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The position vector r(t) = 5ti+2tj+4tk describes the path of an object moving in space. Find the speed s(t) of the object. s(t)=√√√33 Os(t) = 11 ○ s(t)=√√√31 Os(t) = 45 ○s(t)=3-√√5

The position vector r(t) = 5ti+2tj+4tk describes the path of an object moving in space. Find the speed s(t) of the object. s(t)=√√√33 Os(t) = 11 ○ s(t)=√√√31 Os(t) = 45 ○s(t)=3-√√5

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 18T
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> O e³ti+cos(5t)j +3sin(5t)k O e³t 3 i+cos(5t)j +3sin(5t)k Question 7 0 The position vector r(t) = 5ti+2tj+4tk describes the path of an object moving in space. Find the speed s(t) of the object. ○ s(t)=√√33 () s(t) = 11 ○s(t)=√√31 Os(t) = 45 ○ s(t)=3√√5 Question 8 logi The position vector r(t) = (4cos(t), 7 sin(t), 572) describes the path of an object moving in space. Find the velocity v(t) of the object. F9 B F10 F11 F12 C backspace print screen insert scroll lock break WERE home end HEAS page up page down num lock 7 home 8 9 pg up LO 5 O
Transcribed Image Text:> O e³ti+cos(5t)j +3sin(5t)k O e³t 3 i+cos(5t)j +3sin(5t)k Question 7 0 The position vector r(t) = 5ti+2tj+4tk describes the path of an object moving in space. Find the speed s(t) of the object. ○ s(t)=√√33 () s(t) = 11 ○s(t)=√√31 Os(t) = 45 ○ s(t)=3√√5 Question 8 logi The position vector r(t) = (4cos(t), 7 sin(t), 572) describes the path of an object moving in space. Find the velocity v(t) of the object. F9 B F10 F11 F12 C backspace print screen insert scroll lock break WERE home end HEAS page up page down num lock 7 home 8 9 pg up LO 5 O
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