Answered: As a solid disk rolls over the top of a…

As a solid disk rolls over the top of a hill on a track, its speed is 60 cm/s. If friction losses are negligible, how fast is the disk moving when it is 12 cm below the top?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter11: Angular Momentum

Section: Chapter Questions

Problem 29P: A 40.0-kg solid cylinder is rolling across a horizontal surface at a speed of 6.0 m/s. How much work...

See similar textbooks

Related questions

Q: In Fig. below, two blocks, of masses 2 kg and 3 kg, are connected by a light string that passes over…

A: Assume that the final position of the block of mass 2.00 kg is the datum point. Both the blocks will…

Q: A screwdriver turns a screw an angle of 5.85 radians by applying a torque given by (in Nm) 02 T =…

A: Given that The angular displacement (θ) = 5.85radians Torque…

Q: To develop muscle tone, a woman lifts a 2.00-kg weight held in her hand. She uses her biceps muscle…

A: assume that the arm starts extended vertically down ward and take the elbow joint is the point at…

Q: A solid sphere, a thin spherical shell, and a solid cylinder each have a radius of 3 cm and a mass…

A: We know that the potential energy is given by U=mgh here m=mas g=acceleration due to gravity…

Q: A solid cylinder is released from the top of an inclined plane of height 0.39 m. From what height,…

Q: A hoop of radius 3.0 m with a mass of 150 kg. It rolls along a horizontal floor so that its center…

A: Given: The radius of the hoop is 3.0 m. The mass hoop is 150 kg. The speed of the center of mass is…

Q: How much energy is dissipated when a 2 kg grinding wheel of radius 0.1 m is brought to rest from an…

A: The kinetic energy of rotation is given by K = 0.5 I w2 where, I is the moment of inertia and w is…

Q: PBL 8.8 A ball of mass 0.5 kg and radius 3.0 cm rolls without slipping down on an inclined plane of…

A: Mass of ball = 0.5 kg Radius of ball = 3 cm Angle = 30 degree L = 0.8 m Initial speed = 0…

Q: A 20.0-kg child sitting 5.80 m from the center of a merry-go-round has a constant speed of 2.00 m/s.…

A: Given data The mass of the child is: m = 20 kg The radius of the center of rotation is: r = 5.80 m…

Q: A 6kg hoop 3m in diameter rolls down a plane inclined 40 degrees. At the bottom of the incline, what…

Q: In the figure here, a solid brass ball of mass 0.165 g will roll smoothly along a loop-the-loop…

Q: particular horizontal turntable can be modeled as a uniform disk with a mass of 230 g and i gular…

Q: A hoop rolls down a 5.25 m high hill without slipping. d=5.25 what is the final speed of the hoop…

Q: A hoop with a mass of 2.75 kg is rolling without slipping along a horizontal surface with a speed of…

Q: A horizontal 800-N merry-go-round is a solid disk of radius 1.50 m and is started from rest by a…

A: The expression for the moment of inertia is, I=12MR2=12WgR2 Substitute, I=12800 N9.8 m/s21.50…

Q: Each wheel of a 300-kg motorcycle is 61 cm in diameter and has rotational inertia 1.5 kg·m2. The…

A: Given : Total Mass, M = (300+72) = 372 kg Diameter of wheel, D = 61 cm = 0.61 m Radius of the…

Q: A pendulum swings as pictured. How fast was it moving at the bottom of its travel if at the top it…

Q: A block of mass 0.74 kg is suspended by a string which is wrapped so that it is at a radius of 0.069…

Q: 9.0 kg 1.0 m 1.2 kg 2.0 m 2.5 kg

Q: A particle of mass 20 g is released with an initial velocity 5 m/s along the curve from the point A,…

Q: As a solid disk rolls over the top of a hill on a track, its speed is 80 cm/s. If friction losses…

Q: A horizontal 800-N merry-go-round is a solid disk of radius 1.50 m and is started from rest by a…

A: Use rotational Kinetic energy. for solid disc , moment of inertia is mr²/2 Torque = momentum of…

Q: The figure shows a thin rod, of length L = 1.90 m and negligible mass, that can pivot about one end…

Q: An Atwood machine has M, = 10.0 kg. M2 = 20.0 kg. The pulley is a flat cylindrical disk with. R =…

Q: A screwdriver turns a screw an angle of 5.09 radians by applying a torque given by (in Nm) T= 1.57 +…

Q: When a torque does work on a rotating rigid body, what is the effect on kinetic energy?

A: When a rigid body is rotating abound a fixed axis with an angular velocity w, then a torque is…

Q: A 85.0 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.110 m/s.…

Q: A 140 kg hoop rolls along a horizontal floor so that the hoop's center of mass has a speed of 0.15…

Q: A meter stick is held vertically with one end on the floor and is then allowed to fall. Find the…

Q: A wheel as shown below, has a thin 3.0 kg rim and four spokes, each of mass 1.2 kg. The aiameter of…

A: Kinetic energy of the wheel is sum of rotational and translational kinetic energies…

Q: A 85.0 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.110 m/s.…

A: Given: The mass of the object is 85 kg. The initial speed of the object is 0 m/s. The final speed is…

Q: a flat circular frisbee of mass 2.26 and radius .669 meters is thrown in such a way that the speed…

A: Given: mass m = 2.26 kg radius R = 0.669 m velocity v = 0.838 m/s frequency ω=21.7 rot/min =…

Q: he figure, two particles, each with mass m = 0.80 kg, are fastened to each other, and to a rotation…

A: Given values:- Mass of particle,(m)=0.80 kg ----(1) Rod length,(d)=5.4 cm=5.4 x 10-2 m ----(2) Mass…

Q: A hollow sphere of mass 2.6 kg and radius 2 cm starts to roll (without slipping) down an incline of…

Q: In the figure, a small 0.326 kg block slides down a frictionless surface through height h = 0.881 m…

A: Given information:

Q: When the kinetic energy due to rotation is zero?

A: The kinetic energy due to rotation is given by, K=12Iω2 Here, I is the moment of inertia of the…

Q: A cord is wrapped around a pulley that is shaped like a disk of mass mand radius r. The cord's free…

A: a) For the isolated system model for the block-pulley-Earth system,

Q: ) A 120Kg disk with a radius of 10 cm rolls without slipping. If the linear speed of the disk is…

A: a) The expression for find translational kinetic energy is KEt=12mv2 Substitute values in the above…

Q: In the figure, a small 0.272 kg block slides down a frictionless surface through height h = 0.336 m…

A: The energy possessed by an object when it is raised to a height h above the ground is known as the…

Q: A wheel with a radius of 0.23 m and a mass of 7.31 kg spins about its axis at 6.53 radians per…

A: The mass of the wheel, m = 7.31 kg The radius of the wheel, r = 0.23 m The angular velocity of the…

Q: In the figure here, a solid brass ball of mass 0.107 g will roll smoothly along a loop-the-loop…

Q: A solid disk with radius r = 10cm rolls smoothly from rest from the top of the roof that is 12m long…

A: The situation of the solid disk is shown below. Here, l is the length of the inclined roof, h is…

Q: An automobile has a total mass of 1600 kg. It accelerates from rest to 50 km/h in 25 s. Assume each…

Q: A thin, 90.0 g disk with a diameter of 6.00 cm rotates about an axis through its center with 0.240 J…

Question

As a solid disk rolls over the top of a hill on a track, its speed is 60 cm/s. If friction
losses are negligible, how fast is the disk moving when it is 12 cm below the top?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

The puck in Figure 10.25 has a mass of 0.120 kg. The distance of the puck from the center of rotation is originally 40.0 cm, and the puck is sliding with a speed of 80.0 cm/s. The string is pulled downward 15.0 cm through the hole in the frictionless table. Determine the work done on the puck. (Suggestion: Consider the change of kinetic energy.)
A buzzard (m = 9.29 kg) is flying in circular motion with aspeed of 8.44 m/s while viewing its meal below. If the radius ofthe buzzards circular motion is 8.00 m, what is the angularmomentum of the buzzardaround the center of its motion?
A thin rod of length 2.65 m and mass 13.7 kg is rotated at anangular speed of 3.89 rad/s around an axis perpendicular to therod and through one of its ends. Find the magnitude of the rodsangular momentum.
An athlete in a gym applies a constant force of 50 N to the pedals of a bicycle to keep the rotation rate of the wheel at 10 rev/s. The length of the pedal arms is 30 cm. What is the power delivered to the bicycle by the athlete?
The blades of a wind turbine are 30 m in length and rotate at a maximum rotation rate of 20 rev/min. (a) If the blades are 6000 kg each and the rotor assembly has three blades, calculate the angular momentum of the turbine at this rotation rate. (b) What Is the torque require to rotate the blades up to the maximum rotation rate in 5 minutes?
A turntable (disk) of radius r = 26.0 cm and rotational inertia0.400 kg m2 rotates with an angular speed of 3.00 rad/s arounda frictionless, vertical axle. A wad of clay of mass m =0.250 kg drops onto and sticks to the edge of the turntable.What is the new angular speed of the turntable?
A tennis ball is a hollow sphere with a thin wall. It is set rolling without slipping at 4.03 m/s on a horizontal section of a track as shown in Figure P10.62. It rolls around the inside of a vertical circular loop of radius r = 45.0 cm. As the ball nears the bottom of the loop, the shape of the track deviates from a perfect circle so that the ball leaves the track at a point h = 20.0 cm below the horizontal section. (a) Find the balls speed at the top of the loop. (b) Demonstrate that the ball will not fall from the track at the top of the loop. (c) Find the balls speed as it leaves the track at the bottom. What If? (d) Suppose that static friction between ball and track were negligible so that the ball slid instead of rolling. Would its speed then be higher, lower, or the same at the top of the loop? (e) Explain your answer to part (d). Figure P10.62
The puck in Figure P11.46 has a mass of 0.120 kg. The distance of the puck from the center of rotation is originally 40.0 cm, and the puck is sliding with a speed of 80.0 cm/s. The string is pulled downward 15.0 cm through the hole in the frictionless table. Determine the work done on the puck. (Suggestion: Consider the change of kinetic energy.) Figure P11.46
A space probe is fired as a projectile from the Earths surface with an initial speed of 2.00 104 m/s. What will its speed be when it is very far from the Earth? Ignore atmospheric friction and the rotation of the Earth. P11.26 Ki+Ui=Kf+Uf12mvi2+GMEm(1rf1ri)=12mvf212vi2+GME(01RE)=12vf2orvf2=v122GMEREandvf=(v122GMERE)1/2,vf=[(2.00104)21.25108]1/2m/s=1.66104m/s
A 40.0-kg solid cylinder is rolling across a horizontal surface at a speed of 6.0 m/s. How much work is required to stop it?
A bowling ball of radius 8.5 cm is tossed onto a bowling lane with speed 9.0 m/s. The direction of the toss is to the left, as viewed by the observer, so the bowing ball starts to rotate counterclockwise when in contact with the floor. The coefficient of kinetic friction on the lane is 0.3. (a) What is the time required for the ball to come to the point where It is no slipping? What is the distance d to the point where the ball is rolling without slipping?
A roller coaster has mass 3000.0 kg and needs to make it safely through a vertical circular loop of radius 50.0 m. What is the minimum angular momentum of the coaster at the boom of the loop to make it safely through? Neglect friction on the track. Take the coaster to be a point particle.