Answer:
The initial angular speed of the CD is equal to 14.73 rad/s.
Explanation:
Given that,
Angular displacement, 
Final angular speed, 
The acceleration of the CD,
We need to find the initial angular speed of the CD. Using third equation of kinematics to find it such that,
Put all the values,
So, the initial angular speed of the CD is equal to 14.73 rad/s.
Answer:
Limewater can be used to detect carbon dioxide. If carbon dioxide is bubbled through limewater then it turns from clear to cloudy/milky in colour. This is why limewater used in a simple respirometer can show that more carbon dioxide is present in exhaled air compared to inhaled air.
Explanation:
Biology, Chemistry and Physics
<span>In a single cell organism, the
absorption of nutrients and control of certain things to <span>come inside or go outside the cell directly involves
the cell membrane. Although, the basic function of the cell membrane is to
protect the cell from its surroundings. It also facilitates the transport of
substances needed for survival.</span></span>
