Aperson walks north for 50 m at 0.5 m/s, stand still for 60 seconds and then walks south back 50 m to the starting point at 2 m/s. find a) the total distance traveled, b) the total displacement, c) the average speed and d) the average velocity.

The slope of a velocity time graph over any interval of time gives the during that interval

Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k

Aheavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80hz. what is the mass of the sculpture?