Speed and Acceleration

Speed, Velocity and Acceleration Review

By Ms Taylor

Speed

​Some text here about the topic of discussion.

Velocity

​Velocity is calculated like speed. Just ADD a DIRECTION!!

Acceleration is measured in m/s²

Acceleration

Multiple Choice

Acceleration of an object happens when things ________

• slow down
• go faster
• change direction (turn)
• All of the above

Multiple Choice

Which two factors does speed depend on?

• distance and direction

• direction and time

• distance and time

• distance, time and direction

Multiple Choice

What two factors does velocity depend on?

• speed and direction

• distance and time

• speed and time

• distance and direction

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

What is your average speed if you take 0.5 h to jog 4,000 m?

• 8000 m/h
• 2000 m/h
• 0.000125 m/h
• 800 m/h

Multiple Choice

Which of the following is NOT an example of acceleration?

• a person jogging at 3 m/s along a winding path
• a car stopping at a stop sign
• a cheetah running 27 m/s east
• a plane taking off

Multiple Choice

When a car goes around a corner at 20 mph, why do we say it accelerates?

• The car is accelerating because of the velocity is constant

• The car accelerates because it's going 20 mph

• Cars always accelerate when they are in motion

• The car is accelerating because it's changing direction

Multiple Choice

A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?

• 10 m/s
• 1000 m/s
• 100 seconds
• 10 seconds

Multiple Choice

The turtle speeds up from 0m/s to 20m/s in 2 seconds. What is his acceleration?

• 40m/s^2

• 20m/s²

• 10m/s²

• 2m/s²