If you double the period of a pendulum. what happens to its length?

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.

Which object is most likely represented by a dot?

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z