which statement includes a description of velocity?
a a car travels east at 45 kilometers per hour
b a student walks 20 meters down the street
c a bicycle moves 8 meters per second
d a marble rolls 30 centimeters away from the table
B velocity
which characteristics is constant for the car as it travels around the roundabout?
a direction
b speed
c velocity
d position
on a position-time graph, which of the following does the value of the slope indicate about the subject?
a change in position
b velocity
c total distance
d change in direction
does either object has a constant velocity?
a neither objects has a constant velocity
b both objects have a constant velocity
c only object c has a constant velocity
d only object d has a constant velocity