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June 26, 2016

Search: When you take your 1200 kg car out

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physics
A racing car reaches a speed of 40 m/s. At this instant, it begins a uniform negative acceleration, using a parachute and a braking system, and comes to rest 5.0 s. (a)Determine the acceleration of the car. Work: 40m/s x 5s = 200m (0)^2=(40)^2 +2a(200) a=-4 m/s^2 (b) How far ...
September 7, 2007 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 car if...
October 22, 2007 by Dante

Physics
A car is initially travelling at a constant speed of 20 m/s along a highway. Suddenly, the driver applies the brakes, causing the car to accelerate at -5.0 m/s^2. If the driver applied the brakes 0.50s late, determine the distance the car travels from the moment the driver is ...
September 11, 2012 by Michael

Physics.
A toy car runs off the edge of a horizontal table that is 1.21 m high. The car lands 1.39 m away from the edge of the table How fast was the car moving across the table just before it fell? ____m/s MY WORK: h=1/2gt^2 1.21=1/2(9.8)t^2 1.21=4.9t^2 scuare root; .246 but that ...
October 23, 2014 by Rose Nicol

college
A sports car of mass 1300 kg (including the driver) crosses the rounded top of a hill (r = 86 m) at 23 m/s. Determine the normal force exerted by the road on the car. Determine the normal force exerted by the car on the 74 kg driver. Determine the car speed at which the normal...
February 22, 2010 by Anonymous

Algebra
1) If N is the set of natural numbers that are factors of 18, represent this set in roster form. 2) Suppose U={1,2,3,4,5,6,7,8,9,10} is the universal set and A={1,4,5,9,10} What is A? 3) The wrestling team is holding a car wash. The teams goal is to raise at lease 252 and each...
March 13, 2014 by Asia Powell

Algebra
1) If N is the set of natural numbers that are factors of 18, represent this set in roster form. 2) Suppose U={1,2,3,4,5,6,7,8,9,10} is the universal set and A={1,4,5,9,10} What is A? 3) The wrestling team is holding a car wash. The teams goal is to raise at lease 252 and each...
March 14, 2014 by Math Help? Please

Algebra
1) If N is the set of natural numbers that are factors of 18, represent this set in roster form. 2) Suppose U={1,2,3,4,5,6,7,8,9,10} is the universal set and A={1,4,5,9,10} What is A? 3) The wrestling team is holding a car wash. The teams goal is to raise at lease 252 and each...
March 15, 2014 by Math Help? Please

Pre-Algebra 7th Grade
I need help with this problem: Suppose you design a second model car that is 1/4 the size of the model car you designed in Excercise 9.What is the perimeter of the license plate on the second model car? Let me explain.The perimeter of the actual car's license plate was 36 ...
March 28, 2011 by Jorge

Physics - Please Help
Two cars are moving. The first car has twice the mass of the second car but only half as much kinetic energy. When both cars increase their speed by 3.41 m/s, they then have the same kinetic energy. a) What is the original speed of the first car? b)What is the original speed ...
February 8, 2011 by Emily

Physics - Please Help
Two cars are moving. The first car has twice the mass of the second car but only half as much kinetic energy. When both cars increase their speed by 3.41 m/s, they then have the same kinetic energy. a) What is the original speed of the first car? b)What is the original speed ...
February 8, 2011 by Emily

math
the distance between town A and town B was 210km. At 9:20pm a bus sets off from town A to town B and a car left from town B to town A. The average speed of the bus was 60km/h and the average speed of the car was 80km/h. a)Calculate the time at which the car passed the bus. b)...
February 13, 2013 by Leslie

Chemistry
Which car gets the best mileage? Car A gets 32 miles per gallon Car B gets 14 kilometers per liter
September 4, 2012 by cristine

physics
A particle that hangs from a spring oscillates with an angular frequency ω. The spring-particle system is suspended from the ceiling of an elevator car and hangs motionless (relative to the elevator car) as the car descends at a constant speed v. The car then stops ...
October 6, 2010 by flame

physics
A particle that hangs from a spring oscillates with an angular frequency ω. The spring-particle system is suspended from the ceiling of an elevator car and hangs motionless (relative to the elevator car) as the car descends at a constant speed v. The car then stops ...
October 7, 2010 by flame

physics
A particle that hangs from a spring oscillates with an angular frequency ω. The spring-particle system is suspended from the ceiling of an elevator car and hangs motionless (relative to the elevator car) as the car descends at a constant speed v. The car then stops ...
October 8, 2010 by flame

science please help asap
1. A 2. A body with a mass of 490kg is pulled along a horizontal plane at a constant velocity.the pulling force is 1.2 kN is making an angle of 20degrees with the plane. A.determine the coefficient of friction 3.a force of 318.123N accelerates a car at 3m/s^2 from rest for ...
February 26, 2015 by Buhle

math
What are the following percents: 7 out of 53 17 out of 52 4 out of 18 7 out of 18 3 out of 33 9 out of 31 3 out of 35 7 out of 32
February 14, 2010 by Mattie

corporation
plz help how can i find out if a company cannot change the constitution can the campany take share from Directors
May 4, 2007 by sarah

math
I need help with these two questions. Just take out the spaces in this link: h t t p: / /tinypic. c o m/r/nf4fp3/3
September 16, 2009 by cara

calculus
Four out of five days were used to create a problem, how many day will it take to solve it?
February 1, 2014 by Crown

chemistry
if I have 3 tablespoons of sugar (15 grams) and dissolve it in 1 cup (~237 mL) and take out 30 mL what is the molarity in the 30 mL?
April 2, 2016 by Anonymous

chemistry
if I have 3 tablespoons of sugar (15 grams) and dissolve it in 1 cup (~237 mL) and take out 30 mL what is the molarity in the 30 mL?
April 2, 2016 by Anonymous

Physics
At t=0 car A and truck B are 350 m apart on a straight road. Starting from rest car A speeds up with a constant acceleration of 10 m/s^2. Truck B is travelling in the opposite direction with a constant speed of 15 m/s. How far away is car A from its starting point when the two...
February 9, 2010 by Drew

physics
an empty coal car is moving along the tracks to a loading chute a 7km/hr., the mass of the empty car is 2000kg what is the speed of the loaded coal if the total mass of the car is now 10000 kg? give yuo answer in meters per second.
September 27, 2011 by mercedes

Physics
A car traveling at 20 m/s applies the brakes. The coefficients of static and kinetic friction between the tires and the road are 0.80 and 0.50 respectively. (A) Determine the stopping distance if the car is able to stop as quickly as possible without skidding. (B) Determine ...
October 25, 2012 by Brittney

physics
A hydraulic jack is used to lift a 2000 pound car. If the output piston (the one the car is sitting on) has an area of 60 square inches, how much force must be applied to the 0.5 square inch input piston to lift the car? ____ pounds?
February 6, 2013 by wally

physics
A hydraulic jack is used to lift a 2600 pound car. If the output piston (the one the car is sitting on) has an area of 60 square inches, how much force must be applied to the 0.5 square inch input piston to lift the car? ______ pounds.
May 2, 2015 by Amy

Science
A car runs off the road and hits a stationery rock. Some glass pieces from the windscreen are projected forward and were found at an average distance of 15 meters from the car. The average height of the windscreen is 1.5 meters. Calculate the speed of the car at the time of ...
July 6, 2015 by Jimmy

geometry
Deshawn built a model train car. The length of the model train car is 6 in. The scale Deshawn used to build the model train car is 1:36. What is the actual length of the train car in FEET?
December 2, 2013 by Elizabeth

Physics for Life science
A car is driven at 80km/h on a horizontal road. If the car is now driven up a 10m high rise, what speed would it have at the top of the rise? (Assume that the wheels of the car roll at all times so that it doesn't experience sliding friction; exclude any other dissipative ...
June 1, 2010 by TangenT

Physics
A 1000kg car accelerates from 3m/s East to 24m/s East at a rate of 3m/s. If the force of friction is 500N West; how much ower must the car exert? If heat and mechanical losses make the car only 60% efficient, what total power must be exerted to accomplish the acceleration in ...
February 8, 2011 by Shannon

Physics!!!
A 2300. kg car starts from rest and accelerates uniformly to 24.0 m/s in 24.0 s. Assume that air resistance remains constant at 510 N during this time. Find (a) the net force on the car b) the average power developed by the engine? c) the instantaneous power output of the ...
October 8, 2012 by Anonymous

science
Four racecars are driving at constant speeds around a circular racetrack. The data table gives the speed of each car and each cars distance from the center of the track at one instant. Car Speed (m/s) Position (m) A 40 20 B 40 25 C 50 20 D 50 25 Rank the cars accelerations ...
November 29, 2015 by rachel

physics
Two 4 meter lorry cars are moving along the same direction on a straight road with a constant speeds of 70 km/hr and 90km/hr. if a passenge falls asleep when the faster car is 20m behind the slower car but wakes up after it is 20m ahead of the slower car. find how long he slept?
February 6, 2016 by Israel

Physics
Suppose under the certain conditions, the maximum force of friction that could act on a certain car was 3.35*10^3 N. The mass of the car is 857kg. What is the maximum possible centripetal acceleration of the car going around a bend? I know the equation for this is a=(4piR)/(T^...
March 22, 2016 by Em

math
The total toll charge for 1 car and 5 bicycles to cross a bridge is $7.50. The toll for a car is $1.50 more than for a bicycle. Find the cost for a car to cross the bridge.
July 2, 2009 by Jason

College Algebra
car traveling on a road perpendicular to railroad track, car is 30 meters from the crossing, train is 50 meters from the car; how far is the train from the crossing?
May 8, 2010 by Margaret

english
I have to find out the direct object pronoun and then replace the direct object with a direct pronoun. Please check my answers. 1.My friend sells his new car. (car is the direct object, and I replace car with im not sure. 2. My parents watch the news . ( news is the direct ...
March 31, 2016 by Dan

Finance
You are interested in a new Ford Taurus. After visiting your Ford dealer, doing your research on the best leases available, you have three options. (i) Purchase the car for cash and receive a $1,900 cash rebate from Dealer A. The price of the car is $19,000. (ii) Lease the car...
February 19, 2015 by Anonymous

Physics
Two cars are moving. The first car has twice the mass of the second car but only half as much kinetic energy. When both cars increase their speed by 3.41 m/s, they then have the same kinetic energy. a) What is the original speed of the first car? b)What is the original speed ...
February 8, 2011 by Emily

Physics
Two cars are moving. The first car has twice the mass of the second car but only half as much kinetic energy. When both cars increase their speed by 3.41 m/s, they then have the same kinetic energy. a) What is the original speed of the first car? b)What is the original speed ...
February 8, 2011 by Em

Math
Based on past studies, a car manufacturer has found that 83% of new car buyers will sell their new car within the next four years. If 100 new car buyers are randomly selected, what is the probability that at least 90 will sell their cars within the next four years?
December 3, 2012 by Alley

physics
A clear plastic tube with a diameter of 12cm and 110cm high is filled to the top with mercury. (density = 13.6 kg/m^3). There are three holes, all with a radius of 2 millimeters located 15cm from the bottom, 50cm from the bottom and 80cm from the bottom. A) What is the ...
February 7, 2013 by dave

Physics
A motorcycle officer hidden at an intersection observes a car driven by an oblivious driver who ignores a stop sign and continues through the intersection at constant speed. The police officer takes off in pursuit 1.70 s after the car has passed the stop sign. She accelerates ...
September 3, 2015 by Izzy

math
150 men live in a certain town: 85 are married 70 have a cell phone 75 own a car 55 are married and have a cell phone 35 have a cellphone and a car 40 are married and have car 30 are married, have a car and have a cellphone. How many men are single and do not have a car? How ...
October 14, 2014 by Nia

Help w/this one again(Math!!)
Write one or two equations to represent the situation below. Solve the equation(s). Show all your work. Two cars leave town going in opposite directions. The car heading north travels at 55 mph. The car heading south travels at 75 mph. How long will it take them to get 715 ...
November 7, 2006 by Danny

Statistics
4. The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following problems: (a) draw a rough sketch, darkening in the ...
November 22, 2014 by Kendra

Statistics
4. The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following problems: (a) draw a rough sketch, darkening in the ...
August 1, 2015 by Samantha

Foreign languages
Thank you, Writeacher. I left out the following sentences. Thank you very much. 1) Who has called the wrong number? His team has always been (or have always been?) worse than the others. 2) Have you read that book yet? No, I haven't finished it yet. 3) I've never flown in a ...
May 14, 2012 by John

math
by selling an article for rs.1200 the shopkeeper lost 10 percent .at what price he have sold it to gain 10percent.
October 19, 2012 by TUHITUHI

Science Physics
How many Btu of heat must be added to 1200 lb of copper to raise its temperature from 100F to 450F
November 3, 2014 by Justin

Chemistry
What will happen if 2NaCl+CaCO3+SiO2 heated at 1200C till it turns into liquid form.
May 7, 2016 by Ashvin

English
Im worried about my grandmother. 1. Why dont you visit her often and talk with her? 2. Why dont you take her to hospital? 3. Why dont you take care of her? 4. Why dont you ask your parents to bring her to your apartment? 5. Why dont you take her to a nursing home? ...
March 6, 2016 by rfvv

physics
car P travels due East along a straight highway at a constant speed of 30m/s. at 9:00am , P passes Exit 17. At precisely the same moment, car Q passes Exit 16, traveling due West as constant 26m/s. Slightly later, car P and car Q pass the same point. knowing the ecits are ...
May 22, 2013 by kelsey

physics
A car traveling 56 km/h is 24 m from a barrier when the driver slams on the brakes. The car hits the barrier 2s later a) what is the car's constant deceleration before the impact? b)How fast is the car traveling at impact? I don't get the impact parts... I'm not entirely sure ...
September 11, 2006 by sarah

physics
How long does it take an automobile traveling in the left lane at 60.0 km/h to overtake (become even with) another car that is traveling in the right lane at 40.0 km/h when the cars front bumpers are initially 100 m apart?
September 26, 2007 by Anonymous

physics
How long does it take an automobile traveling in the left lane of a highway at 65.0 km/h to overtake (become even with) another car that is traveling in the right lane at 40.0 km/h when the cars' front bumpers are initially 80 m apart?
September 8, 2010 by Anonymous

Physics
How long would it take a car engine, say 500 pounds of iron, to cool from 1,200 degrees F (exauhst manifold temp) to air ambient temp. of 75 degrees F.
August 10, 2012 by David

physics
The speed limit in a school zone is 40.0 km/hr. A driver traveling at this speed sees a child run into the road 14 m ahead of the car. The driver applies the brakes and the car slows at a uniform rate of 8.3 m/s^2. If the driver's reaction time is 0.27 sec, what distance does ...
December 2, 2009 by kimmy

physics(help!!!!!!!)
A 1200kg car going 25m/s is brought to a stop using its brakes. Assuming that a total of approximately 20kg of iron in the brakes and wheels absorbs the heat produced by friction. What was the cars original kinetic energy and after the car has stopped, what is the change in ...
April 25, 2011 by H.T

Math
Suppose that a cyclist began a 510 mi ride across a state at the western edge of the state at the same that a car traveling toward it leaves the eastern end of the state if the bicycle and car met after 8.5 hr and the car traveled 33.4 mph faster than the bicycle find average ...
November 29, 2015 by Daniel

Physics
A 200 toy car is placed on a narrow 64--diameter track with wheel grooves that keep the car going in a circle. The 1.5 track is free to turn on a frictionless, vertical axis. The spokes have negligible mass. After the car's switch is turned on, it soon reaches a steady speed ...
November 7, 2011 by Hsieh

Math
Could someone please answer these questions for me. It is for a grade and due on Tuesday, 4/24/07. The license fee for a car varies directly with the value of the car. The fee for a car that is valued at $19,500 is $292.50. a) What is the constant of proportionality? b) Write ...
April 22, 2007 by Merl

math
which statement is biconditional a)if x=5, then 2x+3=13 b)if two angles are a linear pair, then they = 180 degrees c) if the car runs out of gas, then it will stop d) if a figure is square, then it has four sides
July 13, 2010 by Tiffany

physics
Driving home from school one day, you spot a ball rolling out into the street (see the figure ). You brake for 1.40 , slowing your 950- car from 16.0 to 9.50 .
September 19, 2011 by Ozzie

physics
Driving home from school one day, you spot a ball rolling out into the street (see the figure ). You brake for 1.00 , slowing your 970- car from 16.0 to 9.50 .
September 23, 2011 by Anonymous

Physics
I'm confused about this question: "A car traveling at 60 mi/h stops in 6 seconds. How far does it travel during this time?" I can't figure out what formula to use, or how to begin solving this.
May 24, 2016 by Kat

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 ( = 0.85)? (b) What will be the ...
September 21, 2010 by Tom

Math
At 10 am two cars start traveling toward each other from 287 miles apart. They passed each other at 1:30 pm. If the rate of the fster car exceeded the rate of the slower car by 6 miles per hour, find the rat (in mph) of the faster car. A. 38 B. 40 C. 44 D. 48 E. 50 I think it ...
November 7, 2010 by Quinn

Math..urgent.pls help!:(
A Volkswagon Beetle convertible sedan is worth $16,615 now and is expected to be worth $8950 in 4 years. a) find a linear depreciation function for this car. b) estimate the value of the car 5 years from now c.) at what rate is the car depreciating? thanks in advance people!
February 6, 2011 by anonymous

physics
A car rolling at 18m/s when the driver hits the breaks after 5 seconds the car has slowed down to 3m/s find the cars acceleration you most write down all given information and show all work WHat does this acceleration tell us about the motion of the car?
May 3, 2012 by lisa

physics
A car is rounding a circular curve of radius r on a banked turn. As the drawing indicates, there are two forces acting on the car, its weight mg and the normal force FN exerted on it by the road. Which force, or force component, provides the centripetal force that keeps the ...
June 1, 2014 by sally

physical science
A car travels in a northward direction for a total distance of 512 km. The car completes this trip in 6 hrs. After resting the driver makes the return trip, the return trip only takes 5.5 hours. What is the average speed of the car over the entire trip?
August 21, 2014 by Anonymous

physics
Lauren was driving north on Hwy 75 with a speed of 46.7 m/s when she heard on a CB that a patrolman was hiding 112.7 m north of where she is. Knowing that the patrolman can start clocking the car in 2.9 seconds, Lauren decided to slow to 27.5 m/s. and immediately pressed on ...
September 2, 2011 by Jeon

Algebraic
Salem and Vernon ville are 168 miles apart. A car leaves Salem traveling towards Vernonville, and another car leaves Vernonville at the same time, traveling towards Salem. The car leaving Salem averages 10 miles per hour more than the other and they meet after 1 hour and 36 ...
April 1, 2013 by Evelyn

Math
The distance between Town A and Town B was 210 km. At 9:20 P.M., a bus set off from Town A to Town B and a car left from Town B to Town A. The average speed of the bus was 60 km/h, and the average speed of the car was 80km/h. a) Calculate the time at which the car passed the ...
April 29, 2016 by Brody

Algebra! Help needed!
I'm having a little trouble with this problem... Please try and walk me through the problem, too: #1. A motorboat leaves a dock and travels at an average speed of 15 mi/h toward an island. The average speed on the return trip is 10 mi/h. How far is the island from the harbor ...
November 20, 2008 by Celina

Physics
A speeder passes a parked police car at a constant speed of 31.8 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.74 m/s 2 . How much time passes before the speeder is overtaken by the police car?
September 1, 2012 by Daisy

Physics
A speeder passes a parked police car at a constant speed of 24.8 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.45 m/s2. How much time passes before the speeder is overtaken by the police car?
September 16, 2012 by Rene

Physics
A speeder passes a parked police car at a constant speed of 24.8 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.45 m/s2. How much time passes before the speeder is overtaken by the police car?
September 16, 2012 by Rene

Physics
In a front-end collision, a 1400 kg car that has shock-absorbing bumpers can only withstand a maximum force of 75 kN before any sort of damage occurs.If the maximum speed for a car that is nondamaged in a collision is 10 Km/h, by how much must the bumper be able to move ...
January 29, 2009 by Harold

physics
two bumper cars in an amusement park ride collide elastically as one approaches the other directly from the rear. car A has a mass of 500kg and carB 600kg, owing to fidderences in passenger mass. if car A approaches at 4m/s and car B is moving at 3.2 m/s, calculate a) their ...
April 25, 2009 by Nat

Physics
A person who is properly constrained by an over-the-shoulder seat belt has a good chance of surviving a car collision if the deceleration does not exceed about 30 "'s". Assuming uniform deceleration of this value, calculate the distance over which the front end of the car must...
September 24, 2012 by Amie

Physics- PLEASE HELP
A 2300. kg car starts from rest and accelerates uniformly to 24.0 m/s in 24.0 s. Assume that air resistance remains constant at 510 N during this time. Find (a) the net force on the car b) the average power developed by the engine? c) the instantaneous power output of the ...
October 7, 2012 by Anonymous

Physics-mechanics
A child's toy car runs off a battery that can supply 105 Wh of energy. If all losses (including friction) consume 45.0% of the energy available and the rider and car have a combined weight of 910 N, determine the height of the largest hill the child can climb in the car in a ...
March 29, 2016 by John

physics
1) What average power is required for a runner with a mass of 85 kg to reach a speed of 8 m/s from a stationary start during a time of 2 s? 2) A 1000 kg car travels east at 30 m/s and collides with a 3400 kg truck travelling south at 20 m/s. After the collision the two ...
March 29, 2015 by k

physics
A child operating a radio-controlled model car on a dock accidentally steers it off the edge. The car's displacement 1.0 s after leaving the dock has a magnitude of 12.8 m. What is the car's speed at the instant it drives off the edge of the dock?
January 26, 2011 by MS

physics
Imagine you are sitting in a car tossing a ball straight up into the air. a) If the car is moving at constant velocity will the ball land in front of, behind, or in your hand? b) If the car rounds a curve at constant sped where will the ball land?
March 1, 2012 by annoymus

physics
A child operating a radio-controlled model car on a dock accidentally steers it off the edge. The car's displacement 0.58 s after leaving the dock has a magnitude of 7.1 m. What is the car's speed at the instant it drives off the edge of the dock?
September 15, 2012 by tom

Physics
A child operating a radio-controlled model car on a dock accidentally steers it off the edge. The car's displacement 0.95 s after leaving the dock has a magnitude of 6.7 m. What is the car's speed at the instant it drives off the edge of the dock?
February 9, 2013 by Andy

physics
A speeder passes a parked police car at a constant speed of 20.2 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.86 m/s 2 . How much time passes before the speeder is overtaken by the police car? Answer in units of s
October 29, 2013 by Anonymous

Physics
A disgruntled physics student sees the front end of his teacher's car below him at the base of a building. If the student is 5.0 m high above the car which is 3.0 m long and traveling only 3m/s to the right, will the apple of the student hit the teacher's car?
June 24, 2014 by VAN

physics
A speeder passes a parked police car at a constant speed of 39.2 m/s. At that instant, the police car starts from rest with a uniform 2 is overtaken by the police car? Answer in units of s acceleration of 2.77 m/s . How much time passes before the speeder
September 22, 2014 by Anonymous

physics
A speeder passes a parked police car at a constant speed of 20.1 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.65 m/s 2 . How much time passes before the speeder is overtaken by the police car? Answer in units of s.
January 29, 2015 by Jesus

physics
A speeder passes a parked police car at a constant speed of 20.1 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.65 m/s How much time passes before the speeder is overtaken by the police car? Answer in units of s
February 5, 2015 by Mark

stafford elementary school
A car is stopped at a red light. The light turns green,and the car turns right around a corner. Which property of the car is changing? A: position only B:speed only C:direction only D:acceleration
December 3, 2015 by Sabah

statistics
4. The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following problems: (a) draw a rough sketch, darkening in the ...
August 14, 2015 by Martin

Physics
Eris, the largest dwarf planet known in the Solar System, has a radius R = 1200 km and an acceleration due to gravity on its surface of magnitude g = 0.77 m/s2. (a) Use these numbers to calculate the escape speed from the surface of Eris. (b) If an object is fired directly ...
June 29, 2012 by James

physics
a car traveling in a large circle passes by a motorcycle that is traveling in a straight line from North to South. both of their speedometers read 10m/s. which statement below is true? A. The car and the motorcycle have the same speed, but different velocities. B. The car and ...
January 8, 2011 by Anonymous

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