the lithosphere of the earth is divided into a small number of plates which float on and travel independently over the mantle and much of the earth's seismic activity occurs at the boundaries of these plates.
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Answer:
The answer is <u>True</u>
Explanation:
In every human endavour, anger and envy has been part of human existence. This is as result of the concious or uncousious comparison of people's actions and achievement.
<em>For example, in a situation two individuals studied for a particular exam at the sametime and same no of hours was applied during study. After the exam has been written and the results are out, Person A scoring higher than Person B would definitely create anger and envy in Person considering the fact that both spent equal number of hours during preparation for the exams.</em>
The mechanical energy of an object is equivalent to the sum of its potential and kinetic energy. If the helicopter is grounded, then its mechanical energy will be 20 J. If it is in the air, then its potential energy will be calculated using:P.E = mghAnd then added to the kinetic energy to obtain mechanical energy.
