Unit 10 Motion review

Which of the following is NOT a measurement of velocity?

• 7,500 min/decade
• 50 miles Northeast
• 30 m/s South
• 8in to the left

The distance an object travels per unit of time:

• displacment
• velocity
• speed
• acceleration

The speed and direction of a moving object:

• displacement
• velocity
• speed
• acceleration

How do you calculate average speed?

• dividing displacement by the total time spent
• multiplying the displacement by total time spent
• multiplying the total distance by the total time
• dividing the total distance traveled by the total time

If Johnny ran a 300 meter race in 40 seconds, what was his speed?

• 75 m/s
• 1,200 m/s
• 0.13 m/s
• 7.5 m/s

A skater skates 100 meters in 20 seconds. What was his speed?

• 2,000 m/s
• .5 mph
• 5 m/s
• 0.2 m/s

What is Daisy's Average running speed?

• 0.298 km/min
• 29.5 km/min
• 54.5 km/min
• 105 km/min

Who ran the fastest? **Hint: find the average speed of each runner to answer this question.

• Daisy
• Jane
• Bill
• Joe

If a runner maintains a constant speed of 10 miles/hour, how long will it take to travel a half marathon that is a distance of 13.1 miles?

• .76 hours
• 3.1 hours
• 1.31 hours
• 131 hours

What was swimmer C's average speed?

• 0.0125 m/min
• 0.0167 km/h
• 60 m/min
• 80 m/min