Unit 5 Review

What would you be measuring if you had the object's speed and direction

• momentum

• velocity

• force

• weight

What is the change in velocity divided by time?

• momentum

• force

• speed

• acceleration

65mi/hr South is an example of...

• Speed
• Velocity
• Acceleration
• Direction

A toy car moves 8 m in 4 s at the constant velocity. What is the car’s velocity?

• 1 m/s

• 2 m/s

• 3 m/s

• 4 m/s

A train moves at a constant velocity of 50 km/h. How far will it move in 0.5 h?

• 10 km

• 20 km

• 25 km

• 45 km

A car at accelerates from 0 m/s to 25 m/s in 5 seconds. What is the average acceleration of the car?

• 30 m/s²

• 50 m/s²

• 125 m/s²

• 5 m/s²

Velocity is a vector measurement because it has both a magnitude and a ________.

• Time

• Distance

• Direction

• Temperature

If a person runs 100 meters in 10 seconds, what is their average speed?

• 1 m/s

• 2 m/s

• 5 m/s

• 10 m/s

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

What are the units for acceleration?

• m/s²

• m

• sec

• s/m