With what speed must you approach a source of sound to observe a 25% change in frequency?

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What is the period in seconds of a simple pendulum of length 3 meters?

Which of one example of pre-existing marine life? A. leaf imprint B. shrimp burrow C. dinosaur D. bird bone

A. At what frequency would an inductor and a capacitor have the same reactance? b. What would the reactance be? c. Show that this frequency would be the natural frequency of an oscillating circuit with the same L and C.

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For each of the following, describe the relationship as directly or inversely proportional: a) wavelength vs. frequency b) wavelength vs. energy c) frequency vs. energy ... ?

Can hand sanitizer be used as rubbing alcohol

Two objects experience a 12 N electrical force between them. What force will the objects experience if the distance between them is doubled?

a submarine moving directly upward in the water at constant speed. The weight of the summer and it is 500,000 N. The submarines motors are off. The magnitude of the buoyant force acting on the submarine is

If the car went 30 km west in 25 min. and then 40 km east in 35 min., what would be its total displacement?