The newest generation of smart phone uses three different batteries connected in a series simultaneously to extend battery life
1 answer:
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Answer:
0.12 m
Explanation:
The mass of the steel hemisphere is:
Mass of the aluminium cylinder is:
mass center of steel hemisphere from the bottom:
mass center of aluminium cylinder from the bottom:
center of mass is
For this case we have that by definition, physical power refers to the amount of work done for a unit of time.
So:
Where:
W: It's the work
t: It's time
The power units are in
So, according to the problem data we have:
Clearing the work of the formula:
Thus, the work is 1200 joules.
Answer:
Option C
The boat's position relative to its starting point
is determined by
where is its initial velocity,
is its acceleration, and
is time. After
, the boat has traveled