Answer:
17.15 m/s
Explanation:
This is a case of free fall, so we can use the next equation:

where
is the final velocity
is the initial velocity (0 in this case)
is the acceleration of gravity 
and
is the height at wich the ballon was pitched.
So we have:
The final velocity, the velocity of the ballon when it hits the ground is 17.15m/s.
C is correct answer ......
Answer:
Option D
Explanation:
As per French mining engineer Henri Fayol, management as a process involves five elements -
a) Planning
b) Organizing
c) Commanding (leading)
d) Coordinating
e) Controlling.
Hence, all the three elements i.e Planning, organizing and Leading are present
Hence, option D is correct
The act of taking actions that carry out the company's plan is a key part of the control process is a false statement.
<h3>What is the control process?</h3>
The control process is one that entails a carefully act of collecting information in regards to a system, process, as well as person, so as to necessary decisions about them.
Hence, The act of taking actions that carry out the company's plan is a key part of the control process is a false statement.
Learn more about control process from
brainly.com/question/14051119
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