Equations of motion

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

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

Tags

NGSS.MS-PS3-1

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

The area under a velocity-time graph represents the...

• ...acceleration.

• ...distance travelled.

• ...displacement.

• ...average speed.

The gradient of a displacement-time graph represents the...

• ...speed.

• ...acceleration.

• ...velocity.

• ...distance travelled.

Which of the following are all vector quantities?

• Velocity, distance and acceleration.

• Force, temperature and volume.

• Acceleration, energy and displacement.

• Force, acceleration and displacement.