Speed, Velocity, and Acceleration

Match

Match the following graphs to the right description.

Speeding up

No acceleration (constant speed)

Slowing down

• Speeding up

• No acceleration (constant speed)

• Slowing down

Multiple Choice

Dave runs 2000 m in 25 minutes. What is the speed?

• 90 mph

• 80 m/m

• 50 m/s

• 90 m/s

Multiple Choice

Speed in a given direction

• acceleration

• speed

• velocity

• average speed

Multiple Choice

Miles per hour north is an example of

• average speed

• acceleration units

• velocity units

• calculating speed

Multiple Choice

Change in speed or velocity over a specific amount of time

• acceleration

• velocity

• average speed

• speed

Multiple Choice

Miles per hour north is an example of

• average speed

• acceleration units

• velocity units

• calculating speed

Multiple Choice

What is happening at D?

• Stationary
• Accelerating
• Fast steady speed; moving away from the starting position
• Slower steady speed; moving away from the starting position

Multiple Choice

What is happening at E?

• Stationary
• Accelerating
• Fast steady speed; moving away from the starting position
• Steady speed; returning to start position

Multiple Choice

___ refers to how fast an object is moving.

• Speed

• Velocity

• Acceleration

• Motion

Multiple Choice

Which two factors does speed depend on?

• distance and direction

• direction and time

• distance and time

• distance, time and direction

Multiple Choice

Which is an example of speed?

• A car driving 55 miles per hour south.

• A bicyclist traveling 10 meters per hour toward the next town.

• A roller coaster is traveling 10 meters per second.

• A rocket blasting off at 2,500 meters per second toward space.

Multiple Choice

Which is an example of velocity?

• A car driving 55 miles per hour south.

• A bicyclist traveling 10 meters per hour.

• A roller coaster is traveling 10 meters per second.

• A rocket blasting off at 2,500 meters per second.

Multiple Choice

Speed or Velocity?:

A turtle is crawling 34 cm/min.

• Speed

• Velocity

• Neither

• Both

Multiple Choice

Speed or Velocity?:

A train is travelling North 220 km/hr

• Speed

• Velocity

• Neither

• Both

Multiple Choice

Acceleration is a speeding up, slowing down or a change in direction. Is the following acceleration and if so, which one?

A swimmer has 10 meters left in the race and he is neck-in-neck with his competitor. He has a surge of adrenaline and pulls ahead to win.

• Yes, this is acceleration since the swimmer starts to speed up to pull ahead.

• Yes, this is acceleration since the swimmer uses the wall to change directions.

• No, this is not acceleration since there is no speeding up, slowing down, or change in direction.

Multiple Choice

Describe the speed of the object from 4-6 seconds using the distance vs. time graph.

• Increasing speed
• Decreasing speed
• Not moving
• Constant speed

Multiple Choice

A stopped car begins moving and reaches a speed of 25m/s in 5 seconds. What is its acceleration?

• +25m/s²

• -0m/s²

• +5m/s²

• 5m/s

Multiple Choice

What is your acceleration if you are riding your bike at 9 km/hr, and 10 minutes later your speed is 6 km/hr.

• 0.3 km/hr

• 30 km/hr

• 0.3 km/hr/hr

• 300 km/hr