Physics, 18.11.2020 16:40 sierraroeser
A bat moving at 3.7 m/s is chasing a ying insect. The bat emits a 36 kHz chirp and receives back an echo at 36.79 kHz. At what speed is the bat gaining on its prey? Take the speed of sound in air to be 340 m/s.
Answers: 2
Physics, 21.06.2019 22:50, peno211
Moon effect. some people believe that the moon controls their activities. if the moon moves from being directly on the opposite side of earth from you to being directly overhead, by what percentage does (a) the moon's gravitational pull on you increase and (b) your weight (as measured on a scale) decrease? assume that the earth–moon (center-to-center) distance is 3.82 × 10^8 m, earth's radius is 6.37 × 10^6 m, moon's mass is 7.36 × 10^22 kg, and earth's mass is 5.98 × 10^24 kg.
Answers: 2
Physics, 22.06.2019 10:00, pantojaiv90
A2k pendulum has a speed of 1 m/s at a height of 1/2 meter
Answers: 3
A bat moving at 3.7 m/s is chasing a ying insect. The bat emits a 36 kHz chirp and receives back an...
Biology, 12.05.2021 22:00
Mathematics, 12.05.2021 22:00
Mathematics, 12.05.2021 22:00
Mathematics, 12.05.2021 22:00
Mathematics, 12.05.2021 22:00
Mathematics, 12.05.2021 22:00
Mathematics, 12.05.2021 22:00