What do wind turbines, hydroelectric dams, and ethanol plants have in common?
a. all pr...
What do wind turbines, hydroelectric dams, and ethanol plants have in common?
a. all produce electrical current with pollution
b. all use generators to produce electrical current
c. all convert gravitational potential energy to electrical current
d. all convert thermal energy to electrical current
Answers: 3
Physics, 21.06.2019 16:30
In which scenario is the least amount of work done on a crate? a force of 120 n moves it 25 m. a force of 115 n moves it 26 m. a force of 130 n moves it 22 m. a force of 125 n moves it 27 m.
Answers: 1
Physics, 22.06.2019 17:30
Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.
Answers: 1
Physics, 22.06.2019 17:30
Frequency of electromagnetic waves that a radio station is assigned is called
Answers: 1
Physics, 22.06.2019 17:30
Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity
Answers: 3
Social Studies, 15.11.2020 01:20
Physics, 15.11.2020 01:20
History, 15.11.2020 01:20
Mathematics, 15.11.2020 01:20
Biology, 15.11.2020 01:20
Physics, 15.11.2020 01:20
Mathematics, 15.11.2020 01:20
Geography, 15.11.2020 01:20
Physics, 15.11.2020 01:20
Biology, 15.11.2020 01:30
Biology, 15.11.2020 01:30
Biology, 15.11.2020 01:30
Chemistry, 15.11.2020 01:30