Sound technology allows us to locate objects, make images, communicate over distance, and store information. One type of sound wave is echolocation. In the space below, describe what echolocation is, what echolocation is used for and what type(s) of waves are reflected. Please help me

Echolocation is the use of sound waves and echoes to determine where objects are in space. Bats use echolocation to navigate and find food in the dark. To echolocate, bats send out sound waves from the mouth or nose. When the sound waves hit an object they produce echoes.

Explanation:

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what is the speed of a softball that travels 20m in 2secs

speed = 20/2 = 10 m/s