Aradar station sends out a 25 hz sound wave at a speed of 340 m/s. the sound wave bounces off a weather ballon and returns back to the radar station in 4.8s at a frequency of 24 hz. how far away from the radar station is the ballon and what direction is it moving?
Answers: 3
Physics, 21.06.2019 19:30, noberoger2780
Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star
Answers: 1
Physics, 22.06.2019 12:00, Sariyahhall1
Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation
Answers: 1
Physics, 22.06.2019 14:30, willoughbysierra
The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.
Answers: 1
Physics, 22.06.2019 14:30, gabriellam20
A10nc charge sits at a point in space where the magnitude of the electric field is 1500 n/c. what will the magnitude of the field be if the 10 nc charge is replaced by a 20 nc charge? assume the system is big enough to consider the charges as small test charges.
Answers: 1
Aradar station sends out a 25 hz sound wave at a speed of 340 m/s. the sound wave bounces off a weat...
English, 30.08.2020 01:01
Computers and Technology, 30.08.2020 01:01
Social Studies, 30.08.2020 01:01
Chemistry, 30.08.2020 01:01
English, 30.08.2020 01:01
Mathematics, 30.08.2020 01:01
Chemistry, 30.08.2020 01:01
Mathematics, 30.08.2020 01:01