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October 25, 2014

Search: Physics - Uniform circular motion

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physics
For this problem use the Uniform circular motion mode of the simulation. (a) Given the limits on the sliders in the simulation, what is the maximum possible speed that can be achieved in "Uniform circular motion" mode? .25 m/s For the remaining parts of this question use the ...
December 20, 2009 by jesse

physics - uniform circular motion
Explain why the kinematics equations which describe the motion of the object that has constant acceleration cannot be applied to uniform circular motion.
August 23, 2010 by Shaila

Physics - Uniform circular motion
What type of acceleration is associated with uniform circular motion?
August 21, 2010 by Shaila

Physics
please check these answers for me When an object is moving with uniform circular motion, the centripetal acceleration of the object a. is circular b. is perpendicular to the plane of motion c. is zero d. is directed toward the center of motion D What is the term for the net ...
February 15, 2009 by teamjakeward

Physics
Explain (wit diagram) how uniform circular motion is an example of an accelerated motion?
July 29, 2012 by Anupam khatiwara

Physics
A charged particle is projected into a uniform B-field. Its velocity vector is perpendicular to the B-field vector. What type of path will the particle travel? Neglect gravity. Answer straight line motion elliptical motion parabolic motion circular motion
July 16, 2013 by tom

Physics Please Help
A spider sits on its web, undergoing simple harmonic motion with amplitude A.What fraction of each cycle does the spider spend at positions with x>0.75A? Hint: Use the analog of uniform circular motion.
October 21, 2010 by Nikki

Physics Please Help
A spider sits on its web, undergoing simple harmonic motion with amplitude A.What fraction of each cycle does the spider spend at positions with x>0.75A? Hint: Use the analog of uniform circular motion.
October 21, 2010 by Nikki

Astronomy
Retrograde motion describe the A backward motion of the stars relative to Earth B uniform circular motion exhibited by the planets C irregular speeds at which the planet travel. D backward motion of the planets with respect to the stars I think the answer is A But my book ...
March 28, 2010 by B

Physics problems
Hi, everyone who is going to read this, thank you for trying to help me, this really means a lot to me, you are saving my behind! Ok, so here it goes: I was wondering if this information is correct; please tell me if it is not A Ferris wheel is a vertical wheel...it undergoes ...
October 28, 2007 by Serena

physics uncertenty
What is the algebraic expression for the uncertainty in the centripetal acceleration σac for uniform circular motion in terms of the uncertainties in the period and the radius of the motion? (Use the following as necessary: σT, σr, ac , T, and r.)
February 16, 2011 by Johnathon

Physics
1. Could a horizontal axis of rotation be used satisfactorily in an experiment uniform circular motion? Explain
January 16, 2011 by Andrew

physics
What is the centripetal force of an object undergoing uniform circular motion when its radius is doubled and its speed remains constant?
April 25, 2013 by Anonymous

physics
A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential acceleration, Radial ...
November 13, 2011 by sand

physics
A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential acceleration, Radial ...
November 13, 2011 by sand

physics
A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential acceleration, Radial ...
November 14, 2011 by sand

physics
A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential acceleration, Radial ...
November 15, 2011 by sand

physics
A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential acceleration, Radial ...
November 15, 2011 by sand

physics
We are learning about circular motion, uniform and non uniform. how do you find tension in a string, when the string is attached to a object with mass m and length r? What about if you are swinging it around in a horizontal circle and the string makes a angle theata with the ...
October 7, 2009 by Kalen

physics
Two particles A and B are in uniform circular motion about a common center. The acceleration of particle A is 4.7 times that of particle B. Particle B takes 2.4 times as long for a rotation as particle A. Th ratio of the radius of the motion of particle A is that of particle B...
September 23, 2011 by Audrey Petricevich

physics
The following table lists data for the speed and radius of three examples of uniform circular motion. Find the magnitude of the centripetal acceleration for each example.
October 28, 2013 by Anonymous

Physics
In uniform circular motion, which of the following quantities are constant: speed, instantaneous velocity, tangential velocity, radial acceleration, tangential acceleration? Which of these quantities are zero throughout the motion?
October 8, 2013 by John

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

College Physics
A concept question: Suppose that the centripetal force acting on an object in circular motion were increased to a new value, and the object remained in circular path with the same radius. How would its motion be affected?
September 30, 2010 by Eric

Uniform Motion
It is common to see birds of prey rising upward on thermals. The paths they take may be spiral-like. You can model the spiral motion as uniform circular motion combined with a constant upward velocity. Assume a bird completes a circle of radius 8.00m every 5.00s and rises ...
September 26, 2008 by Sun

Uniform Motion
It is common to see birds of prey rising upward on thermals. The paths they take may be spiral-like. You can model the spiral motion as uniform circular motion combined with a constant upward velocity. Assume a bird completes a circle of radius 8.00m every 5.00s and rises ...
September 26, 2008 by Mel

Physics
1.A mass is moving in uniform circular motion under the effects of a centripetal force. If the force is doubled and the radius is cut in half, by what factor will the speed change?
December 6, 2012 by Antone

Physics
A body is said to be in uniform motion if the body covers equal distance in equal intrevals of time.Then why is it said that when a body is in rest,it is in uniform motion? "Rest" is a special case of uniform motion. The "equal distance" travelled in equal time intervals just ...
October 1, 2006 by Annarea

physics
plz help Two particles of mass m and M Undergo uniform circular motion about each other at a seperation R under the influence of an attractive force F . The angular velocity is w (Omega) radians per second. Show that R=(F/w)(1/m+ 1/M).
December 17, 2013 by yasin

Physics
If a proton is moving in a magnetic field with a speed of 4 ◊ 106m/s and is executing uniform circular motion with a radius of 10 cm, what is the magnetic field?
March 21, 2013 by Lindsey

Physics
A cat rides a merry-go-round turning with uniform circular motion. At time t1 = 2.00 s, the cat's velocity is (3.00 m/s) + (2.70 m/s) , measured on a horizontal xy coordinate system. At t2 = 5.90 s, its velocity is (-3.00 m/s) + (-2.70) . What are (a) the magnitude of the cat'...
September 13, 2010 by Antonio

Physics
A cat rides a merry-go-round turning with uniform circular motion. At time t1 = 1.80 s, the cat's velocity is (3.60 m/s)i + (2.00 m/s)j , measured on a horizontal xy coordinate system. At t2 = 5.70 s, its velocity is (-3.60 m/s)i + (-2.00)j . What are (a) the magnitude of the ...
February 23, 2011 by leo

Physics
Is an airplane flying round trip at a constant speed an example of uniform circular motion or is a record player rotating at a record speed?
June 29, 2011 by Jordan

Physics
A centripetal-acceleration addict rides in uniform circular motion with period T = 4.30 s and radius r = 3.00 m. At one instant his acceleration is a = (4.00 m/s2)i + (-5.00 m/s2)j . At that instant, what are the following values? (a) v ∑ a (b) r x a
February 4, 2013 by Rachel

physics
The second hand on a watch has a length of 4.50 mm and makes one revolution in 60.00 s. What is the speed of the end of the second hand as it moves in uniform circular motion? I just need some help getting started
November 4, 2008 by kyle

Physics College - Circular motion
At time t1 = 2.00 s, the acceleration of a particle in counterclockwise circular motion is (6.00 m/s2) i^+ (4.00 m/s2) j^. It moves at constant speed. At time t2 = 5.00 s, its acceleration is (4.00 m/s2) i^+ (-6.00 m/s2) j^. What is the radius of the path taken by the particle?
September 21, 2014 by Ana

physics
For circular motion in the vertical plane, what is the centripital acceleration at the bottom of the circle? What is the magnitude of the centripetal acceleration at the top of the trajectory ? express your ans. in terms of g, M and T, where is T is tension and M is mass of ...
October 1, 2013 by ss01

Physics
Commercial aircrafts usually bank at an angle of no more than 30.0 degrees when turning. At 30.0 degrees of bank, how many g's of lift must the aircraft pull if it is to maintain uniform circular motion without losing altitude?
October 17, 2011 by Lauren

Physics
Consider points on the Earth's surface as sketched in the figure below. Because of the Earth's rotation, these points undergo uniform circular motion. Compute the centripetal acceleration at the following points.
June 29, 2012 by Sierra

physics
In a cloud chamber experiment, a proton enters a uniform 0.260 magnetic field directed perpendicular to its motion. You measure the proton's path on a photograph and find that it follows a circular arc of radius 6.38 . How fast was the proton moving?
February 28, 2013 by Anonymous

Physics
An object in uniform circular motion moves at a constant speed around a circle with a fixed radius. Why is the object said to be accelerating though it has a constant speed?
September 21, 2009 by Willie

Physics
Does centripetal force acting on an object in uniform circular motion do work on the object? For work, force must be in the direction of movement. Please stop posting under differing names.
June 18, 2007 by Rob

physics help
A circular-motion addict of mass 70 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 6.5 m/s. (a) What is the period of the motion? s (b) What is the magnitude of the normal force on the addict from the seat when both go through the ...
December 14, 2008 by john

physics
A circular-motion addict of mass 70 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 6.5 m/s. (a) What is the period of the motion? s (b) What is the magnitude of the normal force on the addict from the seat when both go through the ...
December 14, 2008 by help

Physics
A particle is in uniform circular motion about the origin of an xy coordinate system, moving clockwise with a period of 3.50 s. At one instant, its position vector (from the origin) is r = (8.00 m) ihat - (7.00 m) jhat. At that instant, what is its velocity in unit-vector ...
February 4, 2010 by Britney

Physics
A hammer thrower accelerates the hammer (mass = 7.30 kg) from rest within four full turns (revolutions) and releases it at a speed of 21.0 m/s. Assuming a uniform rate of increase in angular velocity and a radius of 0.80 m, calculate the angle of this force with respect to the...
February 2, 2014 by Liam

Physics
A circular-motion addict of mass 85 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 6.1 m/s. (a) What is the period of the motion? __________s (b) What is the magnitude of the normal force on the addict from the seat when both go ...
October 28, 2009 by Kajal

URGENT PHYSICS
A hammer thrower accelerates the hammer (mass = 7.30 kg) from rest within four full turns (revolutions) and releases it at a speed of 21.0 m/s. Assuming a uniform rate of increase in angular velocity and a radius of 0.80 m, calculate the angle of this force with respect to the...
February 2, 2014 by Sam

Physics - Uniform circular motion
If you were swingin a ball on a string around in a circle in a vertical plane, at what point in the path would the string be the most likelt to break? Explain why In what direction would the ball fly when the string broke?
August 21, 2010 by Shaila

Physics
A Ferris wheel with radius 14.0m is tuurning about a horizontal axis through its center. The linear speed of a passenger on the rin is constant and equal to 7.00 m/s. Whatare the magnitude and direction of the passengers acclerations as she passes through a) the lowest point ...
June 8, 2009 by Sarah

Physics
In order for a satellite in free fall to maintain uniform circular motion, ______________. a) there must be a tangential acceleration b) there must be angular acceleration c)there must be a centripetal force d) there must be a circumventing force Its either a or c. Can't ...
November 23, 2012 by Kelvin

Physics
The frequency of circular motion for a charged particle moving around in the presence of a uniform magnetic field does not depend on ... The radius of the circle The mass of the particle The charge of the particle The magnitude of the magnetic field Actually, it depends on all...
March 15, 2010 by mm.

physics
A race car is making a U-turn at constant speed. The coefficient of friction between the tires and the track is μs = 1.0. If the radius of the curve is 40 m, what is the maximum speed at which the car can turn without sliding? Assume that the car is performing uniform ...
March 19, 2011 by HELP!!!!

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
examples of: 1) acceleration against the direction of motion 2) acceleration in direction of motion 3)acceleration is uniform 4)acceleration is non-uniform
June 23, 2012 by JOSHI

Physics
The frequency of circular motion for a charged particle moving around in the presence of a uniform magnetic field does not depend on ... a)The radius of the circle b)The mass of the particle c) The charge of the particle d) The magnitude of the magnetic field e) Actually, it ...
March 13, 2010 by Johnny

Physics
A car is traveling over the top of a hill, which we will model to be a piece of a circular arc of radius R. For each case below, draw careful to-scale motion maps and use them to construct the velocity vectors at the following three points: the top of the hill; equal time ...
September 19, 2009 by Sonya

Physics
A bicyclist is riding at a tangential speed of 13.9 m/s around a circular track with a radius of 38.4 m. If the magnitude of the force that maintains the bikeís circular motion is 378 N, what is the combined mass of the bicycle and rider? Answer in units of kg
January 29, 2013 by Jacky

Physics
A bicyclist is riding at a tangential speed of 13.2 m/s around a circular track with a radius of 36.5 m. If the magnitude of the force that maintains the bikeís circular motion is 378 N, what is the combined mass of the bicycle and rider? Answer in units of kg
January 29, 2013 by Joselyn

Physics
A bicyclist is riding at a tangential speed of 13.9 m/s around a circular track with a radius of 38.4 m. If the magnitude of the force that maintains the bikeís circular motion is 378 N, what is the combined mass of the bicycle and rider? Answer in units of kg
February 4, 2013 by Maggie A.

Physics
A bicyclist is riding at a tangential speed of 13.9 m/s around a circular track with a radius of 38.4 m. If the magnitude of the force that maintains the bikeís circular motion is 378 N, what is the combined mass of the bicycle and rider? Answer in units of kg
February 4, 2013 by Maggie A.

Physics
If centripetal force on an object in uniform circular motion is increased what is the effect on frequency of rotation if radius is constant. What is the effect on frequency and radius if both are free to vary. If veloicty increases, period is decreased, so frequency is increased.
June 18, 2007 by Steve

math
An object with mass m is attached to a string and the other end of the string is attached to a peg at the center of a level table. The object is set into uniform circular motion around the peg. The radius of the motion remains constant (the string does NOT wind up on the peg...
August 7, 2013 by john

Physics 1
A ball starts from rest and rolls down a hill with uniform acceleration, traveling 150 m during the second 5.0 s of its motion. How far did it roll during the first 5.0 s of motion?
January 24, 2013 by Heather

physics
A Ferris wheel with radius 14.0 m is turning about a horizontal axis through its center as shown in the figure. The linear speed of a passenger on the rim is constant and equal to 7.0 m/s. What are the magnitude and direction of the passenger's acceleration as she passes ...
November 6, 2010 by meera

SCIENCE
a force of 70N keeps a 70-kg pilot in circular motion if he is flying a small plane at 35 m/s in circular path, what is the radius of the circular path?
July 5, 2014 by ace ponce

Physics
A 0.525 ball starts from rest and rolls down a hill with uniform acceleration, traveling 154 during the second 10.0 of its motion. How far did it roll during the first 4.00 of motion?
September 10, 2006 by JC

physics
A purse at radius 1.70 m and a wallet at radius 2.50 m travel in uniform circular motion on the floor of a merry-go-round as the ride turns. They are on the same radial line. At one instant, the acceleration of the purse is (1.90 m/s2) + (3.00 m/s2). At that instant and in ...
September 9, 2011 by Alysha

Physics
A car of mass = 1200 traveling at 60.0 enters a banked turn covered with ice. The road is banked at an angle , and there is no friction between the road and the car's tires.What is the radius of the turn if = 20.0 (assuming the car continues in uniform circular motion around ...
April 6, 2011 by Brooke

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

Physics
Calculate the kinetic energy that the earth has because of (a) its rotation about its own axis and (b) its motion around the sun. Assume that the earth is a uniform sphere and that its path around the sun is circular. For comparison, the total energy used in the United States ...
January 29, 2013 by Bob

Physics
Calculate the kinetic energy that the earth has because of (a) its rotation about its own axis and (b) its motion around the sun. Assume that the earth is a uniform sphere and that its path around the sun is circular. For comparison, the total energy used in the United States ...
January 29, 2013 by Cat

Physics
Calculate the kinetic energy that the earth has because of (a) its rotation about its own axis and (b) its motion around the sun. Assume that the earth is a uniform sphere and that its path around the sun is circular. For comparison, the total energy used in the United States ...
January 30, 2013 by Ashley

Physics
A 45-t electric train accelerates uniformly from a station with the trainís motion depicted in the graph in Figure 2.(Recall that 1 t = 1.0 ◊ 103 kg.)Determine the net force acting on the train during the uniform acceleration portion of the motion.
June 14, 2014 by Han

physics
A ball starts from rest and rolls down a hill with uniform acceleration, traveling 170 m during the second 5.5 s of its motion. How far did it roll during the first 5.5 s of motion? Express your answer using two significant figures. x= m
March 5, 2012 by aisha

Physics
If you were in a smooth-riding train with no windows, could you sense the difference between uniform motion and rest? Between accelerated motion and rest? How could you make such a distinction with a bowl filled with water?
April 30, 2008 by Tiffany

Physics *(URGENT)
Use a sentence to describe how the spacing of the dots for the accelerated motion is different from the spacing of the dots you would expect for uniform motion. In accelerated motion the dots are spaced further apart as the time increases. Would my answer be correct? If not ...
March 29, 2010 by John

physics
A newly-discovered plant, "Cosmo", has a mass that is 4 times the mass of the Earth. The radius of the Earth is Re. The gravitational field strength at the surface of Cosmo is equal to that at the surface of the Earth if the radius of Cosmo is equal to... I guess I need some ...
January 19, 2008 by Hannah

physics
A circular plate of uniform thickness has a diameter of 56cm.A circular portion of diameter 42cm is removed from one edge of the plate .find the position of the center of mass of the remaining portion.
October 13, 2012 by sony

physics
A spherical shell of uniform charge density σ has a circular hole cut out of it. What is the Electric Field at a radius just outside the sphere, directly over the center of the circular, cut-out hole?
October 23, 2013 by manu

Physics
What is the speed of an object in circular motion called?
May 24, 2010 by James

Physics Stuff
Hi, everyone who is going to read this, thank you for trying to help me, this really means a lot to me, you are saving my behind! Ok, so here it goes: I was wondering if this information is correct; please tell me if it is not A Ferris wheel is a vertical wheel...it undergoes ...
October 28, 2007 by Serena

physics
A Ferris wheel with radius 14.0 m is turning about a horizontal axis through its center, as shown in the figure below. The linear speed of a passenger on the rim is constant and equal to 6.00 m/s. A.What is the magnitude of the passenger's acceleration as she passes through ...
February 2, 2011 by mely

physics
A Ferris wheel with radius 14.0 m is turning about a horizontal axis through its center, as shown in the figure below. The linear speed of a passenger on the rim is constant and equal to 6.00 m/s. A.What is the magnitude of the passenger's acceleration as she passes through ...
February 2, 2011 by andrea

physics.. important stuff !
i still do not understand?? can someone please help me out??? (a) why is the centripetal force neede to keep a body moving in a circular path? (b) In what direction does a centripetal force accelerate the body on whic it acts?? (c) Upon what threee factors does the centripetal...
January 15, 2007 by maria

physics
A car of mass M = 800kg traveling at 40.0km/hour enters a banked turn covered with ice. The road is banked at an angle θ, and there is no friction between the road and the car's tires. (Figure 1) . Use g = 9.80m/s2 throughout this problem. Part A What is the radius r of ...
October 15, 2013 by Lidia

physics
A 3 kg mass attached to a string 6 m long is to be swung in a circular at a constant speed making one complete revolution in 1.25 s. Determine the value that the breaking strain that the string must not exceed if the string is not to break when the circular motion is in (a) a ...
March 15, 2014 by waslat

physics
when an object is rotating in a circle and the only force is acting on it is friction how is force of friction vector pointing towards the circle because an object in circular motion is traveling in that direction, it's accelerating towards the center of the circle, but ...
October 12, 2009 by Physics

uniform motion science
How would you set up the following unifor motion problem... How long will it take the plane to fly 1000 km (i mile=1.61 km) if it is traveling at a constant velocity of 80 km/hr.
April 10, 2011 by Jack

physics
An electron and a proton move in circular orbits in a plane perpendicular to a uniform magnetic field. Find the ratio of the radii of their circular orbits when the electron and proton have A. the same momentum B. the same kinetic energy
February 15, 2013 by stoic-rider77

physics
Assume that the earth is a uniform sphere and that its path around the sun is circular. (a) Calculate the kinetic energy that the earth has because of its rotation about its own axis. For comparison, the total energy used in the United States in one year is about 9.33 109 J. (...
March 10, 2011 by Taylor

Physics
Assume that the earth is a uniform sphere and that its path around the sun is circular. a) Calculate the kinetic energy that the earth has because of its rotation about its own axis. For comparison, the total energy used in the United States in one year is about 9.33 109 J. b)...
November 22, 2011 by Anne

Physics
A flat uniform circular disk (radius = 2.10 m, mass = 1.00 102 kg) is initially stationary. The disk is free to rotate in the horizontal plane about a frictionless axis perpendicular to the center of the disk. A 40.0-kg person, standing 1.00 m from the axis, begins to run on ...
November 4, 2010 by Kevin

Physics
When dealing with circular motion; a string with the length of .4m is being spun horizontally, is the radius .2m?
November 8, 2012 by Troubled

math
A sprinkler has a range of 11m and rotates with a circular motion. If the sprinkler covers the entire circular area, how many square meters does it cover?
August 28, 2010 by Anonymous

science please check my answer
A mass is moving in uniform circular motion under the effects of a centripetal force. If the force is doubled and the radius is cut in half, by what factor will the speed change? It will double. <---- It will be cut in half. It will not change. It will quadruple. It will be...
January 10, 2014 by unknown

college math
A sprinkler has a range of 11m and rotates with a circular motion. If the sprinkler covers the entire circular area, how many square meters does it cover?
August 30, 2010 by Anonymous

Physics
A spring has a force constant of 478 N/m and an unstretched length of 9 cm. one end is attached to a post that is free to rotate in the center of a smooth table. the other end is attached to a 4kg disc moving in uniform circular motion on the table, which stretches the spring ...
November 13, 2009 by bubba

physics
How do the acceleration vectors differ on opposite sides of the path for un iform circular motion? How are they the same?
October 13, 2009 by Amanda

PHYSICS I NEED HELP
Consider free protons following a circular path in a uniform magnetic field with a radius of 1 meter. At t = 0, the magnitude of the uniform magnetic field begins to increase at 0.001 Tesla/second. Enter the tangential acceleration of the protons in meters/second^2: positive ...
December 11, 2013 by Aaka

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