Physics, 16.10.2020 18:01 bludov141ox1ocr
A man facing a high wall, notices that an echo is heard 4.0 seconds after he makes a sharp sound. After walking 200m directly towards the cliff, an echo is heard after 3.4 seconds. Calculate:
I. the speed of sound
ii. How far he was from the wall when he made his second observation of the echo.
Answers: 1
Another question on Physics
Physics, 21.06.2019 18:40
An observer that stands still as the electron moves by him, will observe
Answers: 3
Physics, 22.06.2019 07:00
The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse
Answers: 1
Physics, 22.06.2019 09:30
Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?
Answers: 2
Physics, 22.06.2019 13:30
6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.
Answers: 3
You know the right answer?
A man facing a high wall, notices that an echo is heard 4.0 seconds after he makes a sharp sound. Af...
Questions
Mathematics, 19.02.2022 09:30
Computers and Technology, 19.02.2022 09:30
Social Studies, 19.02.2022 09:30
History, 19.02.2022 09:30
Social Studies, 19.02.2022 09:30
Mathematics, 19.02.2022 09:30
Mathematics, 19.02.2022 09:30
Biology, 19.02.2022 09:30
History, 19.02.2022 09:40
Mathematics, 19.02.2022 09:40
Mathematics, 19.02.2022 09:40
