Calculating Speed

A girl on a bike rides down a hill 500 meters long in 50 seconds. What is her speed?

• 100 m/s

• 10 m/s

• 1,000 m/s

• 10 mph

Tags

NGSS.MS-PS3-1

What is the speed of a rocket that travels 9000 meters in 12.12 seconds?

• 725 m/s

• 7,425 m/s

• 742.5 m/s

• 680 m/s

Tags

NGSS.MS-PS3-1

What is the speed of a jet plane that travels 528 meters in 4 seconds ?

• 140 m/s

• 132 mph

• 142 mph

• 132 m/s

Tags

NGSS.MS-PS3-1

A trip to Florida takes 10 hours. The distance is 816 km. Calculate the average speed.

• 81.6 km/hr

• 81.6 mph

• 82 m/s

• 816 km/h

An object must travel 60 meters in 4 seconds. At what average speed will the object have to travel to accomplish this task?

• 15 mph

• 15 m/s

• 1500 mph

• 150 m/s

Tags

NGSS.MS-PS3-1

You are going to race your friend to a tree near the back of the playground. The tress is 24 meters away from where you stand. It will take you 4 seconds to reach the tree. What will your average speed be?

• 6 mph

• 16 m/s

• 60 m/s

• 6 m/s

Tags

NGSS.MS-PS3-1

How fast does a sloth crawl if he moves 10 meters in 4 minutes?

• 24 m/s

• 0.4 m/min

• 2.5 m/min

• 0.40 m/s

What is the speed of an object that goes 60 miles in 2 hours?

• 120 mph

• 30 m/s

• 120 m/s

• 30 mph

A dog runs after a ball that is 45 meters away. It takes him 9 seconds to reach the ball. How fast is the dog running?

• 15 m/s

• 5 mph

• 50 mph

• 5 m/s

Tags

NGSS.MS-PS3-1

It takes Serina 0.25 hours to drive to school. Her route is 16 km long. What is Serina’s average speed on her drive to school?

• 64 km/hr

• 64 mph

• 640 mph

• 160 km/hr