Answer:
It makes sense because on that the day  the sun stops moving northward and starts moving southward
Explanation:
 
        
                    
             
        
        
        
O.99 m long .simple pendulum time period is 2s for second formula then use formula T=2pi.rt(lenght/gravity)
        
             
        
        
        
-- Class I lever
The fulcrum is between the effort and the load.
The Mechanical Advantage can be anything, more or less than 1 .
Example:  a see-saw
-- Class II lever
The load is between the fulcrum and the effort.
The Mechanical Advantage is always greater than 1 .
Example:  a nut-cracker, a garlic press
-- Class III lever
The effort is between the fulcrum and the load.
The Mechanical Advantage is always less than 1 .
I can't think of an example right now.
 
        
                    
             
        
        
        
Answer:
(A) It will take 22 sec to come in rest
(b) Work done for coming in rest will be 0.2131 J              
Explanation:
We have given the player turntable initially rotating at speed of 
Now speed is reduced by 75 % 
So final speed 
Time t = 5.5 sec
From first equation of motion we know that '

(a) Now final velocity 
So time t to come in rest  
(b) The work done in coming rest is given by 
