Physics, 17.03.2020 01:18 Dracopaul03
Elephants can create and detect infrasonic sounds—sounds of frequencies lower than about 20 Hz—which can travel long distances. They create these sounds using the cavity that extends from their larynx to the tip of their long trunk. Consider this cavity as a cylindrical air column, of length 4.78 m
Answers: 1
Physics, 22.06.2019 08:40, kayleewoodard
Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?
Answers: 1
Elephants can create and detect infrasonic sounds—sounds of frequencies lower than about 20 Hz—which...
Mathematics, 25.05.2020 04:00
Social Studies, 25.05.2020 04:00
Mathematics, 25.05.2020 04:00
Social Studies, 25.05.2020 04:00
History, 25.05.2020 04:00
Biology, 25.05.2020 04:00
Mathematics, 25.05.2020 04:00