Answer: It wouldn't be as modern as today is we would be back to using oil and other things from back then there wouldn't be cars everything would be less machined.
 
        
             
        
        
        
Answer:
Explanation:
Given
Power Supplied ![[tex]P_{input}=4\ kW](https://tex.z-dn.net/?f=%5Btex%5DP_%7Binput%7D%3D4%5C%20kW) [/tex]
[/tex]
Efficiency of the motor 
and 



So, vacuum cleaner delivers a power of 
 
        
             
        
        
        
Answer:
The answer is C
Explanation:
The magnitude of the gravitational force depends inversely on the square of the radial distance between the centers of the two masses. Thus, essentially, the force can only fall to zero, when the denominator that is r becomes infinite.
 
        
             
        
        
        
Eleven truly inspiring adjectives !
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