Answer:
C. Friction between the box and the floor is 25N to the left
Explanation:
 
        
                    
             
        
        
        
Answer:
When we talk about residential uses of energy, these are the most basic uses of energy . They include watching television, washing clothes, heating and lighting at home , taking a shower, working from home on your laptop or computer, running appliances and cooking. 
 
        
             
        
        
        
Answer:
The diameter of the bull-wheel is 3.82 
Explanation:
Given that,
Velocity = 2.0 m/s
Angular velocity = 10 rev/m


We need to calculate the diameter of bull-wheel
Using formula of angular velocity


Put the value into the formula


The diameter of the bull-wheel 



Hence, The diameter of the bull-wheel is 3.82 m.
 
        
             
        
        
        
Answer:The term atomic number, conventionally denoted by the symbol Z, indicates number of protons present in the nucleus of an atom, which is also equal to the number of electrons in an uncharged atom. The number of neutrons is represented by the neutron number (N)
Explanation: