Quiz #4: Motion in 2 Dimensions

You and your friend are both standing on a building while both holding a ball. Your friend drops the ball and you throw the ball horizontally (straight line, no angle). Which ball hits the ground first?

• The dropped ball

• Both land at the same time

• The thrown ball

• trick question. Neither ball landed because it was a dream!

Tags

NGSS.HS-PS2-1

You travel 10 m N, then 20 m E, you wait 20 minutes, then go 40 m S, then 30 m W. You then go 30 m N, and finally you turn and go 10 m E. What's your total displacement and distance?

• Distance: 160 m; Displacement: 10 m
• Distance: 140 cm; Displacement: 0 m
• Distance: 12 m; Displacement: 140 m
• Distance: 140 m; Displacement: 0 m

Which of the following is not a vector?

• 4 m south
• 97 miles per hour northeast
• 14 gallons 
• the guy from despicable me

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

• 10 m/s

• 1000 m/s

• 100 seconds

• 10 seconds

Tags

NGSS.MS-PS3-1

What is a magnitude?

• A numeric value.
• A direction.

A scalar is a magnitude _____.

• With direction.
• Without direction.

30 m/sec, East. Scalar or Vector

• Scalar
• Vector
• Neither

Tags

CCSS.HSN.VM.A.1

The _______ of two or more vectors is the sum of the vectors.

• components
• scalar
• resultant
• magnitude

Tags

CCSS.HSN-VM.B.4B

CCSS.HSN-VM.B.4A

What is the resultant vector of the two labeled vectors?

• +2 km

• +14 km

• -2 km

• -14 km

What is the resultant of the two vectors shown above?

• +5

• -5

• +15

• -15

Tags

NGSS.MS-PS2-2