Motion Along a Straight Line

To find average velocity over a time interval,  divide the change in ___________by the change in time.

• position
• speed
• velocity
• acceleration

Acceleration is the rate of change of ________________.

• position
• velocity
• speed
• swag

The absolute value of velocity is ____________.

• position
• speed
• acceleration
• jerk

According to this velocity graph, velocity is negative and acceleration is ___________.  So speed is ___________

• positive, increasing
• negative, increasing
• negative, decreasing
• positive, decreasing

According to this velocity graph, velocity is negative and acceleration is ___________.  So speed is ___________

• positive, increasing
• negative, increasing
• negative, decreasing
• positive, decreasing

When velocity and acceleration are both negative, then the particle is _____________

• slowing down
• speeding up
• changing direction
• swagging

If velocity is positive and speed is decreasing, then acceleration is _____________.

• positive
• negative
• zero
• unknown

If the particle is moving to the left and speed is decreasing, then acceleration is _____________.

• positive
• negative
• zero
• unknown

A turtle starts at x = 2 and travels to the right to stand briefly at x = 5, and then travels to the left and comes to a stop at x = -1.  What is the turtle's change in position (displacement)?

• negative 3 spaces
• positive 3 spaces
• 7 spaces
• 6 spaces

A turtle starts at x = 2 and travels to the right to stand briefly at x = 5, and then travels to the left and comes to a stop at x = -1.  What is the turtle's total distance traveled?

• negative 3 spaces
• 5 spaces
• 7 spaces
• 9 spaces