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December 20, 2014

Search: m-radius Ferris wheel rotates once each 32 s angular speed

Number of results: 32,085

Physics
A centrifuge in a medical laboratory rotates at an angular speed of 3500 rpm (revolutions per minute). When switched off, it rotates 70.0 times before coming to rest. Find the constant angular acceleration of the centrifuge. (Assume the initial direction of rotation is the ...
October 14, 2010 by Gina

Physics
A Ferris Wheel with a radius of 15 meter makes one complete rotation every 10 seconds.
March 4, 2012 by Mina

physics
Each of the following objects has a radius of 0.180 m and a mass of 2.65 kg, and each rotates about an axis through its center (as in the table below) with an angular speed of 41.4 rad/s. Find the magnitude of the angular momentum of each object. a) a hoop ___ kg m/s b) a ...
December 15, 2012 by anonymous

physics
Each of the following objects has a radius of 0.180 m and a mass of 2.65 kg, and each rotates about an axis through its center (as in the table below) with an angular speed of 41.4 rad/s. Find the magnitude of the angular momentum of each object. a) a hoop ___ kg m/s b) a ...
December 15, 2012 by anonymous

Dynamics
A pelton wheel attains its operating speed of 800 rev/min within 2s after it is turn on. Determine the constant angular accelerations of pelton wheel. also find the total number of revolutions the wheel makes before it attains operating speed
July 31, 2012 by Dhilsath

physics
A high-speed sander has a disk 8.00 cm in radius that rotates about its axis at a constant rate of 1100 revolutions per minute. Determine the angular speed of the disk in radians per second.
March 7, 2012 by Joe

Physics
a bicycle turned upside down whiles owner repairs a flat tire. A friend spins the other wheel, of radius R, and observed that drops of water fly off tangentially. She measures the height reached by drops vertically. A drop that breaks loose from the tire on one turn rises a ...
October 19, 2010 by Anonymous

math
The Earth rotates once every 24 hours. What is the angular speed of a point on the Earth's surface in rad/min. Give your answer to five decimal places. Use 3.14 for pi. (example units: m/s, mi/h)
May 19, 2012 by Jill

physics
questions( there are 3 so I will # 1-3) info: A 18.9 kg object is attached to a cord that is wrapped around a wheel of radius 10.7 cm. The acceleration of the object down the frictionless incline is measured to be .9 m/s2. Assume the axle of the wheel to be frictionless. The ...
March 24, 2008 by Ty

Math
If a Ferris wheel has a 64 m radius and the center ot the wheel is 84 m above the ground, what is the height of a carriage above the ground starting from 0 degrees to 360 degrees?
April 21, 2013 by Natalie

Physics
The angular velocity of a wheel is given by w(t) = (2.00 rad/s^2)t + (1.00 rad/s^4)t^3. A. What is the angular displacement of the wheel from time t=0.00s to time t=T? B.What is the angular acceleration of the wheel as a function of time?
November 23, 2014 by Larry

Physics
The angular velocity of a wheel is given by w(t) = (2.00 rad/s^2)t + (1.00 rad/s^4)t^3. A. What is the angular displacement of the wheel from time t=0.00s to time t=T? B.What is the angular acceleration of the wheel as a function of time?
November 23, 2014 by Larry

physics
A large wooden wheel of radius R and the moment of inertia I is mounted on an axle so as to rotate freely. A bullet of mass m and speed v is shot tangential to the wheel and strike its edge, lodging in the wheel’s rim. If the wheel was originally at rest, what is its rotation ...
December 4, 2010 by Gee

College Physics
A wheel of radius 0.398 m is mounted on a frictionless horizontal axis. The rotational inertia of the wheel about the axis is 0.0576 kg·m2. A massless cord wrapped around the wheel is attached to a 0.790 kg block that slides on a horizontal frictionless surface. If a ...
July 6, 2012 by Stephanie

Angular acceleration
Appreciate if someone can advise on how to calculate the following: A hoist lifts a 3.5kg load from rest, and has a final velocity of 2 m/s after 4 seconds. The motor can develop a torque of 4 Nm. Determine: i) The linear acceleration of the mass. ii) The angular acceleration ...
March 24, 2007 by BIGEYE

physics
A toy train track is mounted on a large wheel that is free to turn with negligible friction about a vertical axis (see the figure). A toy train of mass m = 2.5 kg is placed on the track and, with the system initially at rest, the electrical power is turned on. The train ...
November 9, 2009 by Emily

Math
The rim of the London Eye (a 135m diameter ferris wheel) moves 26 cm/sec, slow enough for passengers to safely get on the wheel from the platform (2 meters above ground level) without stopping the wheel at the bottom of its rotation. What's the height at the bottom of the ...
December 10, 2012 by anna

Physics
Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 6.00 s, it rotates 28.0 rad. During that time, what are the magnitudes of (a) the angular acceleration and (b) the average angular velocity? (c) What is the instantaneous angular ...
November 25, 2011 by S.Jacob

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
The flywheel of an engine has a moment of inertia of 24 kg*m^2. a) if the radius of the wheel is 0.6m, what force is required to accelerate the wheel from rest to an angular velocity of 300 rpm in 6 seconds? b) how many turns does it make during this time?
December 12, 2012 by Natasha

physics
The flywheel of an engine has a moment of inertia of 24 kg*m^2. a) if the radius of the wheel is 0.6m, what force is required to accelerate the wheel from rest to an angular velocity of 300 rpm in 6 seconds? b) how many turns does it make during this time?
December 12, 2012 by Natasha

Physics
A Ferris wheel has a radius of 14 m. What period of rotation would give the occupants a feeling of "weightlessness" at the top? __s
March 4, 2012 by Sam

Physics
At t = 0, a wheel rotating about a fixed axis at a constant angular deceleration of 0.37 rad/s2 has an angular velocity of 0.5 rad/s and an angular position of 8.5 rad. What is the angular position of the wheel after 2 s? Answer in units of rad
March 5, 2013 by dallas

physics 2...help please
A wheel on a game show is given an initial angular speed of 1.33 rad/s. It comes to rest after rotating through 3/4 of a turn. (a) Find the average torque exerted on the wheel given that it is a disk of radius 0.76 m and mass 6.4 kg. ? N·m sorry, I'm having converting issues...
October 22, 2008 by kelsey

Physics
A wheel with rotational inertia I is mounted on a fixed, fricitonless axle. The angular speed w of the wheel is inccreased from zero to w_f in a time interval T. 1: What is the average net torque on the wheel during the time interval, T? a) w_f/T b)w_f/T^2 c) Iw_f^2/T d)Iw_f/T...
March 25, 2007 by Tammy

Physics
A 0.58- kg flashlight is swung at the end of a string in a horizontal circle of 0.85- m radius with a constant angular speed. If no torque is applied, what must the radius become if the angular speed of the flashlight is to be halved?
November 18, 2009 by kate

Physics
A point on the rim of a 0.75 m diameter grinding wheel changes speed at a constant rate from 15 m/s to 21 m/s in 6.2 s. What is the average angular acceleration of the wheel in rad/s^2?
February 24, 2011 by Britney

Maths
I have a trig question regarding a ferris wheel, radius 35m, axles 37m, clockwise direction, rotates twice every 10 mins. I have calculated the following function: h = -35cos(2pi*X/5)+37 I have calculated at what height I would be after 3 minutes by substituting X=3 in the ...
October 13, 2009 by Melody

Physics Really Need Help Please
At time t=0 a grinding wheel has an angular velocity of 26.0 rad/s. It has a constant angular acceleration of 25.0 rad/s^2 until a circuit breaker trips at time t = 2.50 s. From then on, the wheel turns through an angle of 440 rad as it coasts to a stop at constant angular ...
November 7, 2008 by Samantha

physics
A wheel is roatating freely at an angular speed of 800 rev/min on a Shaft of negligible moment of inertia. A second wheel initially at rest and with twice the moment of inertia of the first, is suddenly coupled to the same shaft. (a) what is the angular speed of the resultant...
December 3, 2010 by kwaku

physics
A wheel is roatating freely at an angular speed of 800 rev/min on a shaft of negligible moment of inertia. A second wheel initially at rest and with twice the moment of inertia of the first, is suddenly coupled to the same shaft. (a) what is the angular speed of the resultant...
December 5, 2010 by Ama

Physics
A wheel is rotating freely with an angular speed of 4840rad/s on a shaft whose moment of inertia is negligible. A second wheel, initially at rest and with 8 times the rotational inertia of the first is suddenly coupled to the same shaft. a) What is the angular speed of the ...
November 4, 2014 by Misaki

physics
A bicycle is turned upside down while its owner repairs a flat tire. A friend spins the other wheel, of radius 0.363 m, and observes that drops of water fly off tangentially. She measures the height reached by drops moving vertically (Fig. P10.63). A drop that breaks loose ...
June 27, 2014 by Weiyi

physics
A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. At one time it is rotating at 7.8 rad/s; 60 radians later, its angular speed is 19 rad/s. Calculate (a) the angular acceleration (rad/s2), (b) the time required to ...
November 13, 2013 by kristy

Physics
A student on a piano stool rotates freely with an angular speed of 2.95 rad/s . The student holds a 1.35 kg mass in each outstretched arm, 0.739 m from the axis of rotation. The combined moment of inertia of the student and the stool, ignoring the two masses, is 5.13 kg m^2, a...
March 18, 2011 by marie

physics
3- An electric motor can accelerate a Ferris wheel of moment of inertia (I =20 000 kg.m2) from rest to (10.0 rev/min) in (12.0 s). When the motor is turned off, friction causes the wheel to slow down from (10.0 to 8.00 rev/min) in (10.0 s). Determine (a) the torque generated ...
March 16, 2013 by a

physics
The drive propeller of a ship starts from rest and accelerates at 3.00 10-3 rad/s2 for 2.05 103 s. For the next 1.75 103 s the propeller rotates at a constant angular speed. Then it decelerates at 2.30 10-3 rad/s2 until it slows (without reversing direction) to an angular ...
November 10, 2011 by Marco

physics help
An automobile tire has a radius of 0.280 m, and its center moves forward with a linear speed of v = 18.0 m/s. (a) Determine the angular speed of the wheel. (Assume that there is no slipping of the surfaces in contact during the rolling motion.) rad/s (b) Relative to the axle, ...
November 27, 2010 by john

physics
A skater rotates 760 degrees clockwise, stops, and rotates counterclockwise for 340 degrees. What is her angular distance? Angular displacement?
February 25, 2013 by Mark

Physics
A skater rotates 880 degrees clockwise, stops, and rotates counterclockwise for 340 degrees. What is her angular distance? Angular displacement?
August 6, 2013 by Kc

Maths
Bill and Steve decide to spend the afternoon at an amusement park enjoying their favorite activities, the water slide and the gigantic Ferris wheels. Their tickets are stamped each time they slide or ride. At the end of the afternoon they have the following tickets: (Bill's ...
March 25, 2013 by Jeconiah

physics
A rotating wheel requires 5.00 s to rotate 30.0 revolutions. Its angular velocity at the end of the 5.00 s interval is 100.0 rad/s. What is the constant angular acceleration of the wheel?
July 6, 2008 by Elisa

physics
A machine part rotates at an angular speed of 0.38 rad/s; its speed is then increased to 3.46 rad/s using an angular acceleration of 0.61 rad/s2. Find the angle through which the part ro- tates before reaching this final speed. Answer in units of rad
October 21, 2011 by phys101

Physics
A 70.50 kg man rides a Ferris wheel with a radius of 10.3 m at a velocity of 5.00 m/s. What is the centripetal force that she experiences expressed with the correct number of significant figures?
January 8, 2012 by Pat

Math
A ferris wheel has a diameter of 10 m and takes 24 sec to make one revolution. The lowest point on the wheel is 1 m above the ground. (4 marks) a. Sketch a graph to show how a rider's height above the ground varies with time as the ferris wheel makes a rotation. Assume the ...
July 23, 2014 by Madi

physics-distance
Here's a stationary bike. If you pedal such that the front wheel rotates at 6.9 rad/s, and that wheel's radius is half a meter, how far would you have gone in 35 minutes, if the bike where a non-stationary bike? (Assume a constant speed of rotation) I am not sure where to ...
November 4, 2014 by Chris

Physics
A solid cylinder of mass 20 kg rotates about its axis with angular speed of 100 rad/sec. the radius of the cylinder is 0.25m. what is the kinetic energy of the cylinder?
December 5, 2014 by Devnet

Dynamics
a flywheel has an angular speed of 1200rev/min when its motor is turned off.the wheel attains constant decelerations of 1.5rad/s2 due to friction in its bearing.determine the time required for the wheel to come to rest and the numer of revolutions the wheel makes before it ...
August 1, 2012 by sanjeev kumar

Physics 1 (Calc Based)
At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration of –0.40 rad/s^2 has an angular velocity of 1.5 rad/s and an angular position of 2.3 rad. What is the angular position of the wheel at t = 2.0 s? Ans: Theta final=4.5 rad How do you solve step by ...
March 31, 2010 by Jared

Physics
A person on a rotating stool with arms stretched out rotates at an angular speed of 5.00 rad/s. On bringing in his arms, the angular speed increases to 7.50 rad/s. By what factor does the moment of inertia change?
November 4, 2013 by Mikhail

calculus
2. A spin balancer rotates the wheel of the car at 480 revolutions per min. if the diameter of the wheel is 26 in what road speed is being tested in the miles per hour? Round to the nearest tenth
April 30, 2012 by Nolan

physics
Starting from rest at t = 0 s, a wheel undergoes a constant angular acceleration. When t = 1.6 s, the angular velocity of the wheel is 5.5 rad/s. The acceleration continues until t = 17 s, when the acceleration abruptly changes to 0 rad/s2. Through what angle does the wheel ...
March 5, 2012 by Katie

physics
Starting from rest at t = 0 s, a wheel undergoes a constant angular acceleration. When t = 1.6 s, the angular velocity of the wheel is 5.5 rad/s. The acceleration continues until t = 17 s, when the acceleration abruptly changes to 0 rad/s2. Through what angle does the wheel ...
March 11, 2012 by Katie

Trigonometry
A car with wheel of radius 14 inches is moving in a speed of 55 mph.Find the angular speed of the wheel in radian per sec. your car is moving at 55 mph, which is 55*5280*12 inches/3600 seconds or 968 inches/second. each rotation of the wheel covers 2*14*pi inches. so the ...
July 3, 2007 by James

Physics
A wheel is rolling ithout slipping at 487 meters per second to the right on a level surface. the diameter of the wheel is 100 centimeters. What is the angular speed of the wheel in revolutions per minute? Please walk me through your steps, don't just suggest a formula. Thank ...
June 11, 2012 by Jen

Dynamics
A flywheel has an angular speed of 1200 rev/min when its motor is turned off. The wheel attains constant decelerations of 1.5 rad/s2 due to friction in its bearing. Determine the time required for the wheel to come to rest and the number of revolutions the wheel makes before ...
July 30, 2012 by Rajan

physics
I need help with solving these word problems. Marion rides her racing bicycle @ speed of 8 m/s. Bicycle wheels have a radius of 34 cm. What is the angular speed of wheels? How many times does each wheel go around during a 10-min race? A car tire has radius of 33cm. Tire turns ...
December 1, 2008 by physics

Physics
I need help with solving these word problems. Marion rides her racing bicycle @ speed of 8 m/s. Bicycle wheels have a radius of 34 cm. What is the angular speed of wheels? How many times does each wheel go around during a 10-min race? A car tire has radius of 33cm. Tire turns...
December 1, 2008 by physics

Physics
A potter’s wheel with rotational inertia of 45 kg m2, is spinning freely at 40 rpm. The potter drops a lump of clay onto the wheel where it sticks a distance 1.2 m from the rotational axis at the wheel’s center. If the subsequent angular speed of the wheel is 32 rpm, what is ...
June 29, 2009 by Sarah

physics
a wheel of radius R rotates making f revolutions per second. the quantity f is know as the frecuency of the motion. show tha 1/f is the time to complete one revolution, called the period T of the motion. show that the centripetal acceleration of a point at the rim of the wheel...
November 8, 2010 by katy

physics help!!
a wheel of radius R rotates making f revolutions per second. the quantity f is know as the frecuency of the motion. show tha 1/f is the time to complete one revolution, called the period T of the motion. show that the centripetal acceleration of a point at the rim of the wheel...
November 8, 2010 by katy

physics
A person is riding a bicycle, the wheels of a bicycle have an angular velocity of +20.5 rad/s. Then, the brakes are applied. In coming to rest, each wheel makes an angular displacement of +12.0 revolutions. (a) How much time does it take for the bike to come to rest? (b) What ...
November 10, 2010 by sean

physics
A person is riding a bicycle, the wheels of a bicycle have an angular velocity of +24.0 rad/s. Then, the brakes are applied. In coming to rest, each wheel makes an angular displacement of +16.0 revolutions. (a) How much time does it take for the bike to come to rest? s (b) ...
November 17, 2011 by Taylor

Pre-Cal
A Ferris wheel is 50 meters in diameter and boarded from a platform that is 5 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel completes one full revolution every 9 minutes. You make two complete revolutions on...
February 14, 2014 by Alanas

Pre Calculus 12
Modelling with sine/cosine A Ferris wheel has a diameter of 30m. The bottom of the wheel is 1.5m off the ground it takes 3.5min to make one complete revolution. a person gets on ferris wheel at its lowest point at time = 0. write an equation that represents persons height ...
January 23, 2013 by Shreya

math
a car's wheel turns at 200 rpm. the radius of each wheel is 1.3 ft. to the nearest radian per minute, what is the angular velocity of a point: on the tire thread? on the hubcap .4ft from the center? right at the center?
March 26, 2012 by michaela c

trig
Given the radius of a wheel is 12inches and the angular speed is measured to be 3pie/4 radiant per second, find the linear speed of the piece of gum stuck to the where. Give both an exact answer. And a decimal answer rounded to 4 decimal places.
September 17, 2011 by ALISON

physics
Search: A person is riding a bicycle, the wheels of a bicycle have an angular velocity of +18.0 rad/s. Then, the brakes are applied. In coming to rest, each wheel makes an angular displacement of +11.0 revolutions. How much time does it take for the bike to come to rest? What ...
February 25, 2011 by Taylor

Physics
A flywheel of a radius .5 m starts from rest and under goes a uniform angular acceleration of 3 rad/sec2 for a period of 5 seconds. Find the angular velocity of the flywheel at the end of this time? Find the angular displacement (in radians) that the wheel turns through during...
May 9, 2012 by Mary

Precalculus
A wheel rolling at a constant speed has a radius of 15 inches and takes 30 seconds to roll 100 feet along the ground. What is its angular velocity? Use 3.14 for pie, and solve to two decimal places.
February 22, 2012 by Liz

physics
ssm A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. The string rotates at an angular speed of 56 rev/s, and its tip has a tangential speed of 60 m/s. What is the ...
November 3, 2010 by Anonymous

Physics/Calculus
At a county fair, a boy and two friends bring their teddy bears on the giant Ferris wheel. The wheel has a diameter of 14.8 m, the bottom of the wheel is 1.8 m above the ground and its rim is moving at a speed of 1.0 m/s. The boys are seated in positions 45° from each other. ...
October 14, 2010 by Donny

differential calculus
a ferris wheel 15m in diameter makes 1 revolution every 2 minutes. If the center of the wheel is 9m above the ground, how fast is the passenger in the wheel moving vertically when he is 12.5m above the ground?
August 8, 2011 by Adler

Physics
I am having trouble with the last portion of this question. If someone can help me, I would sincerely appreciate it. A bicycle wheel has a radius R = 32.0 cm and a mass M = 1.82 kg which you may assume to be concentrated on the outside radius. A resistive force f = 147 N (due ...
July 7, 2011 by Matt

physics
a car has wheel of 30cm radius. it starts from rest and accelerates uniformly to a speed of 15 m/s in a time of 8s. find the angular acceleration of its wheels and the number of rotations one makes in this time.
August 8, 2013 by Anonymous

physics
If the CD rotates clockwise (let's take clockwise rotation as positive) at 500 (revolutions per minute) while the last song is playing, and then spins down to zero angular speed in 2.60 with constant angular acceleration, what is , the angular acceleration of the CD, as it ...
October 24, 2012 by Anonymous

Dynamics
A pelton wheel attains its operating speed of 800 rev/min% determine constant angular acceleration of pelton wheel
July 30, 2012 by benny

Physics
A boy sits on a ferris wheel. how much work is done on him by gravitional forces when the wheel makes one complete turn? Explain.
November 14, 2010 by Anonymous

physics
A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. At one time it is rotating at 7 rev/s. 55 revolutions later, its angular speed is 21 rev/s. (a) Calculate the angular acceleration. (b) Calculate the time required to ...
March 11, 2007 by winterWX

physics
A person is riding a bicycle, and its wheels have an angular velocity of +15.5 rad/s. Then, the brakes are applied and the bike is brought to a uniform stop. During braking, the angular displacement of each wheel is +15.5 revolutions. (a) How much time does it take for the ...
November 3, 2010 by james

Physics
A 22.8 kg turntable with a radius of 47 cm is covered with a uniform layer of dry ice that has a mass of 4.08 kg. The angular speed of the turntable and dry ice is initially 0.52 rad/s, but it increases as the dry ice evaporates. What is the angular speed of the turntable once...
April 14, 2008 by Christina

physics
Consider an old-fashion bicycle with a small wheel of radius 0.15 m and a large wheel of radius 0.8 m. Suppose the rider starts at rest, accelerates with a constant acceleration for 2 minutes to a velocity of magnitude 12 m/s. He maintains this velocity for 14 mintues and ...
November 14, 2012 by Captain Jack

Physics
A person is riding a bicycle, the wheels of a bicycle have an angular velocity of +18.5 rad/s. Then, the brakes are applied. In coming to rest, each wheel makes an angular displacement of +14.5 revolutions. (a) How much time does it take for the bike to come to rest? 1 s (b) ...
February 22, 2011 by Lauren

Physics
Our sun rotates in a circular orbit about the center of the Milky Way galaxy. The radius of the orbit is 2.2 1020 m, and the angular speed of the sun is 1.2 10-15 rad/s. (a) What is the tangential speed of the sun? m/s (b) How long (in years) does it take for the sun to make ...
March 6, 2008 by John

science , physics
A person is riding a bicycle, and its wheels have an angular velocity of +15.5 rad/s. Then, the brakes are applied and the bike is brought to a uniform stop. During braking, the angular displacement of each wheel is +15.5 revolutions. (a) How much time does it take for the ...
November 3, 2010 by Anonymous

differetial calculus-related rates
LINEAR VS ANGULAR SPEED A wheel of a radius 30 centimeters revolves at a rate of 10 revolutions per second.A dot is painted at a point P on the rim of the wheel. a)find dx/dt as a function of ϴ. b)use a graphing utility to graph a function in part (a) c)when is the ...
September 16, 2014 by =)

Math
I have another question I am stuck on that follows a previous question. How do I get an equation for the height of the car on the ferris wheel over a 10 minute period if we start the analysis one minute into the ride. Can I still use the original formula h = -35cos(2pi*X/5)+37...
October 15, 2009 by Melody

math
The radius of each wheel of a car is 16 inches. At how many revolutions per minute should a spin balancer be set to balance the tires at a speed of 90 miles per hour? What is the setting for a wheel of radius 14 inches?
March 30, 2010 by Alex

Physics
A car starts from rest and accelerates at a constant rate of 1.1 m/s2. If the radius of the car wheels is 29 cm, and the final angular speed of the car wheel is 48 rad/s, how far does the car travel
October 18, 2010 by Sufian Syed

Physics
A 0.25 mass is located on the outer edge of a wheel of radius 0.75 m that is turning at a rate of 2 revs/s. Determine the following: 1) The period of the mass 2) The angular speed of the mass in rad/s c) The tangential speed of the mass d) The centripetal acceleration of the ...
December 13, 2009 by Monika

Physic Angular momentum and torque
What is the angular momentum of a 1.0kg uniform cylindrical grinding wheel of radius 19cm when rotating at 1700rpm ?How much torque is required to stop it in 4.6s ?
March 29, 2014 by David

calculus
A Ferris wheel with a radius of 13 m is rotating at a rate of one revolution every 2 minutes. How fast is a rider rising when the rider is 18 m above ground level?
November 3, 2013 by Anonymous

calculus
A Ferris wheel with a radius of 13 m is rotating at a rate of one revolution every 2 minutes. How fast is a rider rising when the rider is 25 m above ground level?
November 6, 2013 by Rabb

Maths
if there is a cylindrical ride (radius r) and when it rotates the person feels pinned tot he wall and then the floor drops away. how would i start to find the equation of the angular speed needed to keep the person against the wall????
October 22, 2011 by Sarah

physics
After fixing a flat tire on a bicycle you give the wheel a spin. (a) If its initial angular speed was 5.41 rad/s and it rotated 13.7 revolutions before coming to rest, what was its average angular acceleration?
November 5, 2010 by aok

physics, bike
After fixing a flat tire on a bicycle you give the wheel a spin. Its initial angular speed was 6.50 and it rotated 15.2 revolutions before coming to rest.What was its average angular acceleration?
January 13, 2011 by john

Physics
As seen from above, a playground carousel is rotating counterclockwise about its center on frictionless bearings. A person standing still on the ground grabs onto one of the bars on the carousel very close to its outer edge and climbs aboard. Thus, this person begins with an ...
November 3, 2012 by Sam

About previous Physics post/answer from Bobpursely
So do you mean to say....Ferris wheels use motors, therefore meaning that electrical energy is present. Electrical energy from the motor is then turned into kinetic energy. Electricity, generated from a switch and wires, travel through the motor which makes a magnetic field. ...
October 29, 2007 by Serena

Math
In one revolution a wheel moves forward a distance equal to its circumference. This is because the wheel Always in contact with the floor. 1)A trundle wheel clicks everytime. What is the radius of the wheel
October 5, 2013 by Bob

Physics
the car has wheels of radius 0.3 m and is travelling at a speed of 36 m/s in a straight line and the wheel now describes 40 revolution while the car is brought to rest; calculate the wheels angular acceleration.
May 30, 2013 by Circular motion

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