Physics, 12.02.2021 22:30, jaydenhoward
4.The Dolphin emits short bursts of ultrasound. The echoes of the ultrasound help the dolphins find fish. A SONAR receives a strong echo of ultrasonic signal it sent downwards into the sea 3.6 seconds after the transmission. Calculate the depth of the sea-bed if the speed of ultrasonic waves in sea-water is 1500 m/s.
Answers: 2
Physics, 21.06.2019 23:30, rainbowsauxe
Aquarterback pedals 3.3meters southward and then run 5.7meters northward. whats the distance ? and whats the displacement?
Answers: 2
Physics, 22.06.2019 12:30, shanicar33500
Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground. what is his gravitational potential energy above the ground?
Answers: 1
4.The Dolphin emits short bursts of ultrasound. The echoes of the ultrasound help the dolphins find...
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