Speed, Velocity, and Acceleration challenge

How do you calculate average speed?

• distance divided by time

• time divided by speed

• speed divided by time

• total distance divided by total time

Which of the following answer choices is NOT a measuring unit for speed?

• miles per hour

• miles per hour per hour

• kilometers per hour

• meters per second

A car travels 120 miles in 12 hours. What is the car's speed?

• 10 mph

• 10 m/s

• 240 mph

• 240 m/s

________ is the change in distance over a specific amount of time.

• velocity

• motion

• acceleration

• speed

A train travels 225 kilometers in 2.5 hours. Calculate the train's speed.

• 95 mph

• 90 km/h

• 90 h/km

• 90 m/s

Speed in a given direction

• acceleration

• speed

• velocity

• average speed

An average of all the speeds over a given time

• average speed

• total speed

• net force

• speed units

Miles per hour north is an example of

• average speed

• acceleration units

• velocity units

• calculating speed

What is the difference between the velocity and the speed of an object?

• Velocity is the change in distance over time, while speed is the change

  velocity over time.

• Velocity has a direction associated with it, while speed has no specific

  direction.

• Velocity has no direction associated with it, while speed has a specific

  direction.

• Velocity is the change in speed over time, while speed is the change in

  distance over time.

A golf ball is hit a distance of 300 yards in 10 sec. What is the speed of the golf ball?

• 3000 yards per second

• 30 yards per second

• 30 meters per second

• 3000 meters per second