Answer
$a). 27.44 m/s$
$b). 38.4m$
Work Step by Step
a). $v=u+at$
$v=0+(9.8\times2.8)=27.44m/s$
b). $S=ut+\frac{1}{2}at^{2}=0+(0.5\times 9.8\times 2.8^{2})=38.4m$
College Physics (7th Edition)
by Wilson, Jerry D.; Buffa, Anthony J.; Lou, Bo
Published by
Pearson
ISBN 10:
0-32160-183-1
ISBN 13:
978-0-32160-183-4
Chapter 2 - Kinematics: Description of Motion - Learning Path Questions and Exercises - Exercises - Page 63: 59
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