An ant starts at x=20cm on a piece of graph paper and Walks along the x axis, to x=-20cm. it then turns around and walks back to x=-10cm. determine a) the ants displacement b) the total distance​

Which describe reflection? check all that apply. light bounces off a boundary.

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.

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?