Unit 1 Mishaps

If you ride your bicycle down a straight road for 500 m then turn around and ride back to your starting point, your distance is _____ your displacement.

• greater than

• less than

• equal to

• cannot be determined

1. The horses on a carousel or merry-go-round are accelerating because ____. 

• 1. the speed of the horses is constantly increasing 

• 1. the speed of the horses is constantly decreasing 

• 1. the direction of the horses’ motion is constantly changing 

• 1. the travel time is different for every ride

1. A group of bike riders took a 4 hour trip. During the first 3 hours, they traveled a total of 50 km, but during the last hour they traveled only 10 km. What was the group’s average speed for the entire trip?

• 1. 60 km/hr

• 1. 40 km/hr

• 1. 30 km/hr

• 1. 15 km/hr 

1. This graph represents the velocity of an object over time. What is the average acceleration of the object during the first 4 seconds?

   
   

• 1 m/s2

• 2 m/s2

• 4 m/s2

• 8 m/s2

What does the slope of this graph tell you?

• Speed

• Time

• Distance

• Acceleration

1. What is most likely the instantaneous speed at 5 s? 

• 30 m/s

• 30 mi/hr

• 6 m/s

• 6 mi/hr