Answer:
4.5s
Explanation:
A sports car accelerates from zero to 30 mph in 1.5 s.
 
        
                    
             
        
        
        
Answer:
P V = N R T     ideal gas equation
P2 / P1 = T2 / T1       where the other variables are constant
P2 = (T2 / T1) * P1 = (313 / 293) * 40 psi = 42.7 psi 
 
        
             
        
        
        
Infared = used by police
gamma = short wavelength
radio = largest wavelength
visible = only ones we can see
 
        
                    
             
        
        
        
They move in a waves motion
        
                    
             
        
        
        
Answer:
Option (c) : 20°C
Explanation:

T(final) = 500* 10 + 100*70/600 = 20°C