Unit 2: Kinematics

What is Dash’s acceleration from rest if it takes him 2s to get to 10m/s? 

Identify all of the givens.

• 10 m/s

• 0 m/s

• t

• Not Given

• What we want

• a

• 2s

Dory swims with from rest with an acceleration of 0.5 m/s² for 10 seconds. What is his final velocity?

Identify all of the givens.

• What we want

• t

• 10s

• a

• Not Given

• 0.5 m/s/s

• 0 m/s

Wreck-It Ralph starts running with an initial velocity of 3 m/s. If he accelerates at a rate of 1.5 m/s² for 10 seconds, what is the displacement covered by Wreck-It Ralph during his high-speed run?

Identify all of the givens.

• t

• 10 s

• 3 m/s

• 1.5 m/s/s

• Not given

• a

• What we want

Wall-E moves with an initial velocity of 1.5 m/s and accelerates at 5.2 m/s/s for 20 seconds. What is his displacement during this time?

Identify all of the givens.

• 1.5 m/s

• a

• Not given

• 5.2 m/s/s

• t

• 20 seconds

• What we want

What is the initial velocity of Lightning McQueen if he accelerates uniformly at 2m/s/s for 5 seconds and finishes with a velocity of 20 m/s?

Which equation should you use?

Elsa runs up an ice bridge with an initial velocity of 8 m/s accelerating at 1.5 m/s/s and comes to a stop in 6 seconds. What is her final velocity?

Which equation should you use?

Buzz Lightyear accelerates from rest at 3 m/s² for 8 seconds. What is his displacement during this time if his initial velocity is 0?

Which equation should you use?

Aladdin's magic carpet accelerates from 3 m/s to 8 m/s. If the initial velocity is 3 m/s and the acceleration is constant, what is the displacement during this acceleration?

Which equation should you use?

Woody and Buzz falls from the sky with an initial velocity of 0, experiencing an acceleration of 9.8 m/s². If he covers a displacement of 50 meters, what is his final velocity?

Which equation should you use?