Answer:
(b) In ideal condition we neglect mass of spring but in real springs mass of spring adds another factor to its time period.
since we are adding a factor of mass to the system, and frequency being inversely proportional to squared root of mass, we can come to a general conclusion that it effectively reduces the natural frequency .
Explanation:
kindly check the attachment for explanation.
 
        
             
        
        
        
Answer:
Explanation:
A unit used to measure a vector quantity is the
c) Newton 
 
        
             
        
        
        
<span>Its when lava shoots right out of the ocean floors. Known as Hydrothermal vents </span>