Answer:
the switching circuitry is opened the soft iron armature is replaced to tasty le macha the switching circuitry is closed explain what happens when the switch circuit is a wonder you know about the characteristics of open to close this which right take the example of an electric generator for an electric motor which rotates in half rotation and change the armature and just try it ok I am sorry
 
        
             
        
        
        
Answer: 0.0146m
Explanation: The formula that defines the velocity of a simple harmonic motion is given as 
v = ω√A² - x²
Where v = linear velocity, A = amplitude = 1.69cm = 0.0169m, x = displacement. 
The maximum speed of a simple harmonic motion is derived when x = A, hence v = ωA
One half of maximum speed = speed of motion 
3ωA/2 = ω√A² - x²
ω cancels out on both sides of the equation, hence we have that 
A/2 = √A² - x²
 (0.0169)/2 = √(0.0169² - x²) 
0.00845 = √(0.0169² - x²) 
By squaring both sides, we have that 
0.00845² = 0.0169² - x²
x² = 0.0169² - 0.00845²
x² = 0.0002142
x = √0.0002142 
x = 0.0146m
 
        
             
        
        
        
C) total linear momentum of the ball and cannon is conserved. 
Basically it happens that in the beginning before there is a momentum acting on the two bodies, these are a unique system. Here the total momentum of the System is 0. However, when the positive momentum of the cannonball is added, the system will be immediately affected by a negative momentum which will pull back the cannon. Could this be extrapolated as a condition of Newton's third law.