Physics, 22.05.2021 14:00 savskye1767
A hydroelectric power facility converts the gravitational potential energy of water behind a dam to electric energy. What is the gravitational
potential energy relative to the generators of a lake of volume 50.0 kmº (mass = 5.00 x 1013 kg), given that the lake has an average height of
40.0 m above the generators?
Оа
Ob
Ос
Od
1.96 x 10^16)
19600)
2 x 10^15)
490)
Answers: 1
Physics, 21.06.2019 23:10
Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net
Answers: 1
Physics, 22.06.2019 06:30
2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.
Answers: 2
Physics, 22.06.2019 12:00
Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.
Answers: 1
Physics, 22.06.2019 14:00
Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.
Answers: 1
A hydroelectric power facility converts the gravitational potential energy of water behind a dam to...
Mathematics, 05.05.2020 09:09
Mathematics, 05.05.2020 09:09
Spanish, 05.05.2020 09:09
Mathematics, 05.05.2020 09:09
Mathematics, 05.05.2020 09:09
Physics, 05.05.2020 09:09
Spanish, 05.05.2020 09:09
Mathematics, 05.05.2020 09:09