Calculate the new angular speed of the student

Reference no: EM13333457

A student sits on a rotating stool holding two 3.6-kg objects. When his arms are extended horizontally, the objects are 1.0 m from the axis of rotation and he rotates with an angular speed of 0.75 rad/s. The moment of inertia of the student plus stool is 3.0 kg · m2 and is assumed to be constant. The student then pulls in the objects horizontally to 0.29 m from the rotation axis.

(a) Find the new angular speed of the student.

rad/s

(b) Find the kinetic energy of the student before and after the objects are pulled in.

before J

after J

Reference no: EM13333457

Questions Cloud

Is it a violation of the canons of ethics for an attorney : Is it a violation of the Canons of Ethics for an attorney, who is engaged in the practice of criminal and civil law to be engaged in the business of making bail bonds under an assumed company name and to advertise such business in the telephone di..

Define a class for file that is derived from document : Similarly, define a class for File that is derived from Document and includes a instance variable for the pathname. The textual contents of the file should be stored in the inherited variable text. Redefine the toString method to concatenate all t..

Create a class called vehicle : Create a class called Vehicle that has the manufacturer's name (type String), number of cylinders in the engine (type int), and owner (type Person given below).

Determine the risk-free rate according to capm : the return on the market portfolio is currently 12%. mobile phone corporation stockholders require a rate of return of 30% and the stock has a beta of 3.2. according to capm, DETERMINE THE RISK-FREE RATE.

Calculate the new angular speed of the student : A student sits on a rotating stool holding two 3.6-kg objects. When his arms are extended horizontally, Find the new angular speed of the student

Define a class named creditcardpayment : Create a main method that creates at least two CashPayment and two CreditCardPayment objects with different values and calls payment Details for each.

Consulting the attorney of record : 1. Is it in violation of the Canons of Ethics for an attorney being a member of a district attorney's staff to attempt to elicit a confession or statement from a defendant charged with the criminal offense without consulting the attorney of recor..

What is the frequency of the piano wire : A piano tuner hears 2.0 beats per second between his 440 Hz tuning fork and a piano wire that has a lower pitch sound

Define a class named payment that contains an instance : Define a class named Payment that contains an instance variable of type double that stores the amount of the payment and appropriate accessor and mutator methods.

User Account

All Pages