Answer:
According to Oxford Dictionaries "Precision" means "the quality, condition, or fact of being exact and accurate."
Explanation:
Hope this helps! :)
 
        
                    
             
        
        
        
Answer: 
Explanation:
The Compton Shift  in wavelength when the photons are scattered is given by the following equation:
 in wavelength when the photons are scattered is given by the following equation:
 (1)
     (1)
Where:
 is a constant whose value is given by
 is a constant whose value is given by  , being
, being  the Planck constant,
 the Planck constant,  the mass of the electron and
 the mass of the electron and  the speed of light in vacuum.
 the speed of light in vacuum.
 the angle between incident phhoton and the scatered photon.
 the angle between incident phhoton and the scatered photon.
We are told the maximum Compton shift in wavelength occurs when a photon isscattered through  :
:
 (2)
     (2)
 
    
 (3)
     (3)
Now, let's find the angle that will produce a fourth of this maximum value found in (3):
 (4)
      (4)
 (5)
      (5)
If we want  ,
,  must be equal to 1:
   must be equal to 1:
 (6)
   (6)
Finding  :
:
 
 
 
   
 
   
Finally:
 This is the scattering angle that will produce
    This is the scattering angle that will produce  
       
 
        
             
        
        
        
Answer:

Explanation:
If the stone will reach the top position of flag pole at t = 0.5 s and t = 4.1 s
so here the total time of the motion above the top point of pole is given as

now we have



so this is the speed at the top of flag pole
now we have



now the height of flag pole is given as



 
        
             
        
        
        
Question 1
To find centripetal acceleration, use the formula : centripetal acceleration = v^2/r
so answer would be (3.71)^2/42.85=0.32 (2d.p.)
Question 2
Force =ma
a= (9.98)^2/31.77=3.1350
Force= 3.1350 * 56.63 = 177.54 (2 d.p.)