What is the oscillation period of your eardrum when you are listening to the A4 note on a piano (frequency 440 Hz)?

Suppose you were asked to find the torque about point p due to the normal force n in terms of given quantities. which method of finding the torque would be the easiest to use?

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.