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December 18, 2014

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Physics
A 1900 car starts from rest and drives around a flat 50--diameter circular track. The forward force provided by the car's drive wheels is a constant 1300 . A) What is the magnitude of the car's acceleration at ? B) What is the direction of the car's acceleration at ? Give the ...
March 15, 2011 by Dan

Physics
A car travels around a circular track (4 km diameter). Its tires have frictional coefficients: mS = 0.3 & mK = 0.2. If the track is flat, how fast can the car travel around the track and still maintain control?
February 21, 2011 by Paige

Physics
A 1900kg car starts from rest and drives around a flat 56-m-diameter circular track. The forward force provided by the car's drive wheels is a constant 1000N. a. What is the magnitude of the car's acceleration at t=13s? b. What is the direction of the car's acceleration at t=...
March 9, 2010 by Kay

math
a car drives around a circular track 3 times if the track has a radius of 0.5 miles , how far did the car travel in total?
February 17, 2011 by linda

Physics
A car starts from rest and travels along a circular track with a radius of 55.0 meters. The car starts out at a position due East of the center of the track, heading due North initially around the track, which is counterclockwise. The car increases its speed by 105 m/s every ...
October 18, 2010 by Diana

physics
A car starts from rest and travels along a circular track with a radius of 55.0 meters. The car starts out at a position due East of the center of the track, heading due North initially around the track, which is counterclockwise. The car increases its speed by 105 m/s every ...
October 18, 2010 by Diana

Physics
A car traveling on a flat (unbanked) circular track accelerates uniformly from rest with a tangential acceleration of 1.70 m/s2.The car makes it one quarter of the way around the circle before it skids off the track. Determine the coefficient of static friction between the car...
February 22, 2010 by engmath

physics
A race car starts from rest on a circular track. The car increases its speed at a constant rate at as it goes 2.75 times around the track. Find the angle that the total acceleration of the car makes with the radius connecting the center of the track and the car at the moment ...
February 18, 2011 by eric

pyscics
a race car starts from rest on a circular track the car in races as its speed at a constant rate of as it goes 2.75 times around the track.find the angle that the total acceleration of the car makes with the radius connecting the centre of the track & the car at to moment the ...
November 20, 2014 by abera

physics
a race car starts from rest on a circular track.the car increases its speed at constant rate at as it goes 2.75 times around the track.find the angle that the total acceleration of the car makes with the radius connecting the centre of the track and the car at the moment the ...
November 21, 2014 by abera

Physics
A race car driver drives her 1500 kg car around a circular turn, which is banked at an angle of 20 degrees to the horizontal. If the car is traveling around the frictionless curve of radius 100m, a) What is providing the center-seeking force on the car? (ie. centripetal force...
December 1, 2009 by Anonymous

Physics
Friction provides the force needed for a car to travel around a flat, circular race track. What is the maximum speed at which a car can safely travel if the radius of the track is 77.0 m and the coefficient of friction is 0.36?
February 2, 2010 by Sasha

Physics
Friction provides the force needed for a car to travel around a flat, circular race track. What is the maximum speed at which a car can safely travel if the radius of the track is 85.0 m and the coefficient of friction is 0.38?
October 6, 2010 by Preston

Physics
Friction provides the force needed for a car to travel around a flat, circular race track. What is the maximum speed at which a car can safely travel if the radius of the track is 80.0 m and the coefficient of friction is 0.38?
February 3, 2011 by Kristen

physics
Friction provides the force needed for a car to travel around a flat, circular race track. What is the maximum speed at which a car can safely travel if the radius of the track is 82.0 m and the coefficient of friction is 0.39?
January 16, 2012 by bob

PHYSICS
super easy (I think) but I must be missing some concept... A race car starts from rest on a circular track. The car increases its speed at a constant rate at as it goes 5.00 times around the track. Find the angle that the total acceleration of the car makes with the radius ...
January 6, 2010 by Laila

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
A car travels at a constant speed around a circular track whose radius is 2.5 km. The car goes once around the track in 430 s. What is the magnitude of the centripetal acceleration of the car? m/s2
April 2, 2008 by Will G

Physics
A car travels at a constant speed around a circular track whose radius is 2.5 km. The car goes once around the track in 430 s. What is the magnitude of the centripetal acceleration of the car?
April 2, 2008 by Tasha

PHYSICS
A car travels at a constant speed around a circular track whose radius is 3.1 km. The car goes once around the track in 280 s. What is the magnitude of the centripetal acceleration of the car?
September 30, 2010 by Joshua

Physics
A car travels at a constant speed around a circular track whose radius is 2.9 km. The car goes once around the track in 380 s. What is the magnitude of the centripetal acceleration of the car?
October 23, 2010 by Angela

physics
A car travels at a constant speed around a circular track whose radius is 2.60 km. The car goes once around the track in 344 s. What is the magnitude of the centripetal acceleration of the car?
February 13, 2012 by Joe

physics
A car travels at a constant speed around a circular track whose radius is 2.1 km. The car goes once around the track in 320 s. What is the magnitude of the centripetal acceleration of the car? 1 m/s2
November 6, 2012 by Anonymous

PHY SCI
A race car goes around a circular, level track with a diameter of 1.00 km at a constant speed of 90.0 km/h. What is the car's centripetal acceleration in m/s^2?
August 24, 2014 by Jennifer PR

physics
A jogger jogs around a circular track with a diameter of 130 meters in 27 minutes. What is the distance around the track?
October 23, 2011 by Judy

physics
A 905 kg test car travels around a circular track with a circumference of 3.25 km. If the magnitude of the force that maintains the car's circular motion is 2140 N, what is the car's tangential speed?
November 18, 2010 by Devon

Physical Science
A race car goes around a level, circular track with a diameter of 1km at a constant speed of 90 km/h. What is the centripital acceleration?
September 5, 2011 by Jill

Physics
A race car travels 110 m/s around a circular track of radius 197 m. The track is banked at 22 degrees from the horizontal with a friction constant of 0.14. What is the magnitude of the resultant force on the 2800 kg driver and his car of the car does not slip?
December 4, 2012 by Tim

PHYSICS
A car moves around a 4.5 km circular track at a rate of 40.0 m/s. What is the magnitude of the force that keeps a 1000-kg car in circular motion?
September 8, 2014 by DULCE ALERIA

Physics
A car goes around an unbanked circular track with a radius of 500m. The coefficient of friction between the tires and the track is .4. What is the max speed such that a car does not skid?
February 5, 2012 by Krystal

physics
A 640-kg racing car completes one lap in 14.3 s around a circular track with a radius of 45.0 m. The car moves at constant speed. (a) What is the acceleration of the car? m/s2 (b) What force must the track exert on the tires to produce this acceleration?
January 6, 2012 by bob

Physics
A 640-kg racing car completes one lap in 14.3 s around a circular track with a radius of 55.0 m. The car moves at constant speed.(a) What is the acceleration of the car?(b) What force must the track exert on the tires to produce this acceleration?
October 25, 2012 by Jamal

Math
A 605-kg racing car completes one lap in 14.3 s around a circular track with a radius of 40.0 m. The car moves at constant speed. a) What is the acceleration of the car? (b) What force must the track exert on the tires to produce this acceleration?
December 3, 2012 by Noah

physics
A 605-kg racing car completes one lap in 14.3 s around a circular track with a radius of 40.0 m. The car moves at constant speed. (a) What is the acceleration of the car? (b) What force must the track exert on the tires to produce this acceleration?
December 7, 2012 by Noah

Physics
A car weighing 9800 N moves around a circular track of 70 m in 60 s. a. What is the speed or the car? b. What is the centripetal acceleration? c. What is the centripetal force? d. What is the coefficient of friction between the tires and the road? The distance around a circle ...
November 19, 2006 by QT

physics
A 590 kg racing car completes one lap in 14.3 seconds around a circular track with a radios of 45.0 meters. The car moves at constant speed. (A) what is the acceleration of the car? (B) what force must the track exert on the tires to produse this acceleration?
December 11, 2014 by Natalie

math
A circular racetrack has a diameter of 200 meters. What is the approximate distance a car travels in meters for three full revolutions around the track? use 3.14 for pie.
November 21, 2010 by Abby

Trigonometry
A race car is driven around a circular track at a constant speed of 180mph. If the diameter is 1/2 mile, what is the angular speed of the car? Express your answer in revolutions per hour. The formula for angular speed is w=theta (in radians)/time
April 12, 2010 by Anonymous

Trigonometry
A race car is driven around a circular track at a constant speed of 180mph. If the diameter is 1/2 mile, what is the angular speed of the car? Express your answer in revolutions per hour. The formula for angular speed is w=theta (in radians)/time
April 12, 2010 by Anonymous

physics
A 625-kg racing car completes one lap in 14.3 s around a circular track with a radius of 55.0 m. The car moves at constant speed. (a) What is the acceleration of the car?
October 26, 2010 by rachel

phyisics
A 615 kg racing car completes one lap in 14.3 s around a circular track with a radius of 40.0 m. The car moves at constant speed. (a) What is the acceleration of the car?
February 14, 2012 by matt

physics
A race car travels 90 m/s around a circular track of radius 93.5 m. 2.9 mg µ = 0.12 19◦ What is the magnitude of the resultant force on the 2900 kg driver and his car if the car does not slip?
December 2, 2012 by ccbatman

11th grade
A 625-kg racing car completes one lap in 14.3 s around a circular track with a radius of 50.0 m. The car moves at constant speed. (a) What is the acceleration of the car?
November 29, 2010 by john

Physics
if a car is moving around a circular track at a constant speed of 55 mi/h, is there a net force acting on the car?
October 25, 2010 by Janice

Physics
You are driving your race car around a circular test track. Which would have a greater effect on the magnitude of your acceleration, doubling your speed or moving to a track with half the radius? Why?
April 25, 2011 by Rob

physics
You are driving your race car around a circular test track. Which would have a greater effect on the magnitude of your acceleration, doubling your speed or moving to a track with half the radius? Why
May 1, 2011 by john

Physics
You are driving your race car around a circular test track. Which would have a greater effect on the magnitude of your acceleration, doubling your speed or moving to a track with half the radius? Why?
May 10, 2012 by Bob

Physics
An Indy car with a speed of 120 km/h goes around a level, circular track with a radius of 1 km. What is the centripetal acceleration of the car (in m/s/s)?
May 10, 2012 by Bob

Physic
A race car makes two and a half laps around a circular track in 4.5 min. What is the car's average angular speed?
May 8, 2011 by Anonymous

Physics
A 1500kg car travels at a constant speed of 22 m/s around a circular track that has a radius of 85 m. What is the average velocity of the car during one revolution?
October 30, 2008 by Sandhya

physics
A small toy car is moving around a circular path once in every 8 sec. The radius of track is 3m. find speed of car.
June 12, 2010 by Anonymous

Engineering
You are given a hydraulic jack which you'd like to keep in your car in case you have a flat. Your vehicle weighs 4500lbs, and you know the jack will have to lift 1500 lbs when you put it under the axle. The hand end cylinder of the jack is 1/2inch in diameter and the "work" ...
September 25, 2006 by Matt

Physics
A car weighing 9800 N moves around a circular track of 70 m in 60 s. (a)
November 18, 2006 by Vv

math
Two race cars are speeding around the racetrack at different speeds. One goes around the track in 2 minutes; the other goes around the track in 11/2 minutes. How often does the faster car pass the slower car?
November 10, 2012 by Anonymous

phsyics
A car races on a circular track of radius r. (a) Write an equation for the car's average speed when it travels a complete lap in time t. (b) The radius of the track is 100 m and the time to complete a lap is 14 s. Show that the average speed around the track is 45 m/s.
March 19, 2014 by price

Physics
Which of the following is not a good example of uniform circular motion? a) a person riding on a ferris wheel that is turning at a constant rate b) a person taking off on an airplane to fly around the world on a path defined by the equator c) a race car driving at a constant ...
October 16, 2012 by Lewis

physics
Two race cars are speeding around the racetrack at different speeds. One goes around the track in 2 minutes; the other goes around the track in 1˝ minutes. How often does the faster car pass the slower car? Is there a formula to figure this out?
October 26, 2010 by Mike

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
Two cars run at constant speeds around a one-mile racetrack. If the cars circle the track in the same direction, the faster car passes the slower car every 10 minutes. If the cars circle the track in opposite directions, the cars meet every 30 seconds. Find the speed of the ...
September 22, 2013 by Raz

math
ANGULAR SPEED OF A RACE CAR. A race car is driven around a circular track at a constant speed of 180miles per hour. If the diameter of the track is 1/2mile, what is the angular speed of the car? Express your answer in revolutions per hour(which is equivalent to laps per hour) ...
June 13, 2007 by michelle

physical science
A person drives a car around a circular cloverleaf with a radius of 58 m at a uniform speed of 10 m/s. ) Compare this answer with the acceleration due to gravity as a percentage
July 12, 2012 by cre

Physics
A tennis ball is a hollow sphere with a thin wall. It is set rolling without slipping at 4.07 m/s on a horizontal section of a track. It rolls around the inside of a vertical circular loop 90.0 cm in diameter and finally leaves the track at a point 20.0 cm below the horizontal...
June 5, 2007 by Dan

Physics
A 245 g toy car is placed on a narrow 70-cm-diameter track with wheel grooves that keep the car going in a circle. The 1.0 kg 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 ...
April 19, 2014 by Kaitlyn

Physics
A car can be driven around a 120 m radius curve at constant speed without sliding if the maximum centripetal acceleration is 0.130g. (a) What is the maximum speed that the car can travel around the curve without sliding? (b) If the car was on a circular race track with this ...
September 21, 2012 by josephz

kinetics
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and the radius of the track is 50 metres and there are no friction forces present a) draw a free body diagram of the car b)calculate the linear velocity...
March 8, 2012 by dmkp

kinetics
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and the radius of the track is 50 metres and there are no friction forces present a) draw a free body diagram of the car b)calculate the linear velocity...
March 28, 2012 by dmkp

kinetics
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and the radius of the track is 50 metres and there are no friction forces present a) draw a free body diagram of the car b)calculate the linear velocity...
March 30, 2012 by dmkp

kinematics
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and the radius of the track is 50 metres and there are no friction forces present a) draw a free body diagram of the car b)calculate the linear ...
May 30, 2012 by dmkp

engineering mechanics
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and the radius of the track is 50 metres and there are no friction forces present a) draw a free body diagram of the car b)calculate the linear ...
April 4, 2012 by dmkp

engineering mechanics
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and the radius of the track is 50 metres and there are no friction forces present a) draw a free body diagram of the car b)calculate the linear velocity...
April 5, 2012 by dmkp

physics
a race car travels 22 m/s around a circular track of radius 142 m/ what is magnitude of the resultant force on the 1400 kg driver answer his car? answer in units of kN. the angle from the wheel to the horizontal is 32 degree..and u= .11
November 21, 2010 by vanessa

physics
A toy car rolls at a constant speed down a straight inclined track. When the car reaches the flat surface at the base of the inclined track, the speed of the car decreases.
August 10, 2011 by betsy

physics
A jogger jogs around a circular track with a diameter of 325 m in 10. minutes. What was the jogger's average speed in m/s?
September 18, 2014 by kim

dynamics
12. A car travels around a horizontal circular track of radius 45m.If the car increases its speed at a constant rate of 1.2m/s2 starting from rest, determine the time needed for it to reach an acceleration of 1.4m/s2. What is its speed at this instant?
August 3, 2012 by shivankar

math
a car travels around a horizontal circular track of radius 45m. if the car increases its speed at a constant rate of 1.2m/s starting from rest, determine the time needed for it to reach an acceleration of 1.4m/s. What is its speed at this instant?
August 4, 2012 by raj

Dynamics
A car travels around a horizontal circular track of radius 45m.If the car increases its speed at a constant rate of 1.2m/s2 starting from rest, determine the time needed for it to reach an acceleration of 1.4m/s2. What is its speed at this instant?
August 6, 2012 by ROHIT

physics
A 1200kg car travels at a constant speed of 12 m/s around a horizontal, circular track with a radius of 45m. What is the magnitude of the centripetal for
February 14, 2014 by taylor

physicssss
A mass m = 73 kg slides on a frictionless track that has a drop, followed by a loop-the-loop with radius R = 17.9 m and finally a flat straight section at the same height as the center of the loop (17.9 m off the ground). Since the mass would not make it around the loop if ...
October 8, 2011 by aaa

physics
A mass m = 73 kg slides on a frictionless track that has a drop, followed by a loop-the-loop with radius R = 17.9 m and finally a flat straight section at the same height as the center of the loop (17.9 m off the ground). Since the mass would not make it around the loop if ...
October 11, 2011 by a

Physics
A car is doing a loop-the-loop. The loop has a radius of .4m. Assume the car is starting with the minimum speed it needs in order to stay in contact with the track at all times (at the top of the track, the car is not applying a force to the track). neglect friction. What is ...
March 6, 2012 by Melissa

Physics
What is the smallest radius of an unbanked (flat) track around which a bicyclist can travel if her speed is 35 km/h and the μs between tires and track is 0.35?
February 18, 2010 by Andrew

Circular motion
The drawing shows a version of the loop-the-loop trick for a small car. If the car is given an initial speed of 5.0 m/s, what is the largest value that the radius r can have if the car is to remain in contact with the circular track at all times?
October 10, 2011 by Acceleration

Physics
A bike goes around a circular track of diameter 21500 cm in 10 min. Find its speed? please answer fast i want this answer tomorrow.
July 29, 2012 by Anupam khatiwara

Physics
A car is traveling around a horizontal circular track with radius r = 240 m at a constant speed v = 25 m/s as shown. The angle čA = 34° above the x axis, and the angle čB = 65° below the x axis. I found the car's acceleration to be 2.6 m/s^2 (a=v^2/r). Now I need to know the x...
September 11, 2010 by Joy

physics
The combined mass of a race car and its driver is 600. kilograms. Traveling at a constant speed, the car completes one lap around a circular track of radius 160 meters in 36 seconds. A) Based on the given information, calculate the speed of the car. B) Calculate the magnitude ...
January 10, 2010 by Nicole

Physics
What is the smallest radius of an unbanked (flat) track around which a bicyclist can travel if her speed is 28 km/h and the μs between tires and track is 0.28? (Answer must be in meters)
November 8, 2011 by Ian

Physics
A fast-moving superhero in a comic book runs around a circular, 70-m-diameter track five and a half times (ending up directly opposite her starting point) in 3.0s. What is her angular speed, in rad/s?
March 8, 2013 by Leanna

physics
A car that is initially at rest at the top of a roller-coaster track moves down the track without friction. What must be the maximm initial height from which the car descends so that it will not fly off the 10-m-high circular hill at the bottom?
December 7, 2010 by Shelby

physics
A tennis ball is a hollow sphere with a thin wall. It is set rolling without slipping at 4.24 m/s on a horizontal section of a track. It rolls around the inside of a vertical circular loop 90.0 cm in diameter and finally leaves the track at a point 19.0 cm below the horizontal...
March 2, 2010 by emath

energy conservation
A car that is initially at rest at the top of a roller-coaster track moves down the track without friction. What must be the maximm initial height from which the car descends so that it will not fly off the 10-m-high circular hill at the bottom?
December 7, 2010 by Shelby

trig
A car travels around a circular track at 185 miles per hour. Is this a linear velocity or an angular velocity? Explain.
June 9, 2010 by Nancy

science
A jogger jogs around a circular track with a diameter of 330 meters in 31 minutes. What was the runner's average speed? What was the runner's average velocity
February 4, 2012 by Anonymous

Physics
A car is traveling around a horizontal circular track with radius r = 190.0 m at a constant speed v = 22.0 m/s as shown. The angle čA = 15.0° above the x axis, and the angle čB = 63.0° below the x axis. 1) What is the magnitude of the car’s acceleration? 2) What is the x ...
January 19, 2013 by Anonymous

physics
A 0.40-kg block slides along a small track with elevated ends and a flat central part. The flat part has a length L = 1.84 m. The curved portions of the track are frictionless, but for the flat part the coefficient of kinetic friction is 0.132. The block is released from rest ...
February 22, 2012 by Katie

math
Michael and mateo begin running around a circular track from the starting point at the same time. it takes Michael 48 seconds one lap around the track. it takes mateo 60 seconds to complete one lap around the track how many minutes does it take before the two boys will meet at...
December 15, 2013 by jeffrey

college physics
A 0.50-kg block slides along a small track with elevated ends and a flat central part. The flat part has a length L = 1.85 m. The curved portions of the track are frictionless, but for the flat part the coefficient of kinetic friction is 0.103. The block is released from rest ...
March 25, 2012 by jerry

math
George has enough fencing to enclose 2400 square feet around a circular pool. If he builds a circular fence and he wants 12 foot walkway around the pool, what is the largest pool diameter possible?
November 30, 2010 by carmie

physics
A car drives around a curve with radius 410 m at a speed of 39 m/s. The road is banked at 4.6°. The mass of the car is 1600 kg. (a) What is the frictional force on the car? (b) At what speed could you drive around this curve so that the force of friction is zero?
March 25, 2010 by Anonymous

Physics
A runner with mass 100 kg jogs around a circular track with circumference 1 km. If he does one lap in 6 min, what is his angular momentum about the center of the track?
February 4, 2011 by Angular Momentum

Physics
A car moves along a circular track at 60 kmph. If the radius of the track is 300 m, calculate the acceleration towards the centre
August 11, 2011 by Aditya

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