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.
The northeast has the smallest states.
Rhode Island, Delaware, Conneticut, New Jersey, Maryland, New Hampshire, Vermont, and Massachusetts.
Answer:
c. Going to the mall if that is what you liked best.
Explanation:
When evaluating the opportunity cost of any move or event we consider the alternate option that was not taken because the other opportunity was chosen ahead of it. Here, the action that was chosen was going to the movies and the opportunity cost of going to the movies would be what they liked or valued the most. Option c states that going to the mall if that is what you liked best and if they liked it best or most then it was most valued or preferred and therefore will be the opportunity cost of going to the movies.
Answer:
B.
Developing agricultural systems abroad is important because the land in other countries is similar to the land in the United States.
Explanation:
