Answer:
workdone by the person in J is 445.92J
Explanation:
workdone= force x total distance
force= mass x acceleration due to gravity(g)\
mass=4.5kg
g=9.81m/s
force= 4.5 x 9.81 =44.15N
total distance=1.4+8.7=10.1m
workdone=44.15 x 10.1
=445.92J
<span>Manifest Destiny was the belief that United States was destined to expand from the Atlantic seaboard to the Pacific Ocean; it has also been used to advocate for or justify other territorial acquisitions</span>
<span>The labor movement knew of the need to protect the common interest of workers. those in the industrial sector, organized labor unions fought for better wages, reasonable hours and safer working conditions.</span>