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
Answer:
SERF
(Middle Ages) a person who is bound to the land and owned by the feudal lord
Slave
4. In a command economy, individuals have less economic freedom.
When there's a telephone bomb threat, it's important to keep the caller on the line as long as possible.
<h3>What is a threat?</h3>
A threat simply means a statement of intention to causes harm or injury to another person.
In the event of a telephone bomb threat, it is important to keep the caller on the line as long as possible.
Also, be polite and show interest to keep talking to the person and then signal a note to other staffs to contact the appropriate authority.
Learn more about threats on:
brainly.com/question/25758530