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Section 12.9 Rolling MotionAn 8.0-cm-diameter, 400 g solid
Chapter 12, Problem 34E(choose chapter or problem)
Problem 34E
Section 12.9 Rolling Motion
An 8.0-cm-diameter, 400 g solid sphere is released from rest at the top of a 2.1-m-long, 25° incline. It rolls, without slipping, to the bottom.
a. What is the sphere’s angular velocity at the bottom of the incline?
b. What fraction of its kinetic energy is rotational?
Questions & Answers
QUESTION:
Problem 34E
Section 12.9 Rolling Motion
An 8.0-cm-diameter, 400 g solid sphere is released from rest at the top of a 2.1-m-long, 25° incline. It rolls, without slipping, to the bottom.
a. What is the sphere’s angular velocity at the bottom of the incline?
b. What fraction of its kinetic energy is rotational?
ANSWER:
Step 1 of 4
In this problem, we have to find the sphere’s angular velocity and also fraction of kinetic energy.