Physics, 24.06.2020 20:01 beepbeep123
A bumblebee darts past at 3 m/s. The frequency of the hum made by its wings is 152 Hz. Assume the speed of sound to be 342 m/s. The observed frequency of the hum will be 152 Hz as the bumblebee flies away from you.
greater than
equal to
less than
Answers: 2
Physics, 22.06.2019 05:30
Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.
Answers: 1
Physics, 22.06.2019 09:50
If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
Answers: 3
Physics, 22.06.2019 13:00
4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?
Answers: 1
A bumblebee darts past at 3 m/s. The frequency of the hum made by its wings is 152 Hz. Assume the sp...
Mathematics, 23.10.2020 21:50
Physics, 23.10.2020 21:50
History, 23.10.2020 21:50
Mathematics, 23.10.2020 21:50
Mathematics, 23.10.2020 21:50
Mathematics, 23.10.2020 21:50
English, 23.10.2020 21:50
English, 23.10.2020 21:50
Advanced Placement (AP), 23.10.2020 21:50
Mathematics, 23.10.2020 21:50