Physics, 13.02.2020 05:55 lberries08
To locate objects in their environment, bats in flight and porpoises under water both use ultrasound waves with frequencies that are beyond human hearing. These animals produce an ultrasonic wave and then detect echoes from nearby objects.
Answers: 2
Physics, 22.06.2019 14:30, juanaaraujo1104
Which one of the following terms is used to indicate the natural tendency of an object to remain at rest or in motion at a constant speed along a straight line? velocity acceleration equilibrium force inertia
Answers: 2
To locate objects in their environment, bats in flight and porpoises under water both use ultrasound...
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