iPad ENT RESOURCES rk 2 er 03, Problem 001 r 03, Problem 003 r 03 Problem 008 04

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iPad ENT RESOURCES rk 2 er 03, Problem 001 r 03, Problem 003 r 03 Problem 008 04, Problem 011 r 04, Problem 016 er 04, Problem 021 or 04, Problem 028 r 04, Problem 058 04, Problem 062 Core 2:25 PM edugen wileyplus.com Homework Help Ask A Question I Chegg.com Wiley PLUS MESSAGE MY INSTRUCTOR FULL SCREEN PRINTER VERSION BACK NEXT Chapter 04, Problem 016 Your answer is partially correct. Try again The velocity v of a particle moving in the xy plane is given by v 5.0t 4. St i 8.4 j with v in meters per second and t 0) in seconds. At t 1.0 s and in unit-vector notation, what are (a) the x component and (b) the y component of the acceleration? (c) When (if ever) is the acceleration zero? (d) At what positive time does the speed equal 10 m/s? (a) Number 4 Unit m/s 2 (b) Number 0 Unit m/s 2 unit (c) Number 0.56 Unit (d) Number 29.44 Click if you would like to show Work for this question Open Show Work SHOW HINT

Explanation / Answer

20.25x^4 - 45x^3 + 25x^2 - 29.44 = 0
The equation has 2 real roots and 2 complex roots
x1 = 1.7861609
x2 = -0.6750498
x3 = 0.5555556+0.9471566i
x4 = 0.5555556-0.9471566i

u can try 1.786 sec....

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