One Dimensional Kinematics Unit Test

Convert 42 km to m

• 4,200 meters

• 0.042 meters

• 42,000 meters

• 420 meters

Convert 55 km/hr to m/s

• 0.92 m/s

• 3,300 m/s

• 15.28 m/s

• 0.015 m/s

A backpacker hikes 10 miles north in a straight line, then turns around and walks 3 miles directly south. What is her displacement from where she started?

• 13 miles north

• 7 miles north

• 13 miles

• 8 miles

To get to school, Benjamin walks 20 meters west, then turns and walks 21 meters directly south. What is Ben’s displacement from where he started?

• -1 meter

• 29 meters SW

• 41 meters south

• 1 meter SW

A moon jellyfish drifts through the water for 350 meters in 70 seconds. What is its speed in meters per second?

• 2.45 m/s

• 24,500 m/s

• 0.2 m/s

• 5 m/s

Halley’s Comet travels an average of 156,000 miles per hour. How many hours would it take the comet to travel 3,744,000 miles?

• 0.04 hours

• 24 hours

• 185 hours

• 48 hours

A car speeds up from 20 m/s to 32 m/s in 6 seconds. What is the car’s acceleration?

• 8.6 m/s²

• 4.5 m/s²

• 2 m/s²

• - 2 m/s

Imagine dropping a penny from the summit of Mount Everest, the highest peak in the world. Suppose the penny is dropped from rest and falls freely due to gravity. What is the speed of the penny after 3.25 seconds of free fall? Ignore air resistance.

• 9.8 m/s

• 1.63 m/s

• 31.85 m/s

• 9 m/s

According to the graph below, what is the speed of the bird at 6 seconds?

• 1 meter per second

• 0 meters per second

• - 4.5 meters per second

• 7 meters per second

What is the total distance traveled by the object in the graph below?

• 3 meters

• 9 meters

• 8 meters

• 6 miles