College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Distance and Speed
The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –
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e6 help pls how do you complete
A particle moves with position function. s=14-4³-8t² + 25t, t20 (a) At what time does the particle have a velocity of 25 m/s? (Enter your answers as a comma-separated list.) t = S (b) At what time is the acceleration 0? (Round your answer to two decimal places.) t = S What is the significance of this? At this time, the acceleration changes from negative to positive and the velocity attains its minimum value. At this time, the acceleration changes from positive to negative and the velocity attains its minimum value. At this time, the acceleration changes from negative to positive and the velocity attains its maximum value. At this time, the acceleration changes from positive to negative and the velocity attains a value of zero. At this time, the acceleration changes from positive to negative and the velocity attains its maximum value.
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Transcribed Image Text:A particle moves with position function. s=14-4³-8t² + 25t, t20 (a) At what time does the particle have a velocity of 25 m/s? (Enter your answers as a comma-separated list.) t = S (b) At what time is the acceleration 0? (Round your answer to two decimal places.) t = S What is the significance of this? At this time, the acceleration changes from negative to positive and the velocity attains its minimum value. At this time, the acceleration changes from positive to negative and the velocity attains its minimum value. At this time, the acceleration changes from negative to positive and the velocity attains its maximum value. At this time, the acceleration changes from positive to negative and the velocity attains a value of zero. At this time, the acceleration changes from positive to negative and the velocity attains its maximum value.
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