Ch. 11 Quiz, Vectors, Scalars and Kinematics (9th)

How are scalars different from vectors?

• Scalars have only magnitude, while vectors have both magnitude and direction.

• Scalars are always larger than vectors.

• Scalars and vectors are the same.

• Scalars can be negative, while vectors cannot.

You walk 6 meters east followed by 4 meters west. What is your displacement?

• 2 meters east

• 2 meters west

• 10 meters east

• 10 meters west

A dog walks 50 m east and then 23 m west. What is its distance traveled?

• 27 m

• 73 m

• 50 m

• 23 m

A dog walks 50 m east and then 23 m west. What is its displacement?

• 27 m east

• 27 m west

• 73 m east

• 73 m west

A bird has flown 850 km south for the winter when he realizes he has to go back because it is still summer. After traveling 320 km north, what is the bird's distance traveled?

• 1170 km

• 530 km

• 320 km

• 850 km

A bird has flown 850 km south for the winter when he realizes he has to go back because it is still summer. After traveling 320 km north, what is the bird's displacement?

• 530 km south

• 530 km north

• 1170 km south

• 1170 km north

You walk 6 meters east followed by 4 meters west in 4 seconds. What is your speed?

• 0.5 meters per second

• 1 meter per second

• 2 meters per second

• 10 meters per second

What is the speed of a plane that travels 15000 miles north in 20 hours?

• 750 miles per hour

• 500 miles per hour

• 1000 miles per hour

• 1500 miles per hour

Tags

NGSS.MS-PS3-1

What kind of quantity has both a magnitude and a direction?

• scalar
• vector
• frame of reference
• time

The measurement 43 seconds is a ​ (a)   quantity

• scalar
• vector