One way to store energy is in the rotational motion of a flywheel, and some have proposed using such technology power automobiles. One unit is based on a 7.0-kg flywheel in the shape of a hoop of radius 0.11 Part A How much kinetic energy is stored by the flywheel when it is rotating at its maximum rate? Express your answer to two significant figures and include appropriate units. Template Symbols undo redo resat keyboard shortcuts help, Value Submit Part B Units Request Answer If the vehicle requires an average power of 11 kW under normal driving conditions, for Express your answer to two significant figures and include appropriate units. Template Symbols undo redo reset keyboard shortcuts help, Value Units much time can it operate with the energy stored in the flywheel? that spins as fast as 70000 rpm,

One way to store energy is in the rotational motion of a flywheel, and some have proposed using such technology power automobiles. One unit is based on a 7.0-kg flywheel in the shape of a hoop of radius 0.11 Part A How much kinetic energy is stored by the flywheel when it is rotating at its maximum rate? Express your answer to two significant figures and include appropriate units. Template Symbols undo redo resat keyboard shortcuts help, Value Submit Part B Units Request Answer If the vehicle requires an average power of 11 kW under normal driving conditions, for Express your answer to two significant figures and include appropriate units. Template Symbols undo redo reset keyboard shortcuts help, Value Units much time can it operate with the energy stored in the flywheel? that spins as fast as 70000 rpm,

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

Could you answer questions 15 and 16?
A high-speed drill reaches 2000 rpm in 0.60 s. Part A What is the drill's angular acceleration? Express your answer in radians per second squared.
P Click to see additional instructions A pendulum bob of mass 2.0 kg is tied to a string of length 1.2 m and set into motion in a circular path in a horizontal plane as shown in the figure. If the angle 0 = 10°, the angular momentum of the bob about the vertical axis through the point P is kg.m?.s1
How do u solve this
Can i get help with both of these please
Please Asap
Part B What fraction of its kinetic energy is rotational? View Available Hint(s) Hint 1. How to approach the problem In Part A, you found an expression for the total and rotational kinetic energies of the solid sphere. Use it to find the ratio of rotational kinetic energy to total. Hint 2. Simplify: rotational kinetic energy of the solid sphere Recall the expressions for linear velocity, kinetic energy of rotation, and the moment of inertia of a solid sphere, then combine them, and give an expression for the kinetic energy of rotation sphere in terms of the variables of the mass of the sphere M, the radius of the sphere R, and the angular velocity w of the sphere. Express your answer in terms of some, all, or none of the variables w, R, M. Krot = ΑΣΦ Submit Request Answer ? Hint 3. Simplify: total kinetic energy of the solid sphere Use the expressions for linear kinetic energy and rotational kinetic energy to find the total kinetic energy. Write below an expression for the total…
Examine the lever in the following diagram Examine the lever in the following diagram. The lever is slowly turning in the direction shown. a) Find the IMA. b) Find the MA. c) Explain why the IMA is greater than the MA in this example. Rotation 9.0 m m = 160 kg 3 m F= 920 N
Gears A, B, C, and D have radii of 20 mm, 50 mm, 30 mm, and 75 mm, respectively. (Figure 1) Figure F 49°F Rain off and on 1 of 1
A 120 g ball and a 220 g ball are connected by a 30-cm-long, massless, rigid rod. The balls rotate about their center of mass at 150 rpm What is the speed of the 120 g ball? Express your answer with the appropriate units. v= μÀ Value Submit Units ? Units input for part A Previous Answers Request Answer
85 Please use energy to solve Please label all free body diagrams and any formulas used Thanks!
A 1.15-kg grinding wheel 22.0 cm in diameter is spinning counterclockwise at a rate of 20.0 revolutions per second. When the power to the grinder is turned off, the grinding wheel slows with constant angular acceleration and takes 80.0 s to come to a rest Part A What was the angular acceleration (in rad/s) of the grinding wheel as it came to rest if we take a counterclockwise rotation as positive? Express your answer in radians per second squared. V ΑΣΦ Submit Request Answer Part B ? rad/s2 How many revolutions did the wheel make during the time it was coming to rest? Express your answer as a number of revolutions. ΜΕ ΑΣΦ Submit Request Answer Provide Feedback ? revolutions Next>>