Chapters 1 and 2 Review

Based on the position-time graph in the image, what is the object's displacement at 5 seconds?

• 6 s

• 3 m

• 18 m

• 6 m

Tags

NGSS.MS-PS3-1

Calculate the velocity of the object from 6 s to 10 s.

• -2.25 m/s

• 1.25 m/s

• 6.50 m/s

Tags

NGSS.MS-PS3-1

Which best describes the object's motion? Choose all that apply

• The object has an average speed of 6 m/s in the first 10 s

• The object has an average velocity of -5 m/s from 25 s to 40 s

• The object is motionless from 10 s to 15 s

• The object is moving slower in the time frame from 30 s to 40 s than the time frame from 40 s to 50 s

• The object is moving toward the starting point from 15 s to 40 s

Tags

NGSS.MS-PS3-1

A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?

• 10 m/s
• 1000 m/s
• 100 seconds
• 10 seconds

Jeff stays after class to work on his science homework is late for hockey practice. He decides to run so the coach won't be mad. If the locker room is 300 m from the classroom and Jeff can run a surprising 25 m/s, how long would it take him to get there?

• 7.5 s

• 12 s

• 42.9 s

• 0.25 s

Ricky chucks a water balloon at his friend. Running for his life, he travels 100 m in 9.83 s. What was his average speed?

• 12.5 m/s

• 9.1 m/s

• 10.2 m/s

• 8.3 m/s

Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?

• 10
• 7
• 8
• 6

 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?

• 800
• 400
• 0
• 200

Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home.  What is Bill's distance?

• 0 meters
• 400 meters
• 800 meters
• 1600 meters

Jerry walked from home to school, then from the school to the park. What is his total distance?

• 2 km

• 5 km

• 8 km

• 10 km