6 . A sphere of radius To = 25.0 cm and mass m = 1.20kg startsfrom rest and rolls without slipping down a 36.0° incline that is10.0 m long.Part BCalculate its rotational speed when it reaches the bottom.@=SubmitPart CKtrKrot=SubmitPart DVE ΑΣΦWhat is the ratio of translational to rotational kinetic energy at the bottom?Request AnswerVE ΑΣΦRequest Answerdepends on mass and radius?Odepends on radiusDoes your answer in part A depend on mass or radius of the ball?MacBook Airrad/s?

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Answered: A sphere of radius ro = 25.0 cm and…

A sphere of radius ro = 25.0 cm and mass m = 1.20kg starts from rest and rolls without slipping down a 36.0° incline that is 10.0 m long.

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 120AP: A grindstone with a mass of 50 kg and radius 0.8 m maintains a constant rotation rate of 4.0 rev/s...

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Concept explainers

Angular speed, acceleration and displacement

Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.

Angular Position

Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.

Question

6 .

A sphere of radius To = 25.0 cm and mass m = 1.20kg starts
from rest and rolls without slipping down a 36.0° incline that is
10.0 m long.
Part B
Calculate its rotational speed when it reaches the bottom.
@=
Submit
Part C
Ktr
Krot
=
Submit
Part D
VE ΑΣΦ
What is the ratio of translational to rotational kinetic energy at the bottom?
Request Answer
VE ΑΣΦ
Request Answer
depends on mass and radius
?
Odepends on radius
Does your answer in part A depend on mass or radius of the ball?
MacBook Air
rad/s
?

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