Answers: 2
Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
Physics, 22.06.2019 10:40
Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v
Answers: 1
Physics, 22.06.2019 21:30
What ia the energy of an object because of its potential and kinetic energies
Answers: 1
A person with a mass of 60 kg stands on a scale in an elevator. What will the scale read (apparent w...
Mathematics, 18.06.2021 07:20
Biology, 18.06.2021 07:20
Mathematics, 18.06.2021 07:20
Chemistry, 18.06.2021 07:20
Computers and Technology, 18.06.2021 07:20
Biology, 18.06.2021 07:20
Mathematics, 18.06.2021 07:20
Mathematics, 18.06.2021 07:20
Biology, 18.06.2021 07:20
Chemistry, 18.06.2021 07:20