Answer:
This indicates the project should not be undertaken.
Explanation:
As we can see from the cost estimation, that the profit is very less than that of the cost. And before evaluating any project we first check it benefit cost ratio. Which is an important factor to judge or to check whether the project is profitable or not. Even though it might help the public but on the other hand that loss will be unbearable. That money could be used for that public on certain other ways. Or can be used for the maintenance of the previously available rail lines
Law of conservation of momentum answer
The answer would be ( F.)
Convection is the main method of heat transfer in fluids such as water and air.
highest energy level to the ground state.
Explanation:
The transition from the highest energy level to the ground state.
An electron has a discrete amount of energy accrued to it in any energy level it belongs to.
Electrons can transition between one energy level or the other.
- When electrons change state, they either release or absorb energy.
- When an atom absorbs energy, they move from their ground to final state which is consistent with the energy of the final state.
- When electrons release energy, they move from excited state to their ground state.
- Electrons will release the greatest amount of energy when they move from the highest energy level to the ground state.
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Answer:
Power output: W=1426.9MW
Explanation:
The power output of the falls is given mainly by its change in potential energy:
The potential energy for any point can be calculated as:
If we consider the base of the falls to be the reference height, at point 2 h=0, so P2=0, and height at point 1 equals 52m:
If we replace m with the mass rate M we obtain the rate of change in potential energy over time, so the power generated: