rates how many more gallons of gasoline does vehicle a need then vehicle b to make a 1008-mile trip
Sunday, September 26, 2010 at 8:28pm by Anonymous

Math
Vehicle A averages 14 miles per gallon of gasoline, and Vehicle B averages 36 miles per gallon of gasoline. At these rates, how many more gallons of gasoline does Vehicle A need than Vehicle B to make a 1,008-mile trip?
Thursday, August 26, 2010 at 11:10am by Kelly

physics
An electric drill starts from rest and rotates with a constant angular acceleration. After the drill has rotated through a certain angle, the magnitude of the centripetal acceleration of a point on the drill is twice the magnitude of the tangential acceleration. What is the ...
Sunday, October 24, 2010 at 12:16pm by Jordan

Applied Physics
Which is a vector quantity? electric energy electric charge electric power electric field intensity
Sunday, May 29, 2011 at 5:27pm by Scott

Drugs
I asked a question earllier related to whether my idea of an inhalant was correct or not. Someone mentions something about vehicle. my question is: vehicle? Vehicle in this context means a way of getting something from one place to another. An inhalant is a means (vehicle) for...
Tuesday, February 20, 2007 at 4:44pm by Aalecia

physics please help!
A car driving along a straight road increases its velocity from 2.8 m/s to 9.7 m/s in 3 seconds. Calculate its acceleration in m/s^2 A skier in the Giant Slalom will accelerate at a constant 5.0 m/s^2 If she starts from rest, how fast is she going after 5 seconds? A skier at ...
Wednesday, September 10, 2008 at 12:08am by Gray

physics
The plates of a parallel plate capacitor are separated by a distance of 1.2cm, and the electric field within the capacitor has a magnitude of 2.1x 10^6 V/m. An electron starts from rest at the negative plate and accelerates to the positive plate. What is the kinetic energy of ...
Thursday, July 10, 2008 at 11:44am by H

physics
A. "cancelled"? Surely your instructor did not use that word. If an electric field is opposed, then the two electric fields may add to zero. So lesser minds may call that canceling. b. ? c. Electric fields indeed stores electric energy, as do magnetic fields. d. ? e...
Tuesday, April 10, 2012 at 5:50pm by bobpursley

physics
A skier skis down a 25 m high frictionless ski slope. How fast will she be moving at the bottom of the slope if: A) She starts from rest at the top B) She starts out with a velocity of 10 m/s
Wednesday, November 11, 2009 at 8:18pm by Monika

physics
An electron is accelerated from rest by a uniform electric field of 3310V/M that is vertically pointing up, if the electron is traveling 6200000m/s how far (m) has it traveled in the electric field?
Monday, May 20, 2013 at 2:56pm by angela

physics
A vehicle with a mass of 2 tons travels on a horizontal road at a speed of 126km/h.The driver notices a donkey at the side of the road and decides to reduce speed. The brakes are applied and the vehicle slows down to 72km/h after 5 seconds. Calculate the acceleration of the ...
Wednesday, March 6, 2013 at 12:15pm by leslie

Physics
1. A car starts from rest and accelerates uniformly at 3.0 m/s2. A second car starts from rest 6.0 s later at the same point and accelerates uniformly at 5.0 m/s2. How long does it take the second car to overtake the first car? 2. A ball is thrown downward from the top of a ...
Thursday, February 16, 2012 at 10:01pm by G

Physics
If a vehicle starts at 31 km/h and only travels 4.7m in 1.1 seconds due to deceleration, how fast is it going after 1.1 seconds?
Wednesday, March 20, 2013 at 11:07pm by Troy

physics
what is the average velocity of a vehicle that uniformly accelerates from rest to 38 fps?
Tuesday, September 27, 2011 at 11:12am by lou

Physics
A cylindrical 7.00-kg reel with a radius of 0.60 m and a frictionless axle, starts from rest and speeds up uniformly as a 3.00-kg bucket falls into a well, making a light rope unwind from the reel (Fig. P8.36). The bucket starts from rest and falls for 5.00s. (a) What is the ...
Wednesday, April 11, 2012 at 6:33pm by Julia

operating a car
The sticker price on a new car includes: A.The final selling price of the vehicle. B.an extended warranty. C.everything you need to know about the vehicle. D.the retail price of everything that comes with that particular vehicle. i got D
Wednesday, October 26, 2011 at 6:38pm by Ciara

Physics
Two parallel plates are 4.85 cm apart. The bottom plate is charged positively and the top plate is charged negatively, producing a uniform electric field of 5.51 x 104 N/C in the region between the plates. What is the time required for an electron, which starts at rest at the ...
Tuesday, January 31, 2012 at 8:52pm by Ashley

Physics
A small object, which has a charge q = 6.7 µC and mass m = 9.60 10-5 kg, is placed in a constant electric field. Starting from rest, the object accelerates to a speed of 2.06 103 m/s in a time of 1.03 s. Determine the magnitude of the electric field. Answer in N/C
Monday, January 28, 2013 at 1:36am by Jasmine

Physics
A 5.00 kg carrying a charge of Q=60 uC is connected to a spring for which k=100N/m. The block lies on a frictionless horizontal track and the system is immersed in a uniform electric field of E=5.0e5 V/m. If the block is released from rest when the spring is unstretched. A) By...
Wednesday, March 28, 2012 at 9:04pm by Jona F

physics
(a) if a train travelling at 72km/hr is to be brought to rest in a distance of 200m then wat should be its retardation (b) if a body starts from rest and and travels 120 m in 8th sec then wats its acceleration.
Saturday, May 19, 2012 at 4:17am by steeven

Physics
A proton is released from rest in a uniform electric field. After the proton has traveled a distance of 10.0 cm, its speed is 1.4 x 106 m/s in the positive x direction. Find the magnitude and direction of the electric field.
Sunday, July 17, 2011 at 3:48pm by Chloe

Physics
The first stage of a space vehicle consumed fuel and oxidizer at the rate of 1.65 104 kg/s with an exhaust speed of 2.55 103 m/s. (a) Calculate the thrust produced by this engine. (b) Find the acceleration the vehicle had just as it lifted off the launch pad on the Earth, ...
Friday, November 5, 2010 at 9:31pm by Shaden

physics
why,when a moving vehicle strikes against a wall,large amount of force acts on a vehicle
Wednesday, August 15, 2012 at 4:40am by gurpreet

Conceptual Physics
you push a ton vehicle on level pavement with force of 250 N what is the vehicle's acceleration
Tuesday, October 4, 2011 at 11:44am by Anonymous

Physics
How much pressure is exerted by a 5000 pound moving vehicle vehicle (hehicle is 6' x 12')?
Saturday, November 6, 2010 at 3:21pm by Barry

Physics
What is the difference between electric force, electric potential energy, electric field strength, electric potential, and electric potential difference?
Friday, July 20, 2012 at 9:33am by KnowsNothing

computer science
draw a level 0 diagram as well as a context diagram for the following scenario When renting a car from Banz Car Rental Agency, persons renting a car from the agency will be given a brochure of the type of vehicle, insurance on vehicle and the rental conditions of the vehicle, ...
Friday, April 5, 2013 at 10:58am by fernando

physics
A vehicle with a mass of 2 tons travels on a horizontal road at a speed of 126km/h.The driver notices a donkey at the side of the road and decides to reduce speed. The brakes are applied and the vehicle slows down to 72km/h after 5 seconds. Calculate the distance travelled ...
Wednesday, March 6, 2013 at 1:17pm by leslie

business math
which of the following is a type of vehicle insurance that covers damage sustained by the insured's vehicle in an accident
Monday, January 24, 2011 at 7:15pm by no name

Algebra
a vehicle uses 1 tablespoon to drive 125 yards. How many miles can the vehicle travel per mile?
Monday, October 25, 2010 at 10:08pm by Randa

social studies
I doubt no where. Reason: you have to get more specific what is a vehicle. Is a dogsled a vehicle? Is a trolley? Is a ferry?
Sunday, October 12, 2008 at 1:57am by bobpursley

math - need clarification
Do you have a figure or other explanations that show that: 1. the length of the vehicle is 34 feet 2. the height of the vehicle is 15 feet (or probably less), and 3. the longitudinal slope of the entrance is 2 feet in 10 feet (check typo). 4. Geometry of the vehicle, such as ...
Sunday, March 4, 2012 at 6:31pm by MathMate

algebra
A vehicle uses 1 tablespoon if gasoline to drive 125 yards. How many miles can the vehicle travel per gallon?
Monday, October 4, 2010 at 9:34pm by Kayla

physical science
A moving vehicle changes speed from 10 m/s to 35 m/s in only 5 seconds. What would be the acceleration rate of this vehicle?
Wednesday, September 7, 2011 at 2:12pm by Ron

Physics
In tests on earth a lunar surface exploration vehicle (mass = 5.90 103 kg) achieves a forward acceleration of 0.215 m/s2. To achieve this same acceleration on the moon, the vehicle's engines must produce a drive force of 1.64 103 N. What is the magnitude of the frictional ...
Wednesday, October 10, 2012 at 2:11pm by Anonymous

Physics
An electron moving to the right at 3.0% the speed of light enters a uniform electric field parallel to its direction of motion. If the electron is to be brought to rest in the space of 4.5 cm, determine the following. What direction is required for the electric field? What is ...
Monday, March 1, 2010 at 7:44am by Chris

Physics
An electron is accelerated through a uniform electric field of magnitude 2.5x10^2 N/C with an initial speed of 1.2x10^6 m/s parallel to the electric field. a) Calculate the work done on the electron by the field when the electron has travelled 2.5 cm in the field. b) Calculate...
Tuesday, April 21, 2009 at 5:29pm by Linn

Physics - important
An electron is accelerated through a uniform electric field of magnitude 2.5x10^2 N/C with an initial speed of 1.2x10^6 m/s parallel to the electric field. a) Calculate the work done on the electron by the field when the electron has travelled 2.5 cm in the field. b) Calculate...
Tuesday, April 21, 2009 at 7:46pm by Linn

math
joseph is planning a 2500 mile cross-country trip in his new sports utility vehicle. he uses the following information about his vehicle to figure out how much money to budget for gas: . the vehicle has a 15 gallon tank . the vehicle gets 25 miles per gallon if the gasoline ...
Monday, January 31, 2011 at 7:33pm by melissa

physics
How large a force (in newtons) is needed to accelerate a 3 metric-ton vehicle from rest to a speed of 50 km/hr in 4 s?
Wednesday, March 7, 2012 at 1:58am by ashlee

physics
Tarzan swings on a 28.0 m long vine initially inclined at an angle of 22° from the vertical. (a) What is his speed at the bottom of the swing if he starts from rest? (b) What is his speed at the bottom of the swing if he starts with an initial speed of 3.06 m/s?
Saturday, January 26, 2013 at 9:26pm by Rachel Laurson

physics
Electricity is often converted into other forms of energy. Electric heating Electric motors electric lights
Thursday, January 5, 2012 at 8:46pm by bobpursley

Physics
A vehicle travelling 30mph collides head-on with another vehicle travelling 50mph, the force of impact, theoretically, would be the same as a vehicle travelling: A. 80mph hitting a cement wall B. 80mph hitting a stopped vehicle c. 50mph hitting a cement wall d. 30mph hitting a...
Thursday, August 4, 2011 at 11:57am by Alisa

physics
A 1.66 kg. load is pulled by a force of 11.03 N. If the coefficient of friction (µk) for this load is 0.602, and the load starts at rest, how long will it take to accelerate the load from rest to a final velocity of 4.90 m/s?
Friday, August 24, 2012 at 1:59am by tyler

Physics
Electric force is measured in Newtons Electric potential energy is measured in Joules Electric field strength is measured in in Newtons/Coulomb Electric potential is measured in Joules per Coulomb, or Volts, and Electric potential difference is the difference in electric ...
Friday, July 20, 2012 at 9:33am by drwls

physics
A 1000 Kgs Vehicle moving with a sppeed of 20 meter per sec. is brought to rest in a distance of 50 metres. find the acceleration
Thursday, July 7, 2011 at 10:18am by Anjani

Grade 12 Physics
A young woman named Sassy Sue purchases a sports utility vehicle that can accelerate at the rate of 4.88m/s^2. She decides to test the car by dragging with another speedster, McSpeedy. Both start from rest, but experienced McSpeedy leaves 1.0s before Sue. If McSpeedy moves ...
Wednesday, September 12, 2007 at 4:36pm by Haley

Physical science
Physical science a 2.0g metal ball that carries a charge of 10 uC is placed into an electric field. the ball at rest at point A is accelerated to point B with a speed of 1.0 m/s. what is the electric potential difference between point A and point B?
Sunday, November 25, 2012 at 8:17pm by ann

physics
A student starts from rest from his house and accelerates uniformly at the rate of 2m/sec^2 for 30 sec then he apply break for 45 sec and come to rest at his school.how far is his school
Sunday, May 27, 2012 at 10:10am by parul

Physics
Can an electron at rest in a magnetic field be set into motion by the magnetic field? What if it were at rest in an electric field?
Tuesday, March 29, 2011 at 12:36pm by Nikki

physics...
Tarzan swings on a 26.2 m long vine initially inclined at an angle of 39° from the vertical. (a) What is his speed at the bottom of the swing if he starts from rest? (b) What is his speed at the bottom of the swing if he starts with an initial speed of 3.26 m/s?
Thursday, April 15, 2010 at 3:56pm by brittany

Physics-Please help with formula
Electric field To help visualize how a charge, or a collection of charges, influences the region around it, the concept of an electric field is used. The electric field E is analogous to g, which we called the acceleration due to gravity but which is really the gravitational ...
Friday, February 25, 2011 at 4:22pm by Damon

physics
maximum friction force = .7 *.37*9.8 =2.53 Newtons 2.53 = m a a = 2.53/.37 = 6.86 or .7 g of course As we all know, once it starts sliding, that is the ball game. Moreover the mass of the vehicle is also a red herring.
Saturday, January 28, 2012 at 9:03pm by Damon

math
If a vehicle gets 16 MPG and gas costs $2.70/gallon. How much would it cost to drive the vehicle 30 miles? Can someone help me find a formula to figure this out?
Thursday, September 2, 2010 at 7:59am by lisa

PHYSICS
A particle with a mass of 2.00x10-16 kg and a charge of 22.0 nC starts from rest, is accelerated by a strong electric field, and is fired from a small source inside a region of uniform constant magnetic field 0.660 T. The velocity of the particle is perpendicular to the field...
Saturday, July 2, 2011 at 6:43pm by jim

Algebra
a vehicle uses 1 tablespoon to drive 125 yards. How many miles can the vehicle travel per gallon? (Hint 256 tablespoons egual a gallon)
Monday, October 25, 2010 at 10:20pm by Randa

statistics
A study performed by Bridge Ratings found that in 2006, 58% of respondents said they use a cell phone while traveling in a vehicle (the survey participants were restricted to individuals who spent at least one hour per day commuting in their vehicle). For a sample of 250 ...
Wednesday, May 8, 2013 at 3:46pm by ali awan

physics
i need help w part b and c A proton is released from rest in a uniform electric field of magnitude 388 N/C. (a) Find the electric force on the proton. magnitude N direction (b) Find the acceleration of the proton. magnitude m/s2 direction (c) Find the distance it travels in 2....
Tuesday, December 20, 2011 at 5:59pm by ann

physics
if two vehicles moving at a same speed and direction and a bullet is fired perpendicularly from one vehicle to a particular point on the another vehicle, would the bullet hit accurately?
Tuesday, April 6, 2010 at 12:57pm by sovon

Physics
Find the magnitude of the acceleration (in m/s2) for an electron in a uniform electric field with a magnitude of 100 N/C. and Find the time it takes (in sec) for an electron initially at rest in a uniform electric field of 110 N/C to reach a speed of 0.01c (where c is the ...
Wednesday, September 19, 2012 at 4:11pm by Katie

physics
A space vehicle is coasting at a constant velocity of 20.5 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.270 m/s2 in the +x direction. After 48.0 s, the pilot ...
Thursday, April 12, 2012 at 12:06am by mosh

physics
As soon as a traffic light turns green, a car speeds up from rest to 57.0 mi/h with constant acceleration 8.00 mi/h/s. In the adjoining bike lane, a cyclist speeds up from rest to 21.0 mi/h with constant acceleration 12.50 mi/h/s. Each vehicle maintains constant velocity after...
Sunday, September 2, 2012 at 4:29pm by Anonymous

ALGEBRA
Suppose it takes 3 days for a space vehicle to travel from the Earth to the moon. About how long would it take the same vehicle traveling a the same speed to reach Neptune?
Wednesday, February 24, 2010 at 7:01pm by GGIFT

physics
A flywheel with a diameter of 1 m is initially at rest. Its angular acceleration versus time is graphed in the figure. (a) What is the angular separation between the initial position of a fixed point on the rim of the flywheel and the point's position 8 s after the wheel ...
Sunday, March 20, 2011 at 7:19pm by HARD!!!!

physics
A space vehicle is coasting at a constant velocity of 20.7 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.260 m/s2 in the +x direction. After 42.0 s, the pilot ...
Thursday, October 13, 2011 at 11:25am by Taylor

Physics
A point charge Q1=-2 microcoulomb is located at x=0, and a point charge Q2=+8 microcoulomb, is placed at x=-0.5 on the x axis of a cartesian coordinate system.The goal of this problem is to determine the electric field,at various points along the x axis. a)What is electric ...
Monday, February 25, 2013 at 4:45am by Phy

physics
A .400 kg bead slides on a curved wire, starting from rest at point A. If the wire in problem 61 is frictionless between points A and B (down 5m) and rough between B and C (up 2m), and if the bead starts from rest at A, (a) find the speed at B. (b) If the bead comes to rest at...
Thursday, October 25, 2007 at 12:16am by Anonymous

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