A particle's motion is described by the equation X(t) = 3t2 + 5t + 2. Find: its instantaneous speed at t = 4 s.

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter4: Motion In Two And Three Dimensions
Section: Chapter Questions
Problem 24P: Clay Matthews, a linebacker for the Green Bay Packers, can reach a speed of 10.0 m/s. At the start...
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A particle's motion is described by the
equation X(t) = 3t2 + 5t + 2. Find: its
instantaneous speed at t = 4 s.
a. 5 m/s
O b. 19 m/s
O c. 24 m/s
O d. 29 m/s
Transcribed Image Text:A particle's motion is described by the equation X(t) = 3t2 + 5t + 2. Find: its instantaneous speed at t = 4 s. a. 5 m/s O b. 19 m/s O c. 24 m/s O d. 29 m/s
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