Midterm Review

The mass of 100 paper clips is measured at 52.3 grams. The mass of a single paper clip from this group would be closest to

• 523 g

• 5.23 g

• 0.523 g

• 0.0523 g

The height of an average adult is approximately 1.75

• cm

• m

• mm

• km

What is the approximate thickness of this piece of paper?

• 10² m

• 10¹ m

• 10⁰ m

• 10^-2 m

Which is a vector quantity?

• distance

• time

• mass

• velocity

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

A boat heads directly eastward across a pier at 12 meters per second. If the current in the river is flowing at 5.0 meters per second due south, what is the magnitude of the boat's resultant velocity?

• 7.0 m/s

• 8.5 m/s

• 13 m/s

• 17 m/s

A person walks 5.0 kilometers north, then 5.0 kilometers east. His displacement is closest to

• 7.1 kilometers northeast

• 7.1 kilometers northwest

• 10 kilometers northeast

• 10 kilometers northwest

A person travels 6 meters north, 4 meters east, and 6 meters south. What is the total displacement?

• 16 m east

• 6 m north

• 6 m south

• 4 m east

How long will it take an object to move 100 meters if the object is traveling with an average speed of 0.5 meter per second?

• 200 s

• 2 s

• 5 s

• 50 s

A car accelerates uniformly from rest to a speed of 10 meters per second in 2 seconds. The acceleration of the car is

• 0.2 m/s²

• 5 m/s²

• 10 m/s²

• 20 m/s²

Tags

NGSS.HS-PS2-1

If an object's velocity changes from 25 m/s to 15 m/s in 2.0 seconds, the magnitude of the object's acceleration is

• 5.0 m/s²

• 7.5 m/s²

• 13 m/s²

• 20 m/s²

Tags

NGSS.HS-PS2-1