Physics, 20.03.2020 01:28 hernsl0263
Sonar is used to locate objects underwater by measuring the time it takes an ultrasound sound pulse to reflect back to the receiver. An oceanic depth-sounding vessel surveys the ocean bottom with ultrasonic sound that travels 1530 m/s in seawater. Find the depth of the water if the time delay of the echo to the ocean floor and back is 8 seconds.
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Physics, 22.06.2019 11:30
If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?
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Physics, 22.06.2019 16:30
3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?
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Physics, 22.06.2019 16:40
Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward
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Physics, 22.06.2019 23:00
The gun from the crime scene shows tool marks where the serial numbers are ground off. there are also tool marks on the bullets left behind. what information can the tool marks on the bullets and gun provide about the crime? what type of evidence does this information provide, individual or class?
Answers: 1
Sonar is used to locate objects underwater by measuring the time it takes an ultrasound sound pulse...
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