A Solid Cylinder of Mass M = 3 Kg and Radius

question 57

Multiple Choice

A solid cylinder of mass m = 3 kg and radius r = 12 cm is initially rotating about its central axis with angular frequency $\omega$ = 25 radians/s.How many revolutions does it make after a retarding force of 0.5 N is applied to the outer surface?

• A)0.018 rev
• B)0.11 rev
• C)0.036 rev
• D)0.0090 rev
• E)0.072 rev

---

Definitions:

Investment Project

An investment project represents a series of cash inflows and outflows aimed at generating a return over time, typically involving the purchase of assets or investment in ventures.

Discount Rate

In DCF evaluations, the applied rate to ascertain the contemporary value of expected future cash inflows.

Net Present Value

The difference in now-value of cash inflow versus outflow throughout a definite timeline.

Project Life

The duration from the initiation to the conclusion of a project, encompassing all phases including planning, execution, and closure.