Answer:
F=1.14N j
Explanation:
The magnitude of the magnetic force over a charge in a constant magnetic field is given by the formula:
 (|)
  (|)
In this case v and B vectors are perpendicular between them. Furthermore the direction of the magnetic force is:
-i X k = +j
Finally, by replacing in (1) we obtain:

hope this helps!
 
        
                    
             
        
        
        
6 is b. part B on 6 is a. 7 is a. partB ON 7 b
        
             
        
        
        
Well YOU cant make your questions verified. if theres more than one answer to the question the person who asked the question will choose the best answer. usually based upon like how well it explains and if its the right answer
        
                    
             
        
        
        
a = 7.8 m/s^2
Explanation:
Let Fnet = net force = ma
 m = mass of the skydiver 
 a = acceleration caused by Fnet
 W = weight = mg
 f(air) = frictional force due to air resistance 
Fnet = W - f(air)
 = (100 kg)(9.8 m/s^2) - (200 N)
 = 780 N
Therefore, the acceleration of the skydiver due to Fnet is
a = Fnet/m
 = (780 N)/(100 kg)
 = 7.8 m/s^2