Answer:
yyyggggggggggggggthhgggggyyyyy
Explanation:
yyygggggggggggg
 
        
             
        
        
        
Answer:
Δμ = hΔf/B
Explanation:
If the photon energy , ΔE = hΔf where Δf = small frequency shift and since the potential energy change of the magnetic dipole moment μ in magnetic field B from parallel to anti-parallel state is ΔU = ΔμB. where Δμ = small shift in magnetic moment.
Since the magnetic energy change equals the photon energy,
ΔE = ΔU
hΔf = ΔμB
Δμ = hΔf/B
 
        
             
        
        
        
Answer:
Impulse = Average force x time of contact 
Explanation:
Impulsive force is a force which is very large but applied on a body for a very small duration of time. 
Impulse is given by the change in momentum of the body. 
Impulse = Average force x small time interval
When padding is there, the time interval of contact is large and thus, the force exerted by the body is small. 
So, when a person falls on the tile floor, there is no compression and thus, the time of contact is very small and thus the impulsive force is very large, due to  which the body may damage. 
So, when a person falls on the carpeted floor, there is a compression and thus, the time of contact is comparatively large and thus the impulsive force is small, due to  which the body may safe. 
 
        
             
        
        
        
Answer:
The force is  
Explanation:
The diagram for this question is shown on the first uploaded image 
    From the question we are told that 
           The weight of the gate is 
   
The vertical component of F is  
    From the diagram , taking moment about the pivot we have  
                 
Where  is the weight of the gate evaluated as
  is the weight of the gate evaluated as 
              
=>        
=>         
=>      
 
        
             
        
        
        
<span>An observation of the red shift of galaxies suggests that the universe is expanding. The correct option among all the options that are given in the question is the first option or option "a". I hope that this is the answer that you were looking for and it has actually come to your help.</span>