The formula for average speed is S=D/T
1. S=72m/37s
Divide
S= 1.94
Kira's average speed is 1.94m/s.
2. S=7.5km / 1.5h
S=5
Your average speed is 5km/h
3. S=1260km/3.5h
S=360
The airplanes average speed is 360km/h
        
             
        
        
        
The answer is C.
The Kinetic energy which was exerted and experience pulling the string of a bow is kept as a potential energy at the end of the arrow in contact with the string. Once release from aim at stationary position the potential energy is again transformed.
        
             
        
        
        
An initiator is someone who starts something. Example: She initiated the fight.
        
             
        
        
        
To develop this problem it is necessary to apply the concepts related to a magnetic field in spheres.
By definition we know that the magnetic field in a sphere can be described as

Where,
a = Radius
z = Distance to the magnetic field
I = Current
 Permeability constant in free space
 Permeability constant in free space 
Our values are given as
 diameter of the sphere then,
 diameter of the sphere then,

Thus z = a 



Re-arrange to find I,



Therefore the current at the pole of this sphere is 
 
        
             
        
        
        
Nothing at all it can't get
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