Physics, 23.09.2020 18:01 ethanmoct6
Sound A person leaning over a 125-m-deep well accidentally drops a siren emitting sound of frequency 2500 Hz. Just before this siren hits the bottom of the well, find the frequency and wavelength of the sound the person hears
(a) coming directly from the siren and
(b) reflected off the bottom of the well.
(c) What beat frequency does this person perceive
Answers: 2
Physics, 22.06.2019 00:10, smit715674
I'm kinda lost ! 1. when marilyn takes her pet dog for a walk, the dog walks at a veryconsistent pace of 0.55 m/s. draw a position-time graph to representmarilyn's dog walking the 19.8 m distance from the front of her house tothe nearest fire hydrant.2. both car a and car bleave school when a stopwatch reads zero. car atravels at a constant 75 km/h, and car b travels at a constant 85 km/h. a) draw a position-time graph showing the motion of both cars. howfar are the two cars from school when the stopwatch reads 2 hrs? calculate the distances and show them on your graph. b) both cars passed a gas station 120 km from the school. when dideach car pass the gas station? calculate the times and show themon your graph.3. the figure below shows the position-time graph showing a shopper'smovement up and down the aisle at a store. a) write a story describing the shopper's movements at the store. b) when does the shopper have a position of 6 m? c) how much time passes between when the shopper enters the aisleand when he gets to a position of 12 m? what is the shopper's averagevelocity between 37 s and 46 s?
Answers: 3
Physics, 22.06.2019 15:50, bapefer498
Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?
Answers: 2
Physics, 23.06.2019 00:00, jeffro198004
You notice the birds sitting on the electrical wires which of the following explain why the birds don't get shocked
Answers: 2
Sound A person leaning over a 125-m-deep well accidentally drops a siren emitting sound of frequency...
Mathematics, 04.06.2020 03:57
Mathematics, 04.06.2020 03:57
Mathematics, 04.06.2020 03:57
Mathematics, 04.06.2020 03:57
History, 04.06.2020 03:57
English, 04.06.2020 03:57
Mathematics, 04.06.2020 03:57
History, 04.06.2020 03:58