The two blocks in the figure(Figure 1) are connected by a massless rope that passes over a pulley. The pulley is 12 cm in diameter and has a mass of 2.3 kg. As the pulley turns, friction at the axle exerts a torque of magnitude 0.45 N-m. Figure 40 kg 20kg < 1011 Part A If the blocks are released from rest, how long does it take the 4.0 kg block to reach the floor? Express your answer to two significant figures and include the appropriate units. t= Value Submit HA Provide Feedback Request Answer → Units ?

The two blocks in the figure(Figure 1) are connected by a massless rope that passes over a pulley. The pulley is 12 cm in diameter and has a mass of 2.3 kg. As the pulley turns, friction at the axle exerts a torque of magnitude 0.45 N-m. Figure 40 kg 20kg < 1011 Part A If the blocks are released from rest, how long does it take the 4.0 kg block to reach the floor? Express your answer to two significant figures and include the appropriate units. t= Value Submit HA Provide Feedback Request Answer → Units ?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

Part A A 5 N and a 10 N force act on an object. The moment arm of the 5 N force is 0.2 m. If the 10 N force produces five times the torque of the 5 N force, what is its moment arm? Express your answer in meters to one significant figure. ΙΠ ΑΣΦ Submit Request Answer ? m
Questions 1. A uniform meter stick pivoted at its centre, has a 100.0 g mass suspended at the 25.0 cm position. At what position should a 75.0 g mass be suspended to put the system in equilibrium? Show workings. 1 m 75 cm 25 cm 50 cm 75.0 g 100.0 g I
Three forces are applied to a wheel of radius 0.350 m, as shown in the figure (Figure 1). One force is perpendicular to the rim, one is tangent to it, and the other one makes a 40.0° angle with the radius. Assume that F₁ = 12.3 N, F₂ = 14.2 N, and F3: 8.45 N. = Figure Part A 0.350 m 40.0° F F3 1 of 1 What is the magnitude of the net torque on the wheel due to these three forces for an axis perpendicular to the wheel and passing through its center? ΜΕ ΑΣΦ T-10.46 Submit Previous Answers Request Answer × Incorrect; Try Again ? N.m
box the final answers
PLEASE DRAW AN FBD AND ANSWER IT ON A PAPER The figure shown is on a fixed frictionless axle. It has a moment of inertia of I = 50 kg-m2 . The forces acting on the object are F1 = 100 N, F2 = 200 N, and F3 = 250 N acting at different radii R1 =60 cm, R2 = 42 cm, and R3 = 28 cm. Determine the angular acceleration of the object.
A merry-go-round accelerates from rest to 0.70 rad/s in 30 s. Part A Assuming the merry-go-round is a uniform disk of radius 8.0 m and mass 3.20×104 kg , calculate the net torque required to accelerate it. Express your answer to two significant figures and include the appropriate units.
A 2.6-m-diameter merry-go-round with rotational inertia 140 kg. m² is spinning freely at 0.60 rev/s. Four 25-kg children sit suddenly on the edge of the merry-go-round. Part A Find the new angular speed. Express your answer using two significant figures. V= for Part A for Part A undo for Part A redo for Part A reset for Part A keyboard shortcuts for Part A help for Part A Submit Part B Determine the total energy lost to friction between the children and the merry-go-round. Express your answer using two significant figures. AK = Request Answer Submit rev/s for Part B for Part B undo for Part B redo for Part B reset for Part B keyboard shortcuts for Part B help for Part B Request Answer J
pls help answer two questions attached
A gardener is using a tool as shown in the figure to pull weeds. 24 cm You will notice that the tool is designed with a built-in pivot point about which the torques are applied. If the gardener applies a 1.77 Nm torque (about the pivot point) in order to pull a weed, determine the resistive force (in N) the weed exerts on the weed puller. N
Part A What is the angular momentum of a figure skater spinning at 2.6 rev/s with arms in close to her body, assuming her to be a uniform cylinder with a height of 15 m a radius of 16 cm, and a mass of 52 kg ? Express your answer using three significant figures and include the appropriate units. L= Value Submit Part B Request Answer Irl= Value Units How much torque is required to slow her to a stop in 4.1s, assuming she does not move her arms? Express your answer using three significant figures and include the appropriate units. Submit Request Answer ? Units ?
Plz solve correctly as it is already solved but wrong. Plz solve the problem correctly.
FA740.0N FI-10.0N TO-3 A rotor has four forces applied to it as shown to the right. Find the magnitude and sign of the net (total) torque (about the center of the rotor) on the rotor due to these four forces. Force F4 is applied at the center of the rotor. F3-30ON F220.0N 5.00cm 10.0cm 5.00cm hp