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Consider the motion along the straight line r(t) = (1, 2, 7) + t(1,1,1). (a) What is the velocity and speed of r? Are they constant? (b) Does the motion s(t) = (2, 3, 8) + t³(1, 1, 1) go along the same straight line? (c) What is the velocity and speed of s? Are they constant?

Consider the motion along the straight line r(t) = (1, 2, 7) + t(1,1,1). (a) What is the velocity and speed of r? Are they constant? (b) Does the motion s(t) = (2, 3, 8) + t³(1, 1, 1) go along the same straight line? (c) What is the velocity and speed of s? Are they constant?

College Physics
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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Consider the motion along the straight line r(t) = (1, 2,7) + t(1,1,1). (a) What is the velocity and speed of r? Are they constant? (b) Does the motion s(t) = (2,3,8) + t³(1,1,1) go along the same straight line? (c) What is the velocity and speed of s? Are they constant?
Transcribed Image Text:Consider the motion along the straight line r(t) = (1, 2,7) + t(1,1,1). (a) What is the velocity and speed of r? Are they constant? (b) Does the motion s(t) = (2,3,8) + t³(1,1,1) go along the same straight line? (c) What is the velocity and speed of s? Are they constant?
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Step 1: Required:

Consider the motion along the straight line r(t) = <1,2,7> + t<1,1,1>.

(a) What is the velocity and speed of r? Are they constant? 

(b) Does the motion s(t) = <2,3,8> + t^3<1,1,1> go along the same straight line? 

(c) What is the velocity and speed of s? Are they constant?

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