It depends where its saying this. If its and advertisment then the purpose is to use health facts in order to persuade the reader to buy the fruit drink,if its in an artical then probably someone with a bias against soda is trying to convince you to switch to drinking fruit juice.
Answer:

Explanation:
Given,
Mass of ball
kg
Speed of ball
m/s
Mass of persona
kg
(a) The person is at rest initially. So, by the conservation of momentum

(b) Final speed of ball

Build a brand new dialysis machine to help my friend which is portable so she can still carry on with activities instead of spending 12 hours in bed.
The answer is the second option "watt." Watt is the unit of power measured by one joule per second. Watts are a amount of electrical power and measured by the rate of energy transfer between two things.
Hope this helps.