## Fundamentals of Physics Extended (10th Edition)

Published by Wiley

# Chapter 4 - Motion in Two and Three Dimensions - Problems: 13b

#### Answer

a = $8j$

#### Work Step by Step

From part a, we found that the velocity vector was: $8tj + k$ To find the acceleration we need to take the derivative of the velocity vector or $\frac{d}{dt} ( 8tj + k ) = 8j + 0k$ Therefore, the answer is $8j$

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