An example is free fall ,
        
                    
             
        
        
        
Answer:
5m
Explanation:
Using Pythagoras theorem,
a^2+ b^2=c^2
3^2+4^2=c^2
25=c^2
√(25)=c
5m=c
 
        
             
        
        
        
Answer:
A)  q = -8.488 cm
,  B)  m = 0.29
Explanation:
A) For this exercise in geometric optics, we will use the equation of the constructor
            
where p and q are the distance to the object and image, respectively and f is the focal length
in our case the distance the object is p = 29 cm the focal length of a diverging lens is negative and indicates that it is f = - 12 cm
          
      
we calculate
           
            = - 0.1178
 = - 0.1178
           q = -8.488 cm
the negative sign indicates that the image is virtual
B) the magnification is given
           
        
we substitute
           m =  
           m = 0.29
the positive sign indicates that the image is right
 
        
             
        
        
        
You need to move the decimal point between the six and nine. 6.9 X 10^-4
        
             
        
        
        
Answer:
the can's kinetic energy is 0.42 J
Explanation:
given information:
Mass, m = 460 g = 0.46 kg
diameter, d = 6 cm, so r = d/2 = 6/2 = 3 cm = 0.03 m
velocity, v = 1.1 m/s
the kinetic energy of the can is the total of kinetic energy of the translation and rotational.
KE =  I ω^2 +
 I ω^2 + 
where
I =  and ω =
 and ω = 
thus,
KE =  
  (
 ( )^2 +
)^2 + 
      =  
  
  +
 + 
      =  +
 + 
      = 
      =  
 
      = 0.42 J