Motion

The car is described as traveling east at 30 km/hr. From which reference point in the diagram is the motion of the car MOST likely being described?

• 1

• 2

• 3

• 4

Which is MOST likely needed when describing the changes in position of an object?

• initial speed

• direction change

• reference point

• constant rate

A helicopter ambulance flew from one hospital to another in a straight line. The pilot had to change speed several times due to the presence of other aircraft. What was the average speed of the helicopter during the trip?

• 2.0 km/min

• 2.5 km/min

• 4.0 km/min

• 7.5 km/min

Alesia is taking an all-day ride on her bicycle. The graph shows how far she is from home at different times during her ride. During which time period is Alesia moving faster?

• 0-1 hours

• 3-4 hours

• 4-5 hours

• 6-7 hours

A toy robot moved from a starting point, traveling in a straight line at different speeds and then turning around and returning to the starting point at different speeds. What is the total distance that the toy robot traveled?

• 12 m

• 24 m

• 48 m

• 96 m

The graphs show the motion of two toy cars. Which statement BEST compares the motion of the two cars?

• Car 1 traveled faster than Car 2.

• Car 1 had the same velocity as Car 2.

• Car 1 had a greater acceleration than Car 2.

• Car 1 traveled in a different direction than Car 2.

The graph shows the motion of four cars. All four cars are moving east. Which car has a constant velocity?

• 1

• 2

• 3

• 4

Stephanie rode to the local farmer's market with her grandmother. The graph below illustrates their trip. Which line segment represents the time the car was parked at the farmer's market?

• Segment A

• Segment B

• Segment C

• Segment D

If you walk for 2 hours and travel 6 km, what is your average speed?

• 12 km/hr

• 3 km/hr

• 6 km/hr

• 2 km/hr

When an object changes position over time when compared with a reference point, the object is

• accelerating

• stopping

• in motion

• turning