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$\cdot$ If a wheel 212 $\mathrm{cm}$ in diameter takes 2.25 s for each revolution, find its (a) period and (b) angular speed in rad/s.

a) 2.25 $\mathrm{s}$b) 2.79 $\mathrm{rad} / \mathrm{s}$

Physics 101 Mechanics

Chapter 9

Rotational Motion

Physics Basics

Rotation of Rigid Bodies

Dynamics of Rotational Motion

Equilibrium and Elasticity

Rutgers, The State University of New Jersey

University of Michigan - Ann Arbor

University of Washington

McMaster University

Lectures

04:16

In mathematics, a proof is a sequence of statements given to explain how a conclusion is derived from premises known or assumed to be true. The proof attempts to demonstrate that the conclusion is a logical consequence of the premises, and is one of the most important goals of mathematics.

02:21

In physics, rotational dynamics is the study of the kinematics and kinetics of rotational motion, the motion of rigid bodies, and the about axes of the body. It can be divided into the study of torque and the study of angular velocity.

01:57

$\cdot$ If a wheel 212 $\m…

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in this problem. We are also guilt leading there. Velocity and time. Peter de Off are getting real. The time required to complete one revolution is no less time, period. And since the wheel completes its one revolution in 2.25 seconds, So by definition, the tramp unities equals to 2.25 seconds. Well, let's be find that and one of the most e through the formula. My lie close to Daddy wanted by t So sitting the values into this question, we wouldn't get my guy calls to two months blabber a 3.14 radiant divided by 2.25 seconds. This will give us my cycles too. 2.79 The radiant Parseghian. This is our answer. Thank you.

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