Answers: 2
Physics, 22.06.2019 17:50
Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system
Answers: 2
Physics, 23.06.2019 02:30
Atrain is traveling at 30.0 m/s relative to the ground in still air. the frequency of the note emitted by the train whistle is 262 hz. the speed of sound in air should be taken as 344 m/s. what frequency (f approach) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and approaching it? what frequency (f recede) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and receding from it?
Answers: 1
Physics, 23.06.2019 09:00
A10 kg shark swimming at 5m/s swallows an absent-minded 0.5 kg fish that is originally at rest. what is the speed of the large fish after eating the smaller fish?
Answers: 1
What environmental conditions might cause damage to the alveolar sacs, and what would be the consequ...
History, 04.11.2021 15:50
Computers and Technology, 04.11.2021 15:50
Mathematics, 04.11.2021 15:50
Mathematics, 04.11.2021 15:50
Computers and Technology, 04.11.2021 15:50
Mathematics, 04.11.2021 15:50
Mathematics, 04.11.2021 15:50
Mathematics, 04.11.2021 15:50
History, 04.11.2021 15:50