Physics, 13.12.2019 00:31 daniel9299
Considering only the initial and final situations, identify which mechanical energies have changed. in addition, determine whether you will need to consider any work done by external forces or changes in thermal energy.
check all that apply.
a) kinetic energy has changed.
b) gravitational potential energy has changed.
c) spring potential energy has changed.
d) work by external forces on the system must be considered.
e) thermal energy of the system has changed.
Answers: 1
Physics, 22.06.2019 04:10
An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45∘. what percentage of the initial intensity is transmitted by the system?
Answers: 2
Physics, 23.06.2019 05:40
Which of the following can enter and exit a closed system? a. matter and energy b. neither energy nor matter c. matter but not energy d. enrgy but not matter
Answers: 1
Physics, 23.06.2019 09:50
Estimates show that the total energy output of the sun is 5 × 1026 j/s. what is the corresponding loss in kg/s of the sun?
Answers: 3
Physics, 23.06.2019 13:00
Does a energy transformation happen when you drop your pencil
Answers: 1
Considering only the initial and final situations, identify which mechanical energies have changed....
English, 19.03.2021 18:40
Mathematics, 19.03.2021 18:40
Mathematics, 19.03.2021 18:40
Mathematics, 19.03.2021 18:40
Mathematics, 19.03.2021 18:40
Mathematics, 19.03.2021 18:40
Spanish, 19.03.2021 18:40
History, 19.03.2021 18:40
Mathematics, 19.03.2021 18:40