While ionic bonds join metals to nonmetals, and covalent bonds join nonmetals to nonmetals, metallic bonds are responsible for the bondingbetween metal atoms. In metallic bonds, the valence electrons from the s and p orbitals of the interacting metal atoms delocalize.
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1,4,6
a bow is drawn back
a gun is loaded w/ a dart
a bungee cord is stretched
        
                    
             
        
        
        
Explanation:
The first equation of motion in kinematics is given by :
 .....(1)
 .....(1)
u is initial speed
a is acceleration
v is final speed
t is time
Equation (1) is valid when the object is moving with constant acceleration. This equation gives relation between velocity and time. 
 
        
             
        
        
        
Answer:
2 hours
Explanation:
The motorcycle travels 40 km per hour.
80km / 40km/h = 2 hours.