Physics, 14.04.2021 17:10 skylarwise121

A scientist uses a variable frequency microphone/speaker system (sonar) to measure the depth of water. In freshwater (were sound travels at 1490 m/s) and 120 Hz sound is sent from a stationary ship to the bottom of a deep lake and the time interval between the generation and detection of the echo takes 1.14 seconds. What is the distance from the ship to the bottom of the lake?

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 05:00, hannahhoskings6989

Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above

Answers: 1

continue

Physics, 22.06.2019 16:20, jmackenzie7

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit

Answers: 2

continue

Physics, 22.06.2019 17:30, rameen4

When using the scientist method, which step comes last?

Answers: 1

continue

Physics, 23.06.2019 00:30, struckedblazing

What is the speed vfinal of the electron when it is 10.0 cm from charge 1?

Answers: 1

continue

You know the right answer?

A scientist uses a variable frequency microphone/speaker system (sonar) to measure the depth of wate...