Thursday

July 2, 2015

July 2, 2015

Number of results: 44,140

**physics**

What average force is required to stop an 1300 -kg car in 9.0 s if the car is traveling at 90 km/h?
*September 21, 2010 by cindy*

**Physics**

What average force is required to stop an 1600 -kg car in 8.0 s if the car is traveling at 80 km/h?
*October 11, 2010 by Katie*

**determining speed**

car leaves a 20 ft. skid mark how fast was the car traviling
*January 12, 2011 by karl*

**physics**

What average force is required to stop an 1900 car in 6.0 if the car is traveling at 80 ?
*April 18, 2011 by colleen*

**Physics**

A car experiences an average acceleration of 5.00 km/hr/s for 3.50 sec. What is the change in velocity of the car?
*May 18, 2011 by Daniel*

**Physics**

a car travels at 20km/h for 1.5h, at 30km/h for 2.0h, and at 40kmh for 0.75 h. What is the car average velocity
*August 1, 2011 by Jazz*

**Science**

A car travelling at 27 m/s2 hits a wall with 48,600 N of force. What was the car's mass?
*November 4, 2011 by Nora*

**physics**

The car has a mass of 1200kg Calculate the kinetic of the car when it travels at a speed of 12 m/s.
*February 16, 2012 by Dan*

**Physics**

A car is initially traveling at 20 m/s when it accelerates to 35 m/s in a time of 5 seconds. What is the acceleration of the car in m/s^2?
*April 20, 2012 by Matthew *

**NSCI 110**

a car that was initially moving at 25 m/s is accerlerated at 4.0 m/s^2 for 5.0 s. the final speed of the car is?
*October 7, 2012 by ebony*

**sci**

a car performs 40,000 j of work in 5 sec. what is the power of the car. what is the horsepower?
*November 16, 2012 by Aj*

**science**

list two things that car manufacturers do to improve a car's efficiency
*January 13, 2013 by max*

**Physics **

A car rounds a curve with a radius of 25 m at a speed 30 m/s. What is the centripetal acceleration of the car?
*September 22, 2013 by Alison*

**phyiscs **

A car has an acceleration of 0.5g. calculate the time for the car to accelerate from 10m/s to 25m/s
*October 15, 2013 by abdul*

**Physics**

If a car is accelerating, is the car's velocity constant. Please sentence explanation.
*August 26, 2014 by Brianna*

**physics**

Starting from rest, the car is going 29 ft/s (20 mi/h) at the end of 5.0 s. What is the car's average acceleration in ft/s2?
*September 18, 2014 by kim*

**Physics**

It takes 180 kJ of work to accelerate a car from 21.0 m/s to 27.5 m/s. What is the car's mass? kg?
*October 26, 2009 by RE*

**Physics**

A car accelerates from rest to 30m/s in 10s. What is the car's acceleration?
*January 23, 2011 by Rene*

**physics**

It takes 214 kJ of work to accelerate a car from 23.1 m/s to 29.3 m/s. What is the car's mass?
*February 27, 2011 by heather*

**physics**

It takes 214 kJ of work to accelerate a car from 23.1 m/s to 29.3 m/s. What is the car's mass?
*February 28, 2011 by shaknocka*

**physics**

It takes 175 kJ of work to accelerate a car from 23.9 m/s to 27.7 m/s. What is the car's mass?
*November 30, 2011 by Al*

**physics **

A 1,600 kg car is traveling at a speed of 12.5 m/s. What is the kinetic energy of the car?
*November 15, 2012 by austin *

**physics**

It takes 222 kJ of work to accelerate a car from 22.1 m/s to 29.9 m/s. What is the car's mass?
*April 9, 2013 by Anonymous*

**physics**

It takes 228 kJ of work to accelerate a car from 22.3 m/s to 29.2 m/s. What is the car's mass?
*May 2, 2013 by Anonymous*

**Physics**

A 650 kg car traveling 8 m/s speeds up to 15 m/s in 25 s. Find the impulse on the car.
*May 2, 2013 by Zar*

**physics**

It takes 242 kJ of work to accelerate a car from 20.2 m/s to 28.2 m/s. What is the car's mass?
*October 20, 2014 by iamstupid*

**physics**

A 1500 kg automobile travels at a speed of 105 km/h along a straight concrete highway. Faced with an emergency situation, the driver jams on the brakes, and the car skids to a stop. (a) What will be the car's stopping distance for dry pavement (µ = 0.85)? (b) What will be the ...
*September 20, 2010 by Tom*

**Algebra**

Two cars start at the same point at Alexandria, verginia, and travel Ans 50mph, 55mph 2 opposite directions. One car travels 5 miles per hour faster than the other car. After 4 hours, the two cars are 420 miles apart. Find the speed of each car.
*March 28, 2013 by Lora*

**Physics**

Okay, I saw this one previously posted, but the answer it kept leading me to was wrong. A sports car of mass 1400kg (including the driver) crosses the rounded top of a hill (radius 88m) at 23 m/s. Find the normal force exerted by road on the car. I thought that the normal ...
*March 7, 2010 by Morgan*

**physics**

if a 60-kg woman is riding in a car traveling at 90 km/h is her linear momentum relitive to (a) the ground or (b)the car
*February 4, 2008 by melissa*

**physical science**

a car has a mass of 1000kg and accelerates at 2m/s/s. What is the magnitude of the force exerted on the car.
*September 10, 2008 by robin*

**9TH GRADE SCIENCE**

A car takes 3.6's to accelerate from 11m/s to 24 m/s. What is the car's Accelerationi in Meters/s?
*September 30, 2008 by JUSTIN M*

**eco systems**

a car plant uses how many gallons of water to make one car
*May 12, 2009 by delena*

**Finance**

a car sells for $25000. if the rate depreciation is 15% what is the value of the car after 7 years
*February 9, 2010 by alex*

**finance**

a car sells for $25000. if the rate depreciation is 15% what is the value of the car after 7 years
*February 9, 2010 by please help me*

**algebra**

a car sells for $25000. if the rate depreciation is 15% what is the value of the car after 7 years
*February 9, 2010 by please help me*

**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*

**science**

If Sally is pulling a toy car with mass of 20g with a force of 7N, what is the car's acceleration?
*November 15, 2010 by klk*

**physics**

a car starts from rest and travels for 4.2 s with a uniform deceleration of 1.8m/s^2. what is the final velocity of the car?
*January 13, 2011 by james*

**Physics**

A tow truck exerts a force of 3000 N on a car, accelerating it at 2 m/s2 . What is the mass of the car?
*February 1, 2011 by Peter*

**icp**

you wreck a car travveling at 88 m/sec and decelerate at -200/s2 how far will the car crumble in at you.
*March 28, 2011 by rich*

**physics **

A car goes at a constant velocity of 15 m/sec for 4 seconds. How far does the car go in that time?
*June 16, 2011 by Ashley *

**physics**

A mosquito inside a car is not hit by the back wall when the car starts moving.Why?
*July 29, 2011 by ...........................*

**physics**

A car accelerates from rest at a constant rate of 2.2 m/s2 for 6.9 s. How far does the car travel in this time?
*October 3, 2011 by Steven*

**Physics**

a car traveling at 13 m/s^2 for 8.00 seconds. what is the distance the car travels? show all work
*December 8, 2011 by Anonymous*

**physics**

A car is traveling at Vx =20 m/s. The driver applies the brakes, and the car slows with ax = -4m/s^2. What is the stopping distance
*January 29, 2012 by larry*

**Kinematics**

A car traveling with a velocity of 4 m/s accelerates at 3 m/s^2(squared) for 10 s. How far does the car travel in the 10s?
*June 10, 2012 by Anonymous*

**Algebra**

When the costs of a car is multiplied by 0.04 the result is $1760. Find the cost of the car. The answer is $?
*August 5, 2012 by Tammie*

**Physics**

A car slows from 17 m/s to 2.0 m/s at a constant rate of 2.1 m/s2. How many seconds are required before the car is traveling at 2.0 m/s?
*September 13, 2012 by Shelby*

**physics 1**

A car is accelerating, from rest, at a rate of 6.74 m/s2. After 4.35 seconds, how far has the car gone?
*September 19, 2012 by sergio*

**physics 1**

A car is accelerating, from rest, at a rate of 6.74 m/s2. After 4.35 seconds, how far has the car gone?
*September 19, 2012 by sergio*

**woodlake hills/ science**

The car jose is examing has a mass of 25 grams. What is the destiny of the car?
*September 27, 2012 by jacob*

**physics**

A 1400 kg car takes a 50 m unbanked curve at 14 m/s. What is the size of the friction force on the car?
*October 19, 2012 by Dominic *

**Physics**

A car is traveling at 10 m/s. By what factor does the car's kinetic energy increase if its speed is doubled to 20 m/s?
*November 27, 2012 by Joan*

**Physics**

A car is traveling at 10 m/s. By what factor does the car's kinetic energy increase if its speed is doubled to 20 m/s?
*November 28, 2012 by M*

**Physics**

A car is traveling at 10 m/s. By what factor does the car's kinetic energy increase if its speed is doubled to 20 m/s?
*November 30, 2012 by Joe*

**physics**

If a 0.5kg toy car is rolling down a hill with a velocity of 0.8m.s, what is the car's momentum?
*February 11, 2013 by Sarah*

**math**

a car travels at an average speed of 100 km/hr. how many km will the car travel in 2 hours, 15 min?
*February 13, 2013 by Lori*

**Physical science**

How much work is required to stop a car that is 800.0 kg car that is traveling at 20.0 m/s?
*March 10, 2013 by Kizzy*

**Physical science**

How much work is required to stop a car that is 800.0 kg car that is traveling at 20.0 m/s?
*March 10, 2013 by Kizzy*

**Physics **

A car traveling at 11m/s accelerates to 2.82m/s^2 for 13 seconds how far does the car travel?
*August 25, 2013 by Jay*

**science**

A car is traveling down the road at 25 m/s,and then increases their speed to 45 m/s in 5 seconds. What is this car's acceleration?
*September 13, 2013 by teddy*

**science**

A 1.92 × 103 kg car accelerates uniformly from rest to 12.4 m/s in 3.77 s. What is the work done on the car in this time interval?
*January 24, 2014 by Ti'Anna*

**science**

A 1.92 × 103 kg car accelerates uniformly from rest to 12.4 m/s in 3.77 s. What is the work done on the car in this time interval?
*January 24, 2014 by Ti'Anna*

**mathematics**

If a car travels at a constant speed of 112 km/h, How far will the car travel in 15 minutes.
*March 6, 2014 by melony henry*

**Physics**

A car slows from 23 m/s to 3.4 m/s at a constant rate of 2.1 m/s2. How many seconds are required before the car is traveling at 3.4 m/s?
*September 7, 2014 by Alexis*

**physics**

In 10 seconds a car accelerates 3m/s^2 to 90m/s. How fast was the car going before it accelerated?
*September 29, 2014 by Alisha*

**physics**

What average force is required to stop a 920kg car in 7.7s if the car is traveling at 83km/h ?
*February 15, 2015 by Dre*

**Physics**

A car that slows down uniformly from 20 m/s to 5 m/s has an impulse of 30,000 kg m/s. Determine the mass of the car
*March 6, 2015 by Jut*

**Need someone to check **

It is known that about 20% of car insurance policies include emergency road service. Suppose we randomly select 10 car insurance policies. What is the probability that at least one policy will have emergency road service? Answer 0.6242 0.3758 0.8926 0.2684 0.1074 What is the ...
*February 9, 2011 by Anonymous*

**physics**

Car traveling on circular track. Point A is at positive x,y. Point B is at positive x, negative y. A car is traveling around a horizontal circular track with radius r = 220 m as shown. It takes the car t = 51 s to go around the track once. The angle čA = 31° above the x axis, ...
*October 7, 2013 by Anonymous*

**Physics HW Help, Please**

A 76.3-kN car is travelling at 66.5 mph when the driver decides to exit the freeway by going up a ramp. After coasting 418 m along the exit ramp the car\'s speed is 27.3 mph, and it is h = 10.7 m above the freeway. What is the magnitude of the average drag force exerted on the...
*November 12, 2012 by Michael*

**Science**

A car converts 1000 J of energy from a sample of fuel. 750 J of heat (thermal energy) is produced by the engine, 150 J of heat is produced in the transmission, drive train, etc., and 100 J of work is done to move the car. How efficient was the process of burning fuel for the car?
*August 8, 2014 by KC*

**Precalculus**

This is for solving exponential/logarithmic functions: (This is a base e Logarithmic function I would assume): e^(4x)/10 =4^x-2 ? I understand the properties of logs for the most part, but I have a hard time figuring out the step-by-step process on how to solve exponential/log...
*December 11, 2012 by Sarah*

**Physics**

A car without ABS (antilock brake system) was moving at 16.5 m/s when the driver hit the brake to make a sudden stop. The coefficients of static and kinetic friction between the tires and the road are 0.553 and 0.410, respectively. (a) What was the acceleration of the car ...
*June 13, 2011 by Anonymous*

**Physics**

A race car starts from rest on a circular track of radius 500 m. The car's speed increases at the constant rate of 0.520 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, find the following. a)speed of the race car (m/s) b)the ...
*October 18, 2012 by Karrine*

**College physics**

A toy car has a mass of 120g, including two 1.5 V batteries connected in series. Suppose the motor that drives the car is 80\% efficient (i.e., 80\% of the electric energy goes to the drive wheels, 20\% is dissipated as heat) and that friction and air resistance are negligible...
*July 17, 2010 by katie*

**math**

There was a car accident. The first car was going 50 mph before the accident occurred, and the second car was going 60 mph. When the cars were at this speed, they were 40 feet away from each other. They were accelerating 2 mph per foot. How fast were they going at impact?
*March 11, 2013 by Kaytlynn*

**AP Physics**

A Honda Civic and Lincoln Town Car are initially at rest on a horizontal parking lot at the edge of steep cliff. The Town Car has twice as much mass as the Civic. Equal constant forces are applied to each car and they accelerate across equal distances (ignore effects of ...
*December 3, 2009 by Hannah*

**Physics Honors**

A car travels due east with a speed of 60.0 km/h. Rain is falling vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle of 45.0° with the vertical. Find the velocity of the rain with respect to the car and with respect to the...
*October 16, 2010 by Kristen*

**chemistry problem**

A carbon nucleus has six protons and six neutrons. How many electrons would it take to equal the mass of a carbon nucleus? ok. i think theres some type of formula or some trick to figure this one out but i don't know what it is. If you guys know how to figure this out can u ...
*September 20, 2010 by Sarah*

**7 grade fraction word problem**

I am a mom that can't figure out how to help my daughter with this problem. Alicia is making pies. She uses 1 1/2 cups of sugar for every 2 pies. She has 5 1/4 cups left. How many more pies can she make? I think the answer is 7 pies but not sure how to teach her how do figure ...
*March 23, 2015 by mom*

**science**

A 400kg sports car collides with a stopped pickup 40m/s. After the collision, the sports car stops and the pickup moves forward at 15m/s. What is the momentum of the sports car before the collision? What is it the mass of the pickup?
*November 14, 2009 by Jon*

**math**

There are a total of 107 foreign language students in a high school where they offer only Spanish, French, and German. 42 take Spanish. 46 take French. 45 take German. 8 take Spanish and French but not German. 8 take Spanish and German but no French. 6 take French and German ...
*December 15, 2010 by Christy*

**math**

Angela is making brownies. They need to bake for 47 minutes. She put them in the oven at 6:30 p.m. At what time should she take them out?
*January 5, 2008 by mashika*

**Chemistry**

How to work out: The half-life of Indium-116 is 14 seconds. How long will it take for 32g of this isotope to decay to 1.og?
*December 1, 2012 by Anonymous*

**Math**

Samantha swam 30 meters to a boat in 16 seconds. How long did it take her to swim each meter? How would I work this out? Thank You
*January 18, 2014 by Keith*

**physics**

in an air bag test a car traveling at 100km/h is remotely driven into a brick wall. suppose an identical car is dropped onto a hard surface. from what height would the car have to be dropped to have the same impact that with the brick wall?
*September 25, 2009 by john*

**physics**

a car is approaching a traffic light at 25m/s when it turns red. The driver takes 1 second to react and put his foot on the brake pedal, after which the car decelerates at 2m/s^2. find the distance needed for the car to come to stop after the light turns red
*January 25, 2011 by Keith*

**Physics**

A car sits in the parking lot. Above is a cargo plane, flying horizontally at 61 m/s. At the exact moment the plane is 182 m directly above the car, a crate accidentally falls from its cargo doors. Relative to the car, where will the crate land? Enter m as unit and use g = 10...
*January 22, 2013 by Jessica-- Please help!*

**Physics**

A car sits in the parking lot. Above is a cargo plane, flying horizontally at 61 m/s. At the exact moment the plane is 182 m directly above the car, a crate accidentally falls from its cargo doors. Relative to the car, where will the crate land? Enter m as unit and use g = 10...
*January 22, 2013 by Robert*

**Physics**

The position of the front bumper of a test car under microprocessor control is given by x(t)=2.17m+(4.80m/s2)t2−(0.100m/s6)t6. Find it's acceleration the second instant when the car has zero velocity. I already know that the position of the car when it has zero velocity ...
*June 8, 2015 by Lost*

**electronics**

how do you get your ipod to play songs in the car using the car speakers ... like what do i need for that to happen
*August 25, 2008 by damainmind*

**physics**

A car with a mass of 1435 kg moves at 11 m/s. What braking force is needed to bring the car to a halt in 10 s?
*May 27, 2010 by leah*

**Physics**

A car is travelling with a 5m/s in 25 minutes at a distance of 30cm calculate initial velocity and declaration of the car.
*November 29, 2010 by Abdullah*

**Physics**

A car is travelling with a 5m/s in 25 minutes at a distance of 30cm calculate initial velocity and declaration of the car.
*November 29, 2010 by Abdullah*

**physics**

A car is traveling at v = 16m/s . The driver applies the brakes and the car decelerates at a= -4.0 m/s^2 . What is the stopping distance?
*February 4, 2011 by Anonymous*

**Physics**

A high-performance car accelerates from from zero to 26.8 m/s (60 mi/h) in 3.093 s. Find the magnitude of the car's acceleration.
*February 6, 2011 by Anonymous*

**physics**

When your car is moving at 3.33 m/s and car has a mass of 860 kg, how much translational kinetic energy does it have?
*February 21, 2011 by olga*

**physics**

A 1,000 kg car accelerates uniformly to double its speed from 13.5 ms in 5.77 s. What net force acted on this car?
*April 3, 2011 by nofa*