Speed Review 2

65 miles per hour North is an example of an objects what?

• Speed
  
• Velocity
• Average Speed
• Constant Speed

Speed is different from velocity because

• Velocity has a direction
• Speed uses Distance /Time
• Velocity doesn't include time
• Velocity doesn't include distance

What is motion?

• the stopping of an object to a frame of reference

• a change in position relative to a frame of reference

• the middle ground between light and shadow, between science and superstition, and it lies between the pit of man's fears and the summit of his knowledge

• a change in the time in which it takes to get an office referral

If it takes Heather 3 seconds to run from the batter's box to first base at an average speed of 6.5 meters per second, what is the distance she covers in that time?

• 19.5 m
• 0.46 m
• 2.2 m
• 3.5 m

Bart ran 5,000 meters from the police at an average speed of 6 meters/second before he got caught. How long did he run?

• 30,000 s
• 0.0012 s
• 833.3 s
• 212 s

Sarah backstrokes at an average speed of 8 meters per second. How long will it take her to complete a 200-meter race?

• 0.04 s
• 1600 s
• 50 s
• 25 s

A passenger plane made a trip to Las Vegas, flying at an average speed of 432 mph. How much time did the trip take if the plane traveled 616 miles?

• 0.70 hours
• 1.43 hours
• 2 hours
• 3.4 hours

Tina's calculations of a tarantula found that the spider was able to cover 20 cm in 5 seconds. What was the average speed of the spider?

• 4 m/min
• 4 m/s
• 4 cm/min
• 4 cm/s

If a puppy runs across a park at a speed of 15 m/s. The puppy has a time of 5 seconds. How far did the puppy run?

• 75 m

• 30 m

• 45 m

• 105 m

Usain Bolt of Jamaica holds the world record for the Men's 100 meter race. He finished in 9.58 seconds! What was his average speed? (Round to the nearest tenth.)

• 10.4 m/s

• .1 m/s

• 1 m/s

• 10.5 m/s