7.7.B:  distinguish between speed and velocity in linear motion in terms of distance, displacement, and direction;

Distinguish

BETWEEN SPEED AND VELOCITY IN LINEAR MOTION IN TERMS OF DISTANCE, DISPLACEMENT, AND DIRECTION

Including, but not limited to:

• Speed – a rate at which an object travels a distance 

• Velocity – a rate at which an object changes its position

• Distance – a measurement of length between two points

• Displacement – a measurement of length and direction between a starting point and an ending point

• Linear motion – motion of an object in only one direction

• Distinguishing speed and velocity in linear motion

  • In linear motion, speed and velocity are similar, but velocity includes direction.

    • A car travels in a straight-line east at 30 kilometers per hour.

      • The speed of the car is 30 km/h.

      • The velocity of the care is 30 km/h east.