EQUATIONS OF MOTION

During which interval is the object traveling at a constant velocity?

• B to C
• D to E
• F to G
• it traveling at a constant velocity during all of the intervals shown.

Tags

NGSS.HS-PS2-1

Which runner stopped for a rest?

• Albert
• Bob
• Charlie

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

• Positive acceleration
• Negative acceleration
• Constant Velocity
• Not moving

Tags

NGSS.HS-PS2-1

Calculate the acceleration for segment A.

• 2 m/s²
• 20 m/s²
• -2 m/s²
• 0 m/s²

Tags

NGSS.HS-PS2-1

What is the name for the type of quantity that has only magnitude (size)?

• Scalar

• Vector

A boat travels 12.0 m while it reduces its velocity from 9.5 m/s to 5.5 m/s. What is the magnitude of the boat’s acceleration while it travels the 12.0 m?

• 1.3 m/s²
• 2.5 m/s²
• 3.0 m/s²
• 7.5 m/s²

Tags

NGSS.HS-PS2-1

How far will a car move in 5 seconds if it started from rest and accelerates uniformly at 2.5 ms^-2?

• 12.5 m
• 125 m
• 6.25 m
• 31.25 m

Tags

NGSS.HS-PS2-1

A dog basks in the sun when he sees a squirrel and bolts after it. If the dog accelerates at +1.6 m/s², how far does he run in 3 seconds?

• 4.8 meters

• 45 meters

• 1.6 meters

• 7.2 meters

Tags

NGSS.HS-PS2-1

If a car is traveling forward at 15 m/s, how fast will it be going in 1.2 seconds if the acceleration is -10 m/s²?

• 27 m/s
• 3 m/s
• -27 m/s
• -3 m/s

Tags

NGSS.HS-PS2-1

An airplane accelerates down a runway at 4 m/s² for 24 s until is finally lifts off the ground. Determine the distance traveled before takeoff?

• 1152m

• 2304m

• 48m

• 1000m