A disk rotates at constant angular acceleration, from angular position 1 = 10.0 rad to angular position
Question:
A disk rotates at constant angular acceleration, from angular position θ1 = 10.0 rad to angular position θ2 = 70.0 rad in 6.00 s. Its angular velocity at θ2 is 15.0 rad/s.
(a) What was its angular velocity at θ1?
(b) What is the angular acceleration?
(c) At what angular position was the disk initially at rest?
Step by Step Answer:
a Using Eq we have 600 rad 600 s Wit...View the full answer
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
Related Video
Angular movements are produced when the angle between the bones of joint changes. There are several different types of angular movements, including flexion, extension, hyperextension, abduction, adduction, and circumduction. Flexion, or bending, occurs when the angle between the bones decreases. Moving the forearm upward at the elbow or moving the wrist to move the hand toward the forearm are examples of flexion. The extension is the opposite of flexion in that the angle between the bones of a joint increase.
Students also viewed these Mechanics questions
-
A conducting rod of length ? rotates at constant angular velocity about one end, in a plane perpendicular to a uniform magnetic field B?(Figure). (a) Show that the magnetic force on a charge q?at a...
-
Suppose a dist rotates at constant angular velocity. Does a point on the rim have radial and/or tangential acceleration? If the disks angular velocity increases uniformly, does the point have radial...
-
Disk B has an angular velocity 0 when it is brought into contact with disk A, which is at rest. Show that (a) The final angular velocities of the disks are independent of the coefficient of friction...
-
Factor each polynomial. 64y 9 + z 6
-
What are the functions of securities firms? Many securities firms employ brokers and dealers. Distinguish between the functions of a broker and those of a dealer, and explain how each is compensated.
-
Suppose that, at a certain real exchange rate, a countrys net exports exceed its net capital outflows. Is the equilibrium exchange rate higher or lower than this level? Explain both in words and with...
-
Statistical sampling: a. Measures quantitatively the risk from testing only part of an audit population. b. Allows the same degree of confidence as nonstatistical sampling but with substantially less...
-
Zelmer Company manufactures tablecloths. Sales have grown rapidly over the past 2 years. As a result, the president has installed a budgetary control system for 2012. The following data were used in...
-
A company is trying to predict the long-run market share of a new men's deodorant. Based on initial marketing studies, they believe that 30% of new purchasers in this market will ultimately try this...
-
Pittsburgh-Walsh Company, Inc. (PWC), manufactures lighting fixtures and electronic timing devices. The lighting fixtures division assembles units for the upscale and mid-range markets. The trend in...
-
A bicyclist of mass 70 kg puts all his mass on each downward- moving pedal as he pedals up a steep road. Take the diameter of the circle in which the pedals rotate to be 0.40 m, and determine the...
-
A wheel of radius 0.20 m is mounted on a frictionless horizontal axis. The rotational inertia of the wheel about the axis is 0.050 kg ?? m 2 . A massless cord wrapped around the wheel is attached to...
-
What are pathogenicity islands and why are they important?
-
What is copiedNums' length after the code segment? int[] originalNums int[] copiedums = {0, 0, 0); copiedNums = copy (originalNums, 2); = {1, 2, 3, 4); public static int[] copy(int[] nums, int...
-
On April 1, 2021, you will buy a new car that costs $33,000. You will pay $6,000 down and you will finance the rest with a bank at a rate of 4.8% APR compounded monthly (0.40% monthly). The term of...
-
Consider the following simple scenario of a hospital database that consists of: Departments, Doctors, Patients, and Rooms entities. Each Doctor belongs to only one department, each Doctor may have...
-
4) a) Explain what is meant by the term 'assistive technology'. (2 marks) b) Name one disadvantage associated with the use of assistive technology. (1 mark) c) Using suitable examples, describe three...
-
A, B, C, and D represent the population of four towns in terms of t, the number of years since 2000. A = 600 (1.12) B = 1000(1.03) a. Which of the towns is experiencing a decline in population? C =...
-
A four-stroke single cylinder petrol engine has a bore of \(150 \mathrm{~mm}\) and stroke of \(250 \mathrm{~mm}\). At \(500 \mathrm{rpm}\) and full load, the net load on friction brake is \(435...
-
Find the work done in pumping all the oil (density S = 50 pounds per cubic foot) over the edge of a cylindrical tank that stands on one of its bases. Assume that the radius of the base is 4 feet, the...
-
In a student experiment to confirm Hesss law, the reaction was carried out in two different ways. First, 8.00 mL of concentrated NH 3 (aq) was added to 100.0 mL of 1.00 M HCl in a calorimeter. (The...
-
A vacuum cleaner produces sound with a measured sound level of 70.0 dB. (a) What is the intensity of this sound in W/m2? (b) What is the pressure amplitude of the sound?
-
The intensity of a sound wave at a fixed distance from a speaker vibrating at 1.00 kHz is 0.600 W/m2. (a) Determine the intensity if the frequency is increased to 2.50 kHz while a constant...
-
The intensity of a sound wave at a fixed distance from a speaker vibrating at a frequency f is I. (a) Determine the intensity if the frequency is increased to f while constant displacement amplitude...
-
003 The minimal polynomial associated with the matrix 102 01 1 is
-
Question 1: How do strategy and tactical action relate to each other in an organization? Question 2: How can you improve the implementation of strategy in this business organization?...
-
Larkin Corporation sells products for $125 each that have variable costs of $50 per unit. Larkin's annual fixed costs are $430,000. (10 points Total) a. What is Larkin's contribution margin per unit?...
Study smarter with the SolutionInn App