A disk rotates at constant angular acceleration, from angular position 1 10 0 rad to angular position 2 70 0 rad in 6 00 s Its angular velocity at 2 is 15 0 rad s (a) What was its angular velocity at 1 (b) What is the angular acceleration (c) At what angular position was the disk initially at rest ...

a Using Eq we have 600 rad 600 s Wit ...

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?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

See More Books

Question Posted: Jan 13, 2011 06:49 AM

See More 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.
A sample is bombarded by incident X-rays, and free electrons in the sample scatter some of the X-rays at an angle of = 122.08 with respect to the incident X-rays (see Figure 29.10). The scattered...
Consider the gasoline mileage data in Table B.3. Split the data into estimation and prediction sets. a. Evaluate the statistical properties of these data sets. b. Fit a model involving $x_{1}$ and...
The following information was obtained from the records of Shae, Inc.: Merchandise inventory . . . . . . . . . . . . . . . . . . . . . . . . . $264,000 Notes payable (long-term) . . . . . . . . . . ....
How might the principles of Continuous Improvement, rooted in the ethos of empirical inquiry and relentless introspection, serve as a catalyst for the cultivation of a learning organization paradigm,...
A transfer machine has six stations that function as follows: In addition, transfer time = 0.18 min. Average downtime per occurrence = 8.0 min. A total of 20,000 parts must be processed through the...
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...
Name the four ways in which signed integers can be represented in digital computers, and explain the differences.
A monopolist produces a good that: a. is a public utility, such as electricity b. has no close substitutes c. has numerous substitutes d. is inferior
Profit maximization is the goal of which type of firm?: a. competitive firm b. monopolist c. oligopolist d. all of the other three answers
The key characteristics of a monopolistic competitor is: a. freedom of entry and exit b. homogeneous product c. product differentiation d. monopolistic prices
Agriculture in high-income nations such as the US and EU is: a. mostly subject to Coasian bargaining b. subject to the Law of Nature, but not the Law of Government Regulation c. heavily regulated d....
Coasian bargaining does not work well when there are: a. high transactions costs b. low transactions costs c. property rights assigned to the affected party d. property rights assigned to the creator...
Read the Ideas in Action section about Melinda Gates. Respond to the following questions based on Gatess experiences and your own experiences: A. What are some of the negative consequences of trying...
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...
Sell of Process Further Rose Hill, a soybean farm in northern Minnesota, has a herd of 50 dairy cows. The cows produce approximately 2,800 gallons of milk per week. The farm currently sells all its...
The 3 promotional methods to use will include digital marketing, word to mouth and branding. D g. Part 4: Promotional Strategy i. Identify a promotional mix consisting of at least three promotional...
Wu Inc. Statement of Income Year Ended August 31, 2024 Service revenue Operating expenses Income before income tax Income tax expense Net income Wu Inc. $ 325,000 [1] 116,000 23,000 $ [2] Statement...

A disk rotates at constant angular acceleration, from angular position 1 = 10.0 rad to angular position

Question:

Step by Step Answer:

a Using Eq we have 600 rad 600 s Wit...View the full answer

Fundamentals of Physics

Related Video

Students also viewed these Mechanics questions