Life stress is bad on the fold
        
             
        
        
        
answer :
D. 6370.92 m
Explanation:
pls refer to the attachment...
 
        
             
        
        
        
Answer:
8.56 m/s2
Explanation:
Using law of energy conservation while taking into account of the rotational and translation kinetic energy, when the solid cylinder rolls down the incline we have the potential energy converted to kinetic energy:


where m is the mass,  is the moments of inertia of the solid cylinder
 is the moments of inertia of the solid cylinder  is the angular speed of the cylinder
 is the angular speed of the cylinder



So if you plot a liner chart of h vs  and get a slope of 6.42 then that means 3/(4g) = 6.42 so
 and get a slope of 6.42 then that means 3/(4g) = 6.42 so 
The gravitational acceleration on this planet is 8.56 m/s2
 
        
             
        
        
        
Answer:
No machine is free from the effects of gravity, and even with wonderful lubrication, friction always exists. The energy a machine produces is always less than the energy put into it (energy input). ... That is why 100% efficiency in machines shall not be possible.