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3. An electrical motor spins at 1000 rpm and is slowing down at a rate of...
Help 3 please explain work What is your acceleration while sitting in your chair. The latitude...
Help 3 please explain work
What is your acceleration while sitting in your chair. The latitude of Corvallis is 44.4 degree What is percent difference in the magnitude of your apparent weight due to the rotational motion? How long would a day have to be for the acceleration to be equal in magnitude to 9.8 m/s^2? The wheel in the figure to the right has eight equally spaced spokes and a radius of 30 cm. It is mounted on a...
An electrical motor spins at a constant 2695.0 rpm. If the rotor radius is 7.165 cm,...
An electrical motor spins at a constant 2695.0 rpm. If the rotor radius is 7.165 cm, what is the linear acceleration of the edge of the rotor?
A ball is slowing down as it rolls on grass in a playground. It's angular acceleration...
A ball is slowing down as it rolls on grass in a playground. It's angular acceleration is -1.8rad/s2 and its linear acceleration is -0.045m/s2. a) What is the ball's diameter in centimetres? b) when the ball's speed is 0.14m/s, what is its angular velocity? c) If the ball's initial angular velocity was 9.0 rad/s, how long does it take to come to rest?
1. An electrical motor spins at a constant 1121 rpm. If the armature radius is 4.8...
1. An electrical motor spins at a constant 1121 rpm. If the armature radius is 4.8 cm, what is the acceleration of the edge of the rotor? 7.3 m/s2 72.7 m/s2 66350 m/s2 661.5 m/s2 2. A glass flask has a volume of 700 ml at a temperature of 20° C. The flask contains 697 ml of mercury at an equilibrium temperature of 20°C. The temperature is raised until the mercury reaches the 700 ml reference mark. The coefficients of...
A motor spins up from rest to an angular velocity of 265 rad/s in 3 s....
A motor spins up from rest to an angular velocity of 265 rad/s in 3 s. Treat the motor as a cylinder of mass 3 kg and radius 0.3 meters. Find the rotational work done by the motor after it rotates though 12 revolutions.
When the power is turned off on a turntable spinning at 65.0 rpm , you find...
When the power is turned off on a turntable spinning at 65.0 rpm , you find that it takes 11.3 revolutions for it to stop while slowing down at a uniform rate. What is the angular acceleration (in rad/s2), of this turntable? How long does it take to stop after the power is turned off?
A record on a record player spins at 45.0 rpm. Two small 28.0 g balls of...
A record on a record player spins at 45.0 rpm. Two small 28.0 g balls of clay are dropped on the record and hit it simultaneously, at the edge of the record and at opposite ends from one another. Treat the record as a disk with radius 7.50 cm and mass 465 g, and the clay balls as particles. What is the record's angular velocity just after the clay balls hit it? Give your answer in rad/s.
11. A motor spins a disk (Idisk = 24.2 kg*m2) with a torque of 39 N*m,...
11. A motor spins a disk (Idisk = 24.2 kg*m2) with a torque of 39 N*m, and a 18 N frictional force acts on the disk at a radius of 1.3 m. Attached to the disk at a radius of 1.8 m is a 10 kg mass. What is the magnitude of the angular acceleration in rad/s2 of the system? 12. A 1.4-kg projectile is fired from level ground. The vertical component of the initial velocity is 83 m/s and...
1. The linkage shown is made of two 1.0-meter-long rods. Each rod has a mass of 5 kg. At the instant shown each rod has an angular velocity of -10 rad/s. Gravity acts toward the bottom of the...
1. The linkage shown is made of two 1.0-meter-long rods. Each rod has a mass of 5 kg. At the instant shown each rod has an angular velocity of -10 rad/s. Gravity acts toward the bottom of the page. What's the acceleration of the point where the 500 N force is applied? 500 N A disc of radius 0.3 m spins at a constant rate of 50 rad/s about its axis (directed toward the ottom of the page), while the...
number 2 and 3 please 2. A disk of radius 10.0 cm spins about an axis...
number 2 and 3 please
2. A disk of radius 10.0 cm spins about an axis through its center at a constant 5.0 rad/s. What is the linear velocity, centripetal and tangential accelerations of a point on its rim? linear velocity = centripetal acceleration = tangential acceleration = 3. Under what conditions is the linear momentum of a system conserved? (Do not state when the initial is equal to the final.)
Help 3 please explain work
What is your acceleration while sitting in your chair. The latitude of Corvallis is 44.4 degree What is percent difference in the magnitude of your apparent weight due to the rotational motion? How long would a day have to be for the acceleration to be equal in magnitude to 9.8 m/s^2? The wheel in the figure to the right has eight equally spaced spokes and a radius of 30 cm. It is mounted on a...
1. The linkage shown is made of two 1.0-meter-long rods. Each rod has a mass of 5 kg. At the instant shown each rod has an angular velocity of -10 rad/s. Gravity acts toward the bottom of the page. What's the acceleration of the point where the 500 N force is applied? 500 N A disc of radius 0.3 m spins at a constant rate of 50 rad/s about its axis (directed toward the ottom of the page), while the...
number 2 and 3 please
2. A disk of radius 10.0 cm spins about an axis through its center at a constant 5.0 rad/s. What is the linear velocity, centripetal and tangential accelerations of a point on its rim? linear velocity = centripetal acceleration = tangential acceleration = 3. Under what conditions is the linear momentum of a system conserved? (Do not state when the initial is equal to the final.)
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