Answer:
(a) 
(b) 
Explanation:
The angular speed is a measure of the rotation speed. Thus, It is defined as the angle rotated by a unit of time:

The arc length in a circle is given by:

s is the length of an arc of the circle, so
.
Replacing (2) in (1):

a) Now, we calculate the angular speed:

b) We use (1) to calculate the time it takes to make one revolution, which means that
is
.

<u>electrial</u><u> </u>
<u> </u><u>In an electrical circuit, electric current flows through the closed path</u>
<u>magnetic</u><u> </u><u>circuit</u><u> </u>
<u>In the magnetic circuit, magnetic flux flows through the closed path</u>
Answer:
A sailboat moves north for a distance of 10.00 km when blown by a wind from the eaxct southeast with a force of 5.00 X 10^4 N. How much work was done by the wind?
Explanation:
The term that is being described above is our CONSCIOUSNESS. When we are conscious, we are fully aware of what we are thinking in any given moment like our thoughts, feelings, memories, and even our sensations. Being conscious makes us feel that we are capable of doing and feeling something for the moment.