Vectors/Projectiles Penner

At what point is v_y= 0 m/s?

• A

• B

• C

• D

• None of these points

At what point is v_x= 0 m/s?

• A

• B

• C

• D

• None of these points

Which vector pair (arrow pair) correctly represents the acceleration and velocity at point P?

• 
• 
• 
• 

Tags

NGSS.HS-PS2-1

Suppose Lemming A runs off the edge of the cliff at 2 m/s and Lemming B runs off the edge at 1 m/s. Which will hit the ground first?

• A

• B

• Both at the same time

Suppose Lemming A runs off the edge of the cliff at 2 m/s and Lemming B runs off the edge at 1 m/s. Which will hit the ground farther from the base of the cliff?

• A

• B

• Both at the same distance

A package is dropped from an airplane, where will the package hit the ground?

• A

• B

• C

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

An object is projected horizontally from a cliff.  The time it takes to hit the ground is

• more than if it was just dropped
• less than if it was just dropped
• the same amount of time than if it was just dropped
• impossible to determine

Tags

NGSS.MS-PS2-4

• 10 m/s to the east

• 10 m/s to the west

• 8 m/s to the east

• 8 m/s to the west

• 6 m/s to the east

• 10 m

• 1.0 m

• 5.0 m

• 20 m

• 15 m

• 6.0 m

• 9.0 m

• 12 m

• 24 m