Kinematics Problems

An object  accelerates at 2  m/s^2. Assuming the object starts from rest, how much time does it need to accelerate to a speed of 16  m/s?

• 4 s

• 8 s

• 16 s

• 1/16 s

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

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-1

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

• 0 meters

• 400 meters

• 800 meters

• 1600 meters

Velocity is both ____ and _____. 

• speed , direction 

• direction, mass

• volume, density 

• direction, magnitude 

What does a straight diagonal line on a motion graph indicate?

• The object is stationary

• The object is moving at a constant speed

• The object is accelerating

• The object is decelerating

Tags

NGSS.MS-PS3-1

What does a horizontal straight line on a motion graph indicate?

• The object is accelerating

• The object is moving at a constant speed

• The object is decelerating

• The object is stationary

What does a curved line on a motion graph indicate?

• The object is decelerating

• The object is stationary

• The object is moving at a constant speed

• The object is accelerating

  (speeding up)

Tags

NGSS.MS-PS3-1

This graph demonstrates an object that is -

• Increasing speed

• At a constant speed

• Decreasing speed

• Stationary

Tags

NGSS.MS-PS3-1

This is a velocity-time graph. What is the object doing in segment A?

• Speeding up

• Slowing down

• Constant Velocity

• Not moving

Tags

NGSS.MS-PS3-1

This is a velocity-time graph.  What is the object doing in segment B?

• Positive acceleration

• Negative acceleration

• Constant Velocity

• Not moving

Tags

NGSS.MS-PS3-1