A Bat, Flying at 5

question 70

Short Answer

A bat, flying at 5.00 m/s, emits a chirp at 40.0 kHz. If this sound pulse is reflected by a wall, what is the frequency of the echo received by the bat? (v_sound = 340 m/s.)

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Definitions:

Attachment

A legal process that allows for the seizure of a defendant's property as security for the satisfaction of a judgment.

Security Interest

A legal claim or right granted by a debtor to a creditor over the debtor's property as security for a loan or obligation.

Perfection

In finance, the act of securing a priority interest in the collateral among creditors concerning the same collateral or property.

Mechanic Lien

A legal claim against a property by a contractor or repairman for unpaid work, securing payment for services rendered.