A record spins at 1.4 rps. A 12 g piece of dust is sitting on the...
A record spins at 1.4 rps. A 12 g piece of dust is sitting on the record a distance of 8.5 cm from the center. a. What is the dust’s tangential velocity (linear speed)? b. What frictional force must be exerted on the dust, so it doesn’t slip off the record?
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A record spins at 1.4 rps. A 12 g piece of dust is sitting on
the...
6) A massless turntable is used to play records. Each record is essentially a solid cylinder with...
6) A massless turntable is used to play records. Each record is essentially a solid cylinder with a radius of 0.15 m and mass 0.1 kg. There is a constant frictional force of 0.5 N due to a wire rubbing against the record a distance of 0.05 m from the axis of rotation. Answer the following questions assuming that you apply a tangential force on the record with your finger at a distance of 0.1 m from the axis of...
3. A U.S. quarter with a mass of 5.67 grams is sitting on a 12-inch (30.48...
3. A U.S. quarter with a mass of 5.67 grams is sitting on a 12-inch (30.48 cm) diameter vinyl record on an old 78 revolution-per-minute (rpm) record player's turntable. The quarter is half way between the record's center and outer edge and the coefficient of static friction (As) between the quarter and record is 0.35. The record player (aka Victrola) has an old motor and it takes 90 seconds to speed up to 78 rpm from zero rpm. a. How...
A golf ball (50 g) hit by a club is accelerated from rest to 50 m/s...
A golf ball (50 g) hit by a club is accelerated from rest to 50 m/s in 2.50 ms. What are the magnitudes of the impulse delivered to the ball and the average force acting on the ball? Impulse = Average Force = 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...
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...
STAP 5.) A pulley is rotating at an angular velocity of 32 revolutions per minute. The...
STAP 5.) A pulley is rotating at an angular velocity of 32 revolutions per minute. The radius of the pulley is 0.3 m. a.) How what is the angular distance the pulley rotates in 5 sec? b.) What is the linear distance the pulley rotates in 5 sec? c.) If a motor takes 30 sec to speed up the pulley to 82 revolutions per minute, what was the angular acceleration the motor applied? d.) How far will the pulley have...
1. a) A driver is sitting in a truck whose total mass (including driver) is 4500...
1. a) A driver is sitting in a truck whose total mass (including driver) is 4500 kg. In starting from rest, the truck's engine exerts a force through its tires) of 16,200 N. What is the truck's acceleration ? Acceleration The driver's mass is 60 kg. Assuming the driver is firmly attached to her seat, what force must the seal produce to cause her to move with (inside) the truck during this time? Force (driver) 2. a) Two blocks on...
Hint: For this problem, all angle units must be converted to the 'natural' unit for angular...
Hint: For this problem, all angle units must be converted to the 'natural' unit for angular displacement, and without a picture, you won't get far at all. A bike racer speeds up on a horizontal road. The wheel of radius 0.34 m is rotating at a rate of 0.70 revolutions per second at time = 0.0 s. The racer accelerates at a constant rate so that 0.22 seconds later her wheel rotates at 1.10 revolutions per second, after which she...
Winter Work Packet 2018 Th is packet is designed to help you study on kinematics and...
Winter Work Packet 2018 Th is packet is designed to help you study on kinematics and rotational motion during the break. It is requested that you complete this packet if you currently have less than a 65%, but all students are welcome to complete it. This packet will be due the first day of school, I will not accept it any later. I will be available to help with any questions regarding the problems via REMIND on Wednesday the second...
You have two balls. The 300 g ball rolls off the counter landing 2 m out...
You have two balls. The 300 g ball rolls off the counter landing 2 m out from the counter. The 150 g ball rolls off the counter with the identical speed as the first ball. What distance does the second ball land out from the counter? A.<1m B. 1 m C. Between 1 m and 2 m D. 2 m E. Between 2 m and 4 m F. 4 m 4(a). A projectile is launched horizontally from a 73-m-high cliff...
A rocket in outer space has a payload of 5055.6 kg and 1.542 . 105 kg...
A rocket in outer space has a payload of 5055.6 kg and 1.542 . 105 kg of fuel. The rocket can expel propellant at a speed of 5.580 km/s. Assume that the rocket starts from rest, accelerates to its final velocity, and then begins its trip. How long will it take the rocket to travel a distance of 3.82. 103 km (approximately the distance between Earth and Moon)? Question A fire hose 4.54 cm in diameter is capable of spraying...
6) A massless turntable is used to play records. Each record is essentially a solid cylinder with a radius of 0.15 m and mass 0.1 kg. There is a constant frictional force of 0.5 N due to a wire rubbing against the record a distance of 0.05 m from the axis of rotation. Answer the following questions assuming that you apply a tangential force on the record with your finger at a distance of 0.1 m from the axis of...
3. A U.S. quarter with a mass of 5.67 grams is sitting on a 12-inch (30.48 cm) diameter vinyl record on an old 78 revolution-per-minute (rpm) record player's turntable. The quarter is half way between the record's center and outer edge and the coefficient of static friction (As) between the quarter and record is 0.35. The record player (aka Victrola) has an old motor and it takes 90 seconds to speed up to 78 rpm from zero rpm. a. How...
A golf ball (50 g) hit by a club is accelerated from rest to 50 m/s in 2.50 ms. What are the magnitudes of the impulse delivered to the ball and the average force acting on the ball? Impulse = Average Force = 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...
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...
STAP 5.) A pulley is rotating at an angular velocity of 32 revolutions per minute. The radius of the pulley is 0.3 m. a.) How what is the angular distance the pulley rotates in 5 sec? b.) What is the linear distance the pulley rotates in 5 sec? c.) If a motor takes 30 sec to speed up the pulley to 82 revolutions per minute, what was the angular acceleration the motor applied? d.) How far will the pulley have...
1. a) A driver is sitting in a truck whose total mass (including driver) is 4500 kg. In starting from rest, the truck's engine exerts a force through its tires) of 16,200 N. What is the truck's acceleration ? Acceleration The driver's mass is 60 kg. Assuming the driver is firmly attached to her seat, what force must the seal produce to cause her to move with (inside) the truck during this time? Force (driver) 2. a) Two blocks on...
Winter Work Packet 2018 Th is packet is designed to help you study on kinematics and rotational motion during the break. It is requested that you complete this packet if you currently have less than a 65%, but all students are welcome to complete it. This packet will be due the first day of school, I will not accept it any later. I will be available to help with any questions regarding the problems via REMIND on Wednesday the second...
You have two balls. The 300 g ball rolls off the counter landing 2 m out from the counter. The 150 g ball rolls off the counter with the identical speed as the first ball. What distance does the second ball land out from the counter? A.<1m B. 1 m C. Between 1 m and 2 m D. 2 m E. Between 2 m and 4 m F. 4 m 4(a). A projectile is launched horizontally from a 73-m-high cliff...
A rocket in outer space has a payload of 5055.6 kg and 1.542 . 105 kg of fuel. The rocket can expel propellant at a speed of 5.580 km/s. Assume that the rocket starts from rest, accelerates to its final velocity, and then begins its trip. How long will it take the rocket to travel a distance of 3.82. 103 km (approximately the distance between Earth and Moon)? Question A fire hose 4.54 cm in diameter is capable of spraying...
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