The nucleus of a large atom splits and two smaller atoms are formed. Energy is released in the process. What is the name of this
2 answers:
Answer: Nuclear Fission
Explanation:
Nuclear fission reactions are one of the nuclear reactions in which heavier nuclei splits into two or more lighter nuclei. In these reactions, neutrons are released with a large amount of energy.
General equation for nuclear fission reactions is given by:
Nuclear fusion reactions are one of the nuclear reactions in which two or more lighter nuclei combines to form heavier nuclei. In these reactions, large amount of energy is released.
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Answer:
Explanation:
Most of the power developed by the engine is used to compensate for the mechanical energy loss due to frictional forces because these are the only forces on the horizontal direction the automobile is subjected to, besides of that generated by the engine itself. If the automobile is moving at constant speed, then these the force the engine provides is equal to the total friction force acting on the car.
We calculate then the force the engine provides. We know that power relates to work by the equation , and that work relates to force by the equation
, so combining them we have:
Which can be written as:
And since are
, for our values the force the engine provides is:
Which is also then the total friction force acting on the car.