Answer:
Explanation:
BMI= weight/(height × height)          ; weight in kilogram and height in metter
      = 58kg / (1.61m  × 1.61m )
      = (58/ 2.5921) kg/
      = 22.375  kg/
      ≈ 22.4 kg/
 
        
             
        
        
        
Answer:
It's effective temperature.
Explanation:
 
        
             
        
        
        
Answer:
the object will travel 0.66 meters before to stop.
Explanation:
Using the energy conservation theorem:

The work done by the friction force is given by:
![W_f=F_f*d\\W_f=\µ*m*g*d\\W_f=0.35*4*9.81*d\\W_f=13.7d[J]](https://tex.z-dn.net/?f=W_f%3DF_f%2Ad%5C%5CW_f%3D%5C%C2%B5%2Am%2Ag%2Ad%5C%5CW_f%3D0.35%2A4%2A9.81%2Ad%5C%5CW_f%3D13.7d%5BJ%5D)
so:

 
        
             
        
        
        
Answer:
so maximum velocity for walk on the surface of europa is  0.950999 m/s
Explanation:
Given data 
legs of length r =  0.68 m
diameter = 3100 km
mass = 4.8×10^22 kg
to find out 
maximum velocity for walk on the surface of europa
solution
first we calculate radius that is 
radius = d/2 = 3100 /2 = 1550 km
radius = 1550 × 10³ m
so we calculate no maximum velocity that is
max velocity = √(gr)    ...............1
here r is length of leg
we know g = GM/r²   from universal gravitational law
so G we know 6.67 ×  N-m²/kg²
 N-m²/kg²
g = 6.67 ×  ( 4.8×10^22 ) / ( 1550 × 10³ )
 ( 4.8×10^22 ) / ( 1550 × 10³ ) 
g = 1.33 m/s²
now
we put all value in equation 1 
max velocity = √(1.33 × 0.68) 
max velocity = 0.950999 m/s
so maximum velocity for walk on the surface of europa is  0.950999 m/s
 
        
             
        
        
        
D is the correct answer!!