Final Review

When you are sitting in science class, you and all of your classmates are moving through space at 2.8 million miles per hour. Why do your classmates not appear to be moving?

• You are the same reference point.
• You are in the same frame of reference.
• The frame of reference you are looking at is moving, so your classmates look like they are not moving.
• The reference point you are looking at is moving, so your classmates look like they are not moving.

You are sitting on a bench in the park. There is a bird walking to the right in front of you. According to the bird, you are _______________.

• not moving
• moving to the right
• moving to the left
• In a different frame of reference

Which of the following is a vector

• 65 miles per hour
• 1.32 feet
• 6 Liters
• - 6m/s

Burger walked 10 meters west, 5 meters east, 6 meters north, 1 meter south, and 5 meters east. What is her distance?

• 0 m
• 5 m North
• 27 m South
• 27 m

Costello walked 10 meters left, 5 meters right, 6 meters left, 1 meter right, and 5 meters left. What is his displacement?

• 0 m
• 15 m left
• 15 m right
• It depends on his frame of reference.

What is the speed of an object that moves 25 meters in 95 seconds?

• 0.263157895
• 0.26 m/s
• 2375 m/s
• 3.8 m/s

Which of the following is NOT accelerating?

• Someone walking down a straight hallway at a constant speed
• A car speeding up to pass a buggy
• A bicyclist making a right hand turn
• A runner slowing down after she crosses the finish line

An object accelerates from rest to a velocity of 14.5 m/s. Which of the following is true?

• Vi = 0 m/s
• Vf = 0 m/s
• Final velocity = 0 m/s
• Change in velocity = 0 m/s

A car is moving past a runner at -45 m/s, the runner is moving past a tree at 4 m/s, and the tree is not moving at all with respect to the ground. All of the following are objects in this situation except

• Bird
• Tree
• Car
• Runner

Speed, velocity, and acceleration are all classified as _______ because they measure how something is changing with respect to time.

• Vectors
• Rates
• Math
• Scalars