A 2.40 kg hoop 1.20 m in diameter is rolling to the right without slipping on a horizontal floor at a steady 2.90 rad/s. Part A How fast is its center moving? Express your answer with the appropriate units. HA ? Vem = Value Units Submit Request Answer Part B What is the total kinetic energy of the hoop? Express your answer with the appropriate units. %3D µA ?

A pulley on a frictionless axle has the shape of a uniform solid disk of mass 2.60 kg and radius 20.0 cm. A 1.90 kg stone is attached to a very light wire that is wrapped around the rim of the pulley (Figure 1), and the system is released from rest. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of An unwinding cable ii. Part A How far must the stone fall so that the pulley has 5.00 J of kinetic energy? Express your answer with the appropriate units. HÅ h = .58 m 0 ?

A pulley of mass 0.208 kilograms and radius 4.31 centimeters experiences an unbalanced torque of 0.00244 newton·meters. a. What is the pulley's angular acceleration? Include units in your answer. More information. b. If it started from rest, how much would the pulley have rotated after 2.35 seconds? Include units in your answer. More information.

Actionspulley which can be moduled as a 0.32 kg sold cylinder with a 0.31 maus, has a repe going over d as shown in Part A The sions the pe are 12 N and 10 N. What is the angular acceleration of the pulley? Express your answer in radians per second equared to two significant figures. 1. Submit ATA ? rel/ 12 N Review Constants Periodic Tab 10 N Next>

A smal, dosely wound col has N tuns, area A, and resistance R. The col is intaly in a unform magnetic feld that has magnitude B and a drection perpendicular to the plane of the loop. The collisthen rapidly pulled out of the field so that the flux through the collis reduced to zero in time At. Part A What are the magnitude of the average emf E, and average curent I, induced in the col? Express your answer in terms of the variables N, A, R, B. and At. AZ + * O O ? E, Iy= • Part B The total charge Qthat fows though the col is given by Q= IavAt. Derive an expression for Q in terms of N, A, B, and R Note that Q does not depend on At. Express your answer in terms of the variables N, A, R, and B. ? Q=

A 430 g, 8.5-cm-diameter can is filled with uniform, dense food. It rolls across the floor at 1.5 m/s . Part A What is the can's kinetic energy? Express your answer with the appropriate units. μA Value Units

A solid disk with an axis of rotation through the center (perpendicular to the diagram). Two holes are cut out near the center and the material is placed near the rim. Which has the larger I? Please explain your conclusion.

A bowling ball of mass 8.0 kg and radius 9.0 cm rolls without slipping down a lane at 4.0 m/s. Part A Calculate its total kinetic energy. Express your answer using two significant figures. ΜΕ ΑΣΦ K = ? J

The 500 kg concrete culvert has a mean radius of 0.5m. Part A If the truck has an acceleration of 3 m/s?, determine the culvert's angular acceleration. Assume that the culvert does not slip on the truck bed, and neglect its thickness. (Figure 1) Express your answer with the appropriate units. HÀ ? a = Value Units Submit Request Answer Figure 1 of 1 Provide Feedback Next > 4 m 3 m/s 0.5m

I need help with just part b