Answer:

Explanation:
We have given initial length of the steel guitar l = 1 m
Cross sectional area 
Young's modulus 
Force F = 1500 N
So stress 
We know that young's modulus 
So 

Now strain 


Hey!!
here is your answer>>>
Volaltage = It is the power to push the electrons
Capacitance = The ability to store electrical energy!.
Hope my answer helps!
Answer : 5m/s
Explanation:the formular for velocity is distance /time or you can say displacement /time. Then it would then be
100/20 =5m/s