A 1kg mass on the end of a string of length 1m swings in a horizontal circle at constant speed. After one revolution, how much work has been done on the mass by the tension in the string?

The answer is a) taiga because taigas are cold

The rearrangement of particles in a physical change. hope this

You need to be more specific.  i really don't know what a "motion map" is.you can draw a graph of an object's position, distance, displacement, speed,velocity, or acceleration versus time, or you can draw a graph of the object's x-position versus its y-position and not give any information about time at all.if the graph presents position or displacement against time,  then constant velocity is a straight line . . i.e. a line that has  constant slope.if the graph shows speed against time, then constant velocityis a horizontal piece of line.if the graph shows acceleration against time, then constant  velocity is a piece of line that lies on the x-axis . . it's value is zero.