Distance-Time Graph

Mandy and Josh raced one lap around the track. The graph below shows the results of their race. Which statement can be proven by the graph?

• Josh won the race.

• Mandy won the race.

• Mandy ran less distance than Josh.

• Josh ran the race in less time than Mandy.

This graph shows the motion of an object. Which best describes the motion of the object?

• It is sitting still.

• It is moving at a constant speed.

• It continually increases its speed.

• It travels at constant speed and suddenly stops.

Which graph best illustrates a train sitting at the station waiting to depart?

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Joe rode his bike around town. The graph below shows his position over time. Which best describes Joe’s motion between hours 1 and 2?

• He traveled 0 mph.

• He traveled 0.5 mph.

• He traveled 2 mph.

• He traveled 4 mph.

Crystal recorded the distance and time she and Lisa drove their race cars. Which best describes the difference in the motion of the two race cars?

• Crystal’s race car is decreasing speed, and Lisa’s race car is

  increasing speed.

• Crystal’s race car is increasing speed, and Lisa’s race car is

  decreasing speed.

• Crystal’s race car has not moved, and Lisa’s race car is moving

  forward.

• Crystal's race care is moving at a constant speed, and Lisa's race car is standing still.

Carlos and Andrew decided to race each other home from school. The graph below shows the motion of the boys during the race. Which best describes the race?

• Both boys reached the finish line at the same time.

• Andrew won the race because he reached the finish line in a shorter amount of time.

• Carlos won the race because he reached the finish line in a shorter

  amount of time.

• Andrew won the race because he reached the finish line in a longer amount of time.

Which graph depicts an object whose speed is increasing?

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The graph below shows the motion of a car over time. Which best describes the motion of the car?

• The car is moving at a constant speed.

• The car is decreasing its speed.

• The car is increasing its speed.

• The car is not moving.

Joe rolls a ball to Cindy, and Cindy rolls it back to Joe at the same speed.

Which graph shows the motion of the ball as it rolls between them?

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The graph below represents a car traveling. Based on the graph, what can be inferred about the speed of the vehicle?

• It is not moving.

• It is slowing down.

• It is traveling at a constant speed.

• It is speeding up.