Match each word to the sentence where it best fits.
- When Ilana moved her pencil from the location (2, 4) cm on her paper to the location (6, 3) cm, the _______ she made was (+4, −1) cm.
- _______ are values that together determine a unique position in space.
- Marcel identified the ground beneath his feet as the _______ by labeling it with “0 meters.”
- Mass, speed, and temperature are examples of _______ quantities unlike the vector quantities such as velocity and force
- An object’s _______ is a vector that tells where it is relative to the origin.
- A quantity that has both magnitude and direction is a/an _______.
|average velocity|| ||inertial reference frame|
|instantaneous velocity|| ||reference frame|
- Two people driving in cars at constant speed but in opposite directions on the highway are each traveling in a/an _______.
- _______ can be calculated by dividing the change in position by the change in time.
- _______ measures the steepness of a graph.
- _______ has the same units as speed but is a vector, so it includes information about direction.
- After Sinead finished a road trip, her GPS told her that her maximum speed was 58 mph.
That means that at some point in her trip her _______ was 58 mph.
- An office worker on the tenth floor of a building labels the origin of his _______ as zero meters at the bottom of his feet, despite being located 100 ft above ground.
- During stop-and-go driving in a traffic jam, Darrius moved 5 km in one-half of an hour. His _______ was 10 km/hr.
- Which of the following sentences best matches the meaning of the equation
d = xf − xi?
- The final position is the initial position minus the displacement.
- The initial position is the final position plus the displacement.
- The displacement is the initial position minus the final position.
- The displacement is the final position minus the initial position.
- Latitude and longitude lines form a convenient coordinate system for specifying locations on Earth’s surface. Where is the origin of this coordinate system? (Hint: The east–west origin and north–south origin both need to be identified.)
- Are the following vector or scalar quantities?
- computer memory space
- location from a GPS
- speedometer reading
- What is the relationship between the scalar distance and the vector displacement?
- Describe a situation in which someone moves a distance of 100 m yet has a displacement of zero.
- What is the difference between position and displacement?
- Give three phrases that are examples of displacements without using the word “displacement.” These should be given as you would speak them to a friend.
For example, “I ....”
- Which of the following are vectors?
- Can you add or subtract a distance from a displacement?
- What factors would influence a person’s choice of an origin and coordinate system for a given problem?