Wednesday

July 23, 2014

July 23, 2014

Number of results: 14,243

**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...
*September 3, 2009 by Nick*

**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 ...
*January 16, 2011 by Ethan*

**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 ...
*October 18, 2007 by natali*

**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.
*December 15, 2010 by sue*

**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.
*December 15, 2010 by sue*

**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.
*December 16, 2010 by tammy mikols*

**physics**

A vehicle accelerates from rest at 6.68 m/s/s for 4.1 s. What is the final speed of the vehicle?
*October 4, 2012 by Victoria*

**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**

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?
*October 20, 2011 by Joe*

**Engineering science**

A vehicle with a mass of 1200 kg accelerates uniformly from rest upwards with an incline of 1:25 and reaches a speed of 72 km/h after 2 minutes,calculate: 1.The kineyic energy of the vehicle after 2 minutes 2.The potential energy of the vehicle after 2 minutes
*May 26, 2013 by Ayanda*

**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 ...
*February 16, 2012 by G*

**physics**

Calculate the average velocity for a remote controlled vehicle that starts with a speed of 1.0 m/s [forward] and then accelerates at 0.08 m/s2 [backward] for 4.0 s.
*June 3, 2014 by grey*

**physics**

Calculate the average velocity for a remote controlled vehicle that starts with a speed of 1.0 m/s [forward] and then accelerates at 0.08 m/s2 [backward] for 4.0 s.
*June 6, 2014 by grey*

**physics**

what is the average velocity of a vehicle that uniformly accelerates from rest to 38 fps?
*September 27, 2011 by lou*

**Help! Calculus**

An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8 feet per second. It starts from rest, accelerates to its maximum speed and stays at that maximum speed until it approaches its destination where it ...
*November 6, 2013 by Kimmie*

**calculus HELP!**

An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8 feet per second. It starts from rest, accelerates to its maximum speed and stays at that maximum speed until it approaches its destination where it ...
*November 6, 2013 by Kimmie*

**science**

An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8 feet per second. It starts from rest, accelerates to its maximum speed and stays at that maximum speed until it approaches its destination where it ...
*November 6, 2013 by Jenna*

**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.
*March 1, 2010 by electric field*

**Physics**

A speedboat starts from rest and accelerates at +2.07 m/s2 for 7.00 s. At the end of this time, the boat continues for an additional 6.00 s with an acceleration of +0.523 m/s2. Following this, the boat accelerates at -1.55 m/s2 for 8.00 s. What is the velocity of the boat at t...
*October 5, 2010 by Emily*

**Physics**

A speedboat starts from rest and accelerates at +2.07 m/s2 for 7.00 s. At the end of this time, the boat continues for an additional 6.00 s with an acceleration of +0.523 m/s2. Following this, the boat accelerates at -1.55 m/s2 for 8.00 s. What is the velocity of the boat at t...
*October 6, 2010 by Emily*

**Physics**

A speedboat starts from rest and accelerates at +1.94 m/s2 for 7.00 s. At the end of this time, the boat continues for an additional 6.00 s with an acceleration of +0.515 m/s2. Following this, the boat accelerates at -1.58 m/s2 for 8.00 s. What is the velocity of the boat at t...
*October 6, 2010 by Bala*

**physics**

A speedboat starts from rest and accelerates at +1.99 m/s2 for 7.00 s. At the end of this time, the boat continues for an additional 6.00 s with an acceleration of +0.515 m/s2. Following this, the boat accelerates at -1.44 m/s2 for 8.00 s. What is the velocity of the boat at t...
*October 8, 2010 by Andres*

**physics**

A speedboat starts from rest and accelerates at +1.99 m/s2 for 7.00 s. At the end of this time, the boat continues for an additional 6.00 s with an acceleration of +0.515 m/s2. Following this, the boat accelerates at -1.44 m/s2 for 8.00 s. What is the velocity of the boat at t...
*October 8, 2010 by Andres*

**AP PHYSICS**

A speedboat starts from rest and accelerates at +2.01 m/s2 for 7.15 s. At the end of this time, the boat continues for an additional 6.25 s with an acceleration of +0.518 m/s2. Following this, the boat accelerates at -1.49 m/s2 for 8.55 s. (a) What is the velocity of the boat ...
*September 27, 2010 by arian*

**Physics**

A speedboat starts from rest and accelerates at 2.689x10^0 m/s2 for 6.5062x10^0 seconds. After that, the boat then accelerates at 1.7853x10^0 m/s 2 for 3.1299x10^0 seconds. What is the velocity of the boat at the end of this, expressed in 4 significant figures?
*October 13, 2010 by HELP*

**Physics**

A speedboat starts from rest and accelerates at +2.01 m/s2 for 7.05 s. At the end of this time, the boat continues for an additional 6.15 s with an acceleration of +0.518 m/s2. Following this, the boat accelerates at -1.49 m/s2 for 8.50 s. (a) What is the velocity of the boat ...
*September 7, 2011 by KJ*

**Physics**

A speedboat starts from rest and accelerates at +1.98 m/s2 for 8.25 s. At the end of this time, the boat continues for an additional 5.58 s with an acceleration of +0.348 m/s2. Following this, the boat accelerates at -1.42 m/s2 for 7.22 s. (a) What is the velocity of the boat ...
*January 22, 2012 by Robert*

**physics**

A speedboat starts from rest and accelerates at +1.69 m/s2 for 7.18 s. At the end of this time, the boat continues for an additional 4.55 s with an acceleration of +0.468 m/s2. Following this, the boat accelerates at -0.657 m/s2 for 8.38 s. (a) What is the velocity of the boat...
*February 7, 2011 by shaknocka*

**physics**

A speedboat starts from rest and accelerates at +1.69 m/s2 for 7.18 s. At the end of this time, the boat continues for an additional 4.55 s with an acceleration of +0.468 m/s2. Following this, the boat accelerates at -0.657 m/s2 for 8.38 s. (a) What is the velocity of the boat...
*February 23, 2011 by tish*

**physics**

A speedboat starts from rest and accelerates at +1.68 m/s2 for 5.43 s. At the end of this time, the boat continues for an additional 8.16 s with an acceleration of +0.475 m/s2. Following this, the boat accelerates at -0.866 m/s2 for 7.54 s. (a) What is the velocity of the boat...
*October 3, 2011 by randy*

**physics ..PLEASE HELP ASSIGN DUE SOON :(**

A speedboat starts from rest and accelerates at +1.90m/s^2 for 7.00 s. At the end of this time, the boat continues for an additional 6.00 s with an acceleration of +0.529m/s^2. Following this, the boat accelerates at -1.47m/s^2 for 8.00 s. **What is the total displacement of ...
*October 2, 2012 by joane *

**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
*January 28, 2013 by Jasmine*

**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 ...
*July 10, 2008 by H*

**physics **

a go cart starts at rest and accelerates to 40 m/s in 200m what is the acceleration of the cyclist?
*May 23, 2012 by ben*

**physics**

a car starts from rest and accelerates for 7.8s with an acceleration of 2.3 m/s squared. how far does it travel
*September 20, 2011 by Katie*

**physics**

A car starts from rest and accelerates for 6.1 s with an acceleration of 3.1 m/s2. How far does it travel? Answer in units of m.
*August 11, 2011 by ALISON*

**physics**

A car starts from rest and accelerates for 2.8 s with an acceleration of 2.1 m/s2. How far does it travel? Answer in units of m
*September 3, 2011 by Lindsey*

**physics **

A car starts from rest and accelerates for 6.5 s with an acceleration of 3.6 m/s2. How far does it travel? Answer in units of m
*October 3, 2011 by Sam*

**physics**

A car starts from rest and accelerates for 6.7 s with an acceleration of 1.6 m/s2 . How far does it travel? Answer in units of m
*October 13, 2011 by Asdfghjkl*

**physics**

a car starts from rest and accelerates uniformly at 2m/s for 10second. what is its velocity at the end of 10 second?
*June 20, 2012 by Anonymous*

**Physics**

A car starts from rest and accelerates for 3.9 s with an acceleration of 5 m/s2 . How far does it travel? Answer in units of m
*September 18, 2013 by Anonymous*

**Physics**

Could you please check my answers and units. Thanxs! 1. An automobile starts from rest and accelerates at 3m/s2 for 4 seconds. How fast is it going after acceleration? -I got 12 m/s 3. At time = 0 an automobile already traveling at 30 km/hr. accelerates at 3m/s2 for 2 seconds...
*August 27, 2007 by Emma*

**Physics**

Could you please check my answers and units.Also, help me with 3 and 4, I dont quite understand them. Thanxs! 1. An automobile starts from rest and accelerates at 3m/s2 for 4 seconds. How fast is it going after acceleration? -I got 12 m/s 3. At time = 0 an automobile already ...
*August 28, 2007 by Emma*

**physics**

How does one go about solving this? A skateboard rider starts from rest and accelerates at a constant +.50 m/s^2 for 8.4s. What is the riders displacement?
*October 7, 2009 by brad*

**Physics**

How long does it take T-Rex to reach its food 200m away assuming that he starts from rest and accelerates at 4.00 m/s2?
*September 16, 2013 by Megan*

**science**

A merry-go-round starts from rest and accelerates uniformly over 26.0 s to a final angular velocity of 5.50 rev/min.
*March 26, 2012 by JOHN*

**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
*January 30, 2011 by Shibasish*

**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
*May 27, 2012 by parul*

**physics**

A stunt driver starting from rest needs to achieve a speed of 26.2 m/s. If her vehicle accelerates at 8.3 m/s/s, what distance (in m) must she travel to achieve the desired speed?
*October 4, 2012 by Victoria*

**physics**

A car starts from rest and accelerates uniformly to a velocity of 8ft/s after traveling 250 ft. Find its acceleretaion. Help me with this pleeaase. Thank you.
*September 17, 2009 by Desiree*

**physics**

the front wheels located far out in front of the racing vehicle help to keep the vehicle from nosing upward when it accelerates. what is its physics principle?
*December 3, 2013 by faidscs*

**Physics**

A drag racer starts her car from rest and accelerates at 9.0 m/s2for the entire distance of 60.0 m. What is its speed at the end of the run? Answer in units of m/s.
*January 11, 2012 by Jen*

**physics**

n boat starts from rest and accelerates at a constant rate to a final speed of 28 m/s over a distance of 780 m. How much time will this take?
*February 6, 2012 by Hannah *

**Science**

I have some equations that I would like checked. Thanxs! 1. An automobile starts from rest and accelerates at 3m/s2 for 4 seconds. How fast is it going after acceleration? 3m/s^2 / 4 = .75 m/s 2. If an automobile travels at 30 km/hr. for 2 hours, how far does it go? d=(30 km/...
*August 26, 2007 by Emma*

**physics**

A drag racer starts her car from rest and accelerates at 9.0 m/s2for the entire distance of 105.0 m. What is its speed at the end of the run? Answer in units of m/s.
*January 11, 2012 by jen*

**physics**

A vehicle with an initial displacement of 10.om and an initial velocity of 16.0 m/s accelerates at an average rate of 0.50 m/s2 for 4.0 s. What is the vehicle's displacement after 4.0 s?
*November 30, 2011 by terri*

**physics **

A cyclist starts at rest and accelerates to a speed of 20 m/s in 5 s. what is the acceleration of the cyclist?
*May 23, 2012 by ben*

**physics**

An object starts from rest and accelerates at a rate of 2.50 m/s/s for 7.00 seconds. The velocity at the end of the 7.00 seconds is...
*May 22, 2010 by christy*

**physics**

A car starts from rest and accelerates to a speed of 25 m/s in a time of 6 seconds. What os the acceleration of this car?
*October 1, 2010 by cameron*

**physics**

A particle accelerates from rest at 3.1 m/s2. What is its speed 5.5 s after the particle starts moving? Answer in units of m/s.
*November 7, 2010 by nohbdy*

**Physics**

An airplane starts from rest and accelerates at a constant rate if 3.00m/s^2 for 30.0s before leaving the ground. A)How far did it move? B) how fast was it going when it took off?
*January 22, 2014 by Sandara*

**physics**

A car starts from rest accelerates with a constant acceleration of 1.5 m/s squared. HOw far does the car move in 4 seconds?
*December 10, 2010 by ME*

**physics**

If a car starts from rest and accelerates at 6.0 m/sec2 for 6.0 seconds. how far did it travel and how fast was it moving at the end of the 6.0 seconds
*September 30, 2010 by danielle*

**physics**

A car starts from rest and accelerates at 6 m/s/s. How far does it travel in 3 s? Answer in meters. Round answer to the nearest ones.
*October 14, 2011 by Anonymous*

**physics**

a car starts from rest and accelerates at in a straight line at a constant rate of 4.5m/s/s. How far will the car travel in 35 seconds.
*November 22, 2011 by al*

**physics**

a motorized scooter starts from rest and accelerates for 4 s at 2 m/s2. it continues at a constant speed for 6 s . What is the scooter's average velocity for the interval 0-4 s ?
*March 5, 2012 by blue*

**Physics**

A car starts from rest and accelerates uniformly over a time of 5.21 s for a distance of 110 m. Determine the acceleratin of the car
*September 16, 2012 by Latryce*

**physics**

An airplane starts at rest and accelerates down the runway for 20s. At he end of the runway, it's velocity is 80 m/a north. What is its acceleration?
*February 18, 2013 by Kaylee*

**physics**

A car and a motorcycle start from rest at the same time on a straight section of the road. However, the motorcycle starts 29.6 m behind the car. The car accelerates at a uniform rate of 3.9 m/s^2 while the motorcycle accelerates at a constant rate of 4.2 m/s^2. How much time ...
*December 2, 2009 by Alex*

**Physics**

A tortoise and hare start from rest and have a race. As the race begins, both accelerate forward. The hare accelerates uniformly at a rate of 0.8 m/s2 for 4.4 seconds. It then continues at a constant speed for 13.5 seconds, before getting tired and slowing down with constant ...
*August 27, 2012 by David*

**physics**

A car starts from rest and accelerates uniformly over a time of 6.5 seconds for a distance of 150 m. Determine the acceleration of the car.
*October 7, 2010 by CJ*

**Physics (Kinematics)**

A car starts from rest and accelerates uniformly for 10 seconds over a distance of 200 m. Determine the acceleration of the car.
*August 13, 2013 by Ashley*

**physics**

Two charged particles in an accelerator are at rest until an electric field causes them to accelerate away from each other when the field switched is turned on, particle a accelerates to the left at 8.97e+07 m/s2 while particle B accelerates to the right at 7.78e+08 they start...
*October 17, 2010 by Becka*

**Physics-Math**

Suppose that a car starts from rest at position -3.31m and accelerates with a constant acceleration of 4.15m/s^2. At what time t is the velocity of the car 19.2m/s?
*June 30, 2011 by kia*

**Physics**

An object wuth a mass of .5 kg starts from rest and achieves a maximum speed of 20m/s in 0.01 s. What average unbalanced force accelerates this object?
*November 21, 2011 by Ronaldo*

**Physics**

An automobile with 0.80-m diameter wheel starts from rest and accelerates uniformly to 22 m/s in 0.7 s. Through how many revolutions does the front wheel turn during this period?
*February 25, 2013 by Cindy*

**physics**

A car starts from rest on a curve with a radius of 120m and accelerates at 1.0m/s^2. Through what angle will the car have traveled when the magnitude of its total acceleration is 2.0 m/s^2?
*September 22, 2009 by Jordan*

**physics**

A car starts from rest on a curve with a radius of 130 m and accelerates at 1.80 m/s^2. How many revolutions will the car have gone through when the magnitude of its total acceleration is 3.50 m/s^2?
*September 11, 2010 by Pubudu*

**Physic**

A car starts from rest on a curve with a radius of 160 and accelerates at 1.40 . How many revolutions will the car have gone through when the magnitude of its total acceleration is 2.70 ?
*October 12, 2010 by min*

**Physic**

A car starts from rest on a curve with a radius of 160 and accelerates at 1.40 . How many revolutions will the car have gone through when the magnitude of its total acceleration is 2.70 ?
*October 12, 2010 by min*

**Physics**

A car starts from rest on a curve with a radius of 130m and accelerates at 1.1m/s^2 .Through what angle will the car have traveled when the magnitude of its total acceleration is 2.7m/s^2 ?
*October 2, 2012 by Nami*

**Physics**

A sprinter starts from rest in a 100-meter race, accelerates to his full running speed of 10.3 m/s in 1.15 seconds (assume constant acceleration) and continues at that speed for the rest of the race. (a) How far did he run before attaining his full speed? (b) What was his ...
*September 16, 2010 by Phil*

**physics**

A 800. kg car starts from rest and accelerates uniformly to 19.0 m/s in 22.0 s. Assume that air resistance remains constant at 340 N during this time. Find (b) the average power developed by the engine
*October 11, 2012 by Anonymous*

**college phyiscs**

A car starts from rest on a curve with a radius of 160 m and accelerates at 1.80 m/s^2. How many revolutions will the car have gone through when the magnitude of its total acceleration is 2.20 m/s^2?
*October 11, 2009 by Amanda*

**College Physics**

A car starts from rest on a curve with a radius of 150 and accelerates at 1.30 . How many revolutions will the car have gone through when the magnitude of its total acceleration is 3.30 ?
*November 28, 2009 by Nicole*

**College Physics**

A car starts from rest on a curve with a radius of 150 m and accelerates at 1.50 m/s^2. How many revolutions will the car have gone through when the magnitude of its total acceleration is 3.20 m/s^2 ?
*October 4, 2010 by Dan*

**physics**

A car starts from rest on a curve with a radius of 110 m and accelerates at 0.600 m/s^2. How many revolutions will the car have gone through when the magnitude of its total acceleration is 2.30 m/s^2?
*October 19, 2010 by Julian*

**Physics**

A baby sitter pushing a stroller starts from rest and accelerates uniformly at a rate of 0.682 m/s2. What is the velocity of the stroller after it has traveled 7.74 m? Answer in units of m/s.
*January 10, 2011 by Michael*

**physic**

A baby sitter pushing a stroller starts from rest and accelerates uniformly at a rate of 0.511 m/s 2 . What is the velocity of the stroller after it has traveled 5.38 m? Answer in units of m/s
*September 7, 2011 by Renee*

**Physics**

A car starts from rest on a curve with a radius of 130 m and accelerates at 0.600 m/s^2. How many revolutions will the car have gone through when the magnitude of its total acceleration is 2.90 m/s^2?
*October 21, 2011 by Sp*

**Physics**

A 862-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it reaches a speed of 30.0 m/s. What is the average force exerted on the car during this time?
*October 24, 2011 by Anonymous*

**physics**

A 970-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it reaches a speed of 25.0 m/s. What is the average force exerted on the car during this time
*September 18, 2012 by Anonymous*

**physics**

A baby sitter pushing a stroller starts from rest and accelerates uniformly at a rate of 0.770 m/s 2 . What is the velocity of the stroller after it has traveled 5.94 m? Answer in units of m/s
*December 13, 2012 by Anonymous*

**physics**

A charged particle of mass 8.39×10−4 kg starts from rest and accelerates through a potential difference of +25,000 V to reach a speed of 1170 m/s. What is the charge on this particle?
*November 14, 2013 by linda*

**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 ...
*April 21, 2009 by Helen*

**physics**

A CD has a mass of 17.4 g and a radius of 6.01 cm. When inserted into a player, the CD starts from rest and accelerates to an angular velocity of 20.0 rad/s in 0.901 s. Assuming the CD is a uniform solid disk, determine the net torque acting on it.
*March 7, 2012 by Will*

**physics**

A CD has a mass of 17.4 g and a radius of 6.01 cm. When inserted into a player, the CD starts from rest and accelerates to an angular velocity of 20.0 rad/s in 0.901 s. Assuming the CD is a uniform solid disk, determine the net torque acting on it.
*March 8, 2012 by Will*

**Physics **

A CD has a mass of 17.0 g and a radius of 5.98 cm. When inserted into a player, the CD starts from rest and accelerates to an angular velocity of 19.1 rad/s in 0.744 s. Assuming the CD is a uniform solid disk, determine the net torque acting on it.
*March 8, 2012 by Jackie *

**Math**

An electron accelerates from rest to the right, in a horizontally directed electric field. The electron then leaves the electric field at a speed of 4.0 × 106, entering a magnetic field of magnitude 0.20 T (Tesla) directed into the screen. Calculate the magnitude and ...
*February 23, 2013 by Ginny*

**physics**

A car starts from rest on a curve with a radius of 190m and accelerates at 0.600m/s^2 . How many revolutions will the car have gone through when the magnitude of its total acceleration is 3.50m/s^2 ?
*October 19, 2010 by Kamini*

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