1.2.1-2 Speed, Velocity and Acceleration

Speed = _______________

• Distance + time

• Distance – time

• Distance x time

• Distance / time

Velocity = _______________

• Speed – direction

• Speed + direction

• Speed x direction

• Speed / direction

Which of the following is an acceptable velocity measurement?

• 25 m/s North

• 25 m/s

• 25 m

• 25 m North

This occurs when an object speeds up, slows down, or changes direction.

• Speed

• Velocity

• Acceleration

If you drive for 2 hours and travel 120 miles. What was your average speed.

• 60

• 60 mi/hr

• 240 miles

• 2 hours

You roll a tennis ball a distance of 18 meters it takes 6 seconds to cover the distance. What is the average speed of the tennis ball?

• 3 km/s

• 6 m/s

• 3

• 3 m/s

A car travels 120 miles in 3 hours. What is the average speed of the car?

• .40 km/s

• 40 mi/hr

• 360 miles

• 40 m/s

The captain decides to show the team how it's done. He rows 2 km in 7 min. What's his speed?

• 14 m/s

• 0.29 m/s

• 0.21 m/s

• 4.76 m/s

The team of 8 rowers row 500 m in 180 s. If they keep going at the same speed, how long does it take them to row 2 km?

• 2.78 s

• 12 min

• 755 s

• 90000 s

An object travels 100 m North then 50 m South. What is its total displacement?

• 150 m

• 50 m North

• 50 m South

• 150 m North