A 140 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.200 m/s. How much work must be done on the hoop to stop it?
A 140 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.200 m/s. How much work must be done on the hoop to stop it?
Want to see the full answer?
Check out a sample Q&A here
Related Physics Q&A
Find answers to questions asked by students like you.
Q: A 140 kg hoop rolls along a horizontal floor so that the hoop’s center of mass has a speed of 0.150…
A: Click to see the answer
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: Click to see the answer
Q: A 100 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.220 m/s.…
A: Click to see the answer
Q: A 140 kg hoop rolls along a horizontal floor so that the hoop's center of mass has a speed of 0.15…
A: Click to see the answer
Q: An ice skater starts a spin with her arms stretched out to the sides. She balances on the tip of one…
A: Let us suppose an ice skater starts a spin with her arms stretched out to the sides. She balances on…
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 hoop of radius 2 m weighs 100 kg. It rolls along a horizontal floor so that its centre of mass has…
A: Without the weights the meter stick will balance at 50 cm.
Q: A solid sphere of radius 15 cm is allowed to rotate freely about an axis. The sphere is given a…
A: According to the parallel axis theorem, the moment of inertia of the center about the axis is,…
Q: In the system , a 72.0 kg mass is released from rest and falls, causing the uniform 70.0 kg cylinder…
A: Click to see the answer
Q: A hoop with a mass of 2.75 kg is rolling without slipping along a horizontal surface with a speed of…
A: Click to see the answer
Q: Current Attempt in Progress In the figure, a small 0.299 kg block slides downa frictionless surface…
A: Click to see the answer
Q: In the system , a 145.0 kg mass is released from rest and falls, causing the uniform 10.0 kg…
A: Click to see the answer
Q: Two barbells are sitting on the floor at the RWC. Both consist of a 10 kg bar with length 1.5 m, and…
A: Click to see the answer
Q: A solid disk rotates in the horizontal plane at an angular velocity of 0.0602 rad/s with respect to…
A: From the laws of conservation of angular momentum, the angular velocity of the disk is,
Q: A skater pulls in her arms, decreasing her moment of inertia by a factor of two, and doubling her…
A: Click to see the answer
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: Click to see the answer
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: A typical helicopter with four blades rotates at 240 rpm and has a kinetic energy of 3.45 105 J.…
A: The kinetic energy, KE=3.45×105 J The angular speed, ω=240 rpm×2π rad1 rev×1 min60 s=25.13 rad/s
Q: 3. A 5.20-kilogram hoop starts from rest at a height 1.30 m above the base of an inclined plane and…
A: Click to see the answer
Q: A bowling ball has a mass 4 kg, a moment of inertia of 1.6 x 10-2 kg x m2 and a radius of 0.1 m. If…
A: Total energy is sum of rotational and translational energy ETot=ERot+ETran=12Iω2+12mv2=12Ivr2+12mv2…
Q: A rigid body with one point fixed rotates with angular velocity omega and has angular momentum L.…
A: Click to see the answer
Q: A 93.0 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.0970 m/s.…
A: Click to see the answer
Q: A 93.0 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.0970 m/s.…
A: The given data are: m=93 kgv=0.097 m/s Here, m is the mass and v is the speed.
Q: A hammer is made of a solid sphere and a solid rod of negligible mass attached to the sphere. The…
A: Click to see the answer
Q: A solid disk rotates in the horizontal plane at an angular velocity of 0.0652 rad/s with respect to…
A: Click to see the answer
Q: A solid disk rotates in the horizontal plane at an angular velocity of 0.042 rad/s with respect to…
A: Given, a solid disk rotates in the horizontal plane at an angular velocity of ωi=0.042 rad/s with…
Q: A wind turbine has a moment of inertia of 2.2*10^12 kg*m^2 . How much energy is required to speed it…
A: Click to see the answer
Q: A 40.0-kg solid cylinder is rolling across a horizontal surface at a speed of 6.0 m/s. How much work…
A: Click to see the answer
Q: A wooden barrel, with a mass of 13 kg, is rolling across a horizontal floor without slipping. The…
A: Click to see the answer
Q: While spinning down from 500.0 rpm to rest, a solid uniform flywheel does of work 51 KJ. If the…
A: initial angular speed (ω) = 500 rpm= 500×2π60 = 52.36 radsec final angular speed (ωf) = 0 rpm work…
Q: A local ice hockey team has asked you to design an apparatus for measuring the speed of the hockey…
A: Write the given values, and determine the moment of inertia of the rod, and the moment of inertia of…
Q: A student sits on a rotating stool holding two 3.6-kg objects. When his arms are extended…
A: Click to see the answer
Q: A torque of 170 N.m does 4602 J of work on a rotating flywheel. If the flywheels initial kinetic…
A: Given Work done W=4602J Initial kinetic energy Ki=1289J
Q: A diver curls up on diving to do flips, then straightens as she enters the water. Which of these is…
A: The product of the body's angular velocity and its moment of inertia is the angular momentum of the…
Q: The net work done in accelerating a propeller from rest to an angular velocity of 200 rad/s is 3 000…
A: Given: The net work done by the propeller is E=3000 J. The angular velocity is ω=200 rad/s. The…
Q: The machine element shown is fabricated from steel. Determine the mass moment of inertia of the…
A: Click to see the answer
Q: In the figure, a small 0.326 kg block slides down a frictionless surface through height h = 0.881 m…
A: Click to see the answer
Q: In the figure, a small 0.326 kg block slides down a frictionless surface through height h = 0.881 m…
A: Click to see the answer
Q: A solid disk rotates in the horizontal plane at an angular velocity of 4.20 × 10-2 rad/s with…
A: Given data: Initial angular velocity (ω1) = 4.20 × 10-2 rad/s Initial moment of inertia (I1) = 0.14…
Q: A hammer is made of a solid sphere and a solid rod of negligible mass attached to the sphere. The…
A: Click to see the answer
Q: Show that the moment of inertia of a rectangular plate of mass m and sides ma?b? a and b about the…
A: Click to see the answer
Q: An object of mass 1.5 kg does rotational motion. Its angular velocity is 30 rpm and the radius of…
A: Kinetic energy of the object in rotational motion Krot=12Iω2=12mr2ω2
Q: In a playground, there is a turntable that rotates freely without friction. The turntable is a…
A: Write the expression for conservation of angular momentum
Q: At one instant, force F=4.0j N acts on a 5kg object that has position vector: r = (2.0i - 2.0k) and…
A: Given data *The given force acts on the object is F = 4.0j N *The object has a position vector is…
Q: The puck in Figure P8.63 has a mass of 0.120 kg. Its original distance from the center of rotation…
A: Click to see the answer
Q: Two forces of magnitude Peach act on the beam. Determine the angle e which the combined moment of…
A: SOlution: as given that L1 = 5.5 m L2 = 5.5+2.5= 8 m force applied P
Q: An Atwood machine has M, = 10.0 kg. M2 = 20.0 kg. The pulley is a flat cylindrical disk with. R =…
A: Click to see the answer
Q: The object shown below has mass m and velocity V. The direction of its angular momentum vector with…
A: The expression for the angular momentum,
Q: Two wheels of moment of inertia 6 o kg mand 2.2 kg m² are set in rotation with angular speed 3.4…
A: Given: I = 6 kg m2 I' = 2.2 kg m2 w = 3.4 rad/s w' = 9.9 rad/s
Q: Suppose you start an antique car by exerting a force of 320 N on its crank for 0.13 s. f = 320 N t…
A: The angular momentum given to the engine by the crank can be calculated as, τ = ∆l/∆t The torque is…
