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
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Which of these describe conduction transfer of heat between two objects that are touching transfer of heat by the actual movement of war matter the process in which energy is imitated by one of the object transmitted through space and absorbed by another a process in which energy is released by the molecules breaking apart
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Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?
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What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?
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In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque
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A scientist uses a variable frequency microphone/speaker system (sonar) to measure the depth of wate...
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