Answer:
0.3384 N
Explanation:
Acceleration = 13 m/s^2
Force = 4.4 N
Force = mass * acceleration
mass = force / acceleration
mass = 4.4 / 13
mass = 0.3384 N
 
        
             
        
        
        
I would say its c . <span>National Academy of Forensic Science</span>
        
             
        
        
        
Answer:
time = 6.67secs
Explanation:
power = workdone( energy) / time 
therefore :
Time = workdone / power 
time = 500 / 75 
time = 6.67secs 
 
        
             
        
        
        
Answer:
b is called the power of base 10.
Explanation:
In the scientific notation form  

the exponent b is called the power of the base 10.
 
        
             
        
        
        
<span>both the speed of the wave and the wavelength
- The frequency does not change, but the speed does. If that is true, then the wavelength must also change.</span>