Physics, 28.11.2019 01:31 Naysa150724
In a hydroelectric dam, water falls 30.0m and then spins a turbine to generate electricity.
a) what is ? u of 1.0 kg of water?
express your answer with the appropriate units.
part b
suppose the dam is 80% efficient at converting the water's potential energy to electrical energy. how many kilograms of water must pass through the turbines each second to generate 54.0mw of electricity? this is a typical value for a small hydroelectric dam.
express your answer using three decimal places.
Answers: 3
Physics, 22.06.2019 04:50
Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0โ with respect to the polarizer, what is the intensity of the light that reaches the photocell?
Answers: 1
Physics, 22.06.2019 05:00
The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?
Answers: 2
Physics, 22.06.2019 09:30
Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14รฏโฌรฏยต0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.
Answers: 3
Physics, 22.06.2019 13:30
If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?
Answers: 2
In a hydroelectric dam, water falls 30.0m and then spins a turbine to generate electricity.
Mathematics, 02.03.2021 19:40
Biology, 02.03.2021 19:40
Mathematics, 02.03.2021 19:40
Mathematics, 02.03.2021 19:40
Mathematics, 02.03.2021 19:40
History, 02.03.2021 19:40