A Uniform Solid Sphere of Mass M and Radius R $\theta$

question 24

Multiple Choice

A uniform solid sphere of mass M and radius R is rolling without slipping along a level plane when it encounters a ramp that is at an angle of $\theta$ = 32.0^o above horizontal.The maximum distance that the sphere rolls without slipping up the ramp before (instantaneously) stopping and rolling back down is 3.15 m.What was the linear speed of the sphere before it encountered the ramp?

• A)3.69 m/s
• B)4.84 m/s
• C)6.12 m/s
• D)7.86 m/s
• E)None are correct.

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Definitions:

Reinforcement

A process in behavioral psychology that increases the likelihood of a response by adding or removing a stimulus after the behavior.

Schedule

A plan that designates specific times at which certain tasks or events should occur.

Reinforcers

In psychology, stimuli which, when presented after a behavior, increase the likelihood of that behavior being repeated in the future.

Positive Reinforcements

The introduction of rewarding stimuli following a desired behavior to increase the likelihood of it being repeated.