A disk of radius 26.0 cm is free to turn about an axle perpendicularto it through its center. It has very thin but strong string wrappedaround its rim, and the string is attached to a ball that is pulledtangentially away from the rim of the disk (Figure 1). The pullincreases in magnitude and produces an acceleration of the ball thatobeys the equation a (t) = At, where t is in seconds and A is aFind A.Express your answer in meters per second cubed.Γ ΑΣφ.?constant. The cylinder starts from rest, and at the end of the thirdsecond, the ball's acceleration is 2.30 m/s?.A =m/s3SubmitRequest AnswerPart BExpress the angular acceleration of the disk as a function of time.Express your answer in radians per second cubed multiplied by t.?a(t) =(rad/s)tSubmitRequest AnswerPart CHow much time after the disk has begun to turn does it reach an angular speed of 18.0 rad/s?Figure< 1 of 1 >Express your answer in seconds.V AEOΑΣφBallt =SPullSubmitRequest AnswerDiskPart DThrough what angle has the disk turned just as it reaches 18.0 rad/s? (Hint: See Section 2.6 in the textbook.)Express your answer in radians.

The rotational analogue of linear kinematic quantities are given as- Angular displacement is ,…

A disk of radius 26.0 cm is free to turn about an axle perpendicular to it through its center. It has very thin but strong string wrapped around its rim, and the string is attached to a ball that is pulled tangentially away from the rim of the disk (Figure 1). The pull increases in magnitude and produces an acceleration of the ball that obeys the equation a (t) = At, where t is in seconds and A is a constant. The cylinder starts from rest, and at the end of the third second, the bal's acceleration is 2.30 m/s?.

A disk of radius 26.0 cm is free to turn about an axle perpendicular to it through its center. It has very thin but strong string wrapped around its rim, and the string is attached to a ball that is pulled tangentially away from the rim of the disk (Figure 1). The pull increases in magnitude and produces an acceleration of the ball that obeys the equation a (t) = At, where t is in seconds and A is a constant. The cylinder starts from rest, and at the end of the third second, the bal's acceleration is 2.30 m/s?.

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter10: Fixed-axis Rotation

Section: Chapter Questions

Problem 10.2CYU: Check Your Understanding A centrifuge used in DNA extraction spins at a maximum rate of 7000 rpm,...

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