Aman walked back and forth in a straight line. if he travels from point a to point b, then turns around and stops at point c, what is his total displacement after 2 minutes? a. 150 b. 350 c. 100 d.50

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

The velocity of any object depends upon a) the location of the object. b) the location of the observer. c) which measurement tools are used. d) the relative motion of the observer.