A particle's position is given by z(t) = −(7.30 m/s2)t2 for t ≥ 0. (Express your answer in vector form.) (a) Find the particle's velocity at t = 2.50 s and t = 3.25 s. (b) What is the particle's average velocity during the time interval from t = 2.50 s to t = 3.25 s?

A particle's position is given by z(t) = −(7.30 m/s2)t2 for t ≥ 0. (Express your answer in vector form.) (a) Find the particle's velocity at t = 2.50 s and t = 3.25 s. (b) What is the particle's average velocity during the time interval from t = 2.50 s to t = 3.25 s?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

A particle's position is given by

z(t) = −(7.30 m/s²)t²

for

t ≥ 0.

(Express your answer in vector form.)

(a) Find the particle's velocity at

t = 2.50 s

and

t = 3.25 s.

(b) What is the particle's average velocity during the time interval from

t = 2.50 s

t = 3.25 s?

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