A ball rolls down an inclined plane such that the distance (in cm) it rolls in t seconds is given by s(t) 2r + 3r +4, where 0 sis 3 (see figure). (a) What is the velocity of the ball at t 2? (b) At what time is the velocity 30 cm/sec? -s(1)-

A ball rolls down an inclined plane such that the distance (in cm) it rolls in t seconds is given by s(t) 2r + 3r +4, where 0 sis 3 (see figure). (a) What is the velocity of the ball at t 2? (b) At what time is the velocity 30 cm/sec? -s(1)-

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 28P: In a classic clip on Americas Funniest Home Videos, a sleeping cat rolls gently off the top of a...

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Distance and Speed

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Question

A ball rolls down an inclined plane such that the distance
(in cm) it rolls in t seconds is given by s(t) 2r + 3r +4,
where 0 sis 3 (see figure).
(a) What is the velocity of the ball at t= 2?
(b) At what time is the velocity 30 cm/sec?
-s(t)-

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