Physics, 13.12.2019 06:31 joshuakirby
Apendulum of length l is suspended from the ceiling of an elevator. when the elevator is at rest the period of the pendulum is t. how does the period of the pendulum change when the elevator moves upward with constant acceleration?
a) the period decreases.
b) the period increases if the upward acceleration is more than g/2 but decreases if the upward acceleration is less than g/2. c) the period does not change.
d) the period becomes zero.
e) the period increases.
Answers: 2
Physics, 21.06.2019 22:30
During takeoff, the sound intensity level of a jet engine is 170db at a distance of 34 m. what's the sound intensity level at a distance of 1.0 km?
Answers: 2
Physics, 22.06.2019 01:00
Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?
Answers: 1
Physics, 22.06.2019 05:30
Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon
Answers: 2
Physics, 22.06.2019 11:00
Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide? kg • what must the total momentum of the system be after the train cars collide? kg •
Answers: 2
Apendulum of length l is suspended from the ceiling of an elevator. when the elevator is at rest the...
Mathematics, 29.10.2020 21:30
Social Studies, 29.10.2020 21:30
History, 29.10.2020 21:30
Mathematics, 29.10.2020 21:30
Biology, 29.10.2020 21:30
Chemistry, 29.10.2020 21:30
Biology, 29.10.2020 21:30
Mathematics, 29.10.2020 21:30
SAT, 29.10.2020 21:30
Computers and Technology, 29.10.2020 21:30
Mathematics, 29.10.2020 21:30