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$\bullet$ An airplane propeller is rotating at 1900 $\mathrm{rpm.}$ (a) Compute the propeller's angular velocity in rad/s. (b) How many seconds does it take for the propeller to turn through $35^{\circ} ?$ (c) If the propeller were turning at $18 \mathrm{rad} / \mathrm{s},$ at how many rpmwould it be turning? (d) What is the period (in seconds) of this propeller?

a) 199 $\mathrm{rad} / \mathrm{s}$b) $3.1 \times 10^{-3} \mathrm{s}$c) 172 $\mathrm{rpm}$d) 0.032$s$

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 Washington

Hope College

University of Winnipeg

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.

02:27

An airplane propeller is r…

04:42

01:27

A helicopter’s propeller b…

01:57

01:01

02:15

2

02:16

Propeller A propeller spin…

03:02

A propeller is accelerated…

02:09

The fan blades on a jet en…

02:28

The propeller of a World W…

02:14

02:43

A wind turbine is initiall…

10:22

Group Activity Ship's…

In the first part of this question, we have to compute the given angler. Lusty off the problem. Radiant persecute. I have lost two years. Well, my guy calls too. 1900 rpm. We know that one revolution equals to Dubai. Radiant! And one minute equals two 60 seconds. Now, using these two relations, we can right my vehicles too. 1900. Multiply very to multiply every 3.14 radiant he wanted by 60 seconds. So this would you, us my cycles, too. 1 99 1,000,000%. So this is our answer off the first part of this question? No. Let's come to order the part b of this question in this part of the question, we have to kill Colette. But that the time taken by the problem two car, the gun. Angular displacement in orderto complete the time taken. We will use the question my cycles to Hey, Daddy wanted by d So solving this question for tea we will get equals two. He died he wanted by Omega. So no setting the Williams for this We die and omega we will get equals 2 35 ready and divided by 57.3 multiply way 1 98 point years old Radian per second. So this with us people's too 3.1 multiplied by returns far minus three seconds. In part C off the question we have to convert the angler Lost E, which is given in Radian per second into revolutions per minute is the angle of lost ese. My vehicles too. A team radiant per second. So using these convergence which we have mentioned in by way of this question, we can write my article's true 18 multiplied by 60 Revolution rewarded by to multiply way 3.14 minutes. So this review us my cycles too. 1 72 revolutions per minute, the less But which is be off this question. We have to kill Linda time, period. So we ride requesting for time, period as peoples to Peter divided by omega. So writing the values for this pee dia no mega we will get people's too to multiply way 3.14 radiant. You want anybody 1 99 radiance per second. So this will give us people stool 0.349 seconds. So end of the question

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