Answer:
Energy Ouput (Useful) / Total Energy Input = 4000 / 4800 = .833
E = 83% assuming 4800 is actually input to fan
Answer:
these are the correct ones
Explanation:
It states that energy neither be created nor be destroyed.energy may only be transform from one form to another. example mechanical energy= ek + ep
An insurance company wants people to avoid risks because if the person meets with an accsident the expense of the medicines and treatment should be covered by the insurance company.
