Speed and Metrics Science

What is the speed of a car that travels 2785 km in 36.4 hours?

• 101374 km/hr

• 76.5 km/hr

• 76.5 m/s

• 0.01 km/hr

Tags

NGSS.MS-PS3-1

How much time would it take thunder to travel 1,500 meters if it travels at a speed of 340 m/s?

• 4.41 seconds

• 4.41 hours

• 0.23 seconds

• 510,000 seconds

Tags

NGSS.MS-PS4-1

How much time would it take for an airplane to reach its destination if it traveled at an average speed of 790 kilometers/hour for a distance of 4,700 kilometers?

• 0.17 km/hr

• 5.95 m/s

• 0.17 m/s

• 5.95 km/hr

A snail can move approximately 0.30 meters per minute. How many meters can the snail cover in 15 minutes?

• 4.5 m

• 450 m

• 50 m

• 0.5 m

Calculate the average speed (in km/h) of a car stuck in traffic that drives 12 kilometers in 2 hours.

• 2 km/hr

• 12 km/hr

• 6 km/hr

• 0.17 km/hr

Suppose you ride your bicycle to the library traveling at 0.5 km/min. It takes you 25 minutes to get to the library. How far did you travel?

• 12.5 m

• 25 km

• 50 km

• 12.5 km

A train travels 225 kilometers in 2.5 hours. What is the train’s average speed?

• 0.11 km/hr

• 900 km/hr

• 90 km/hr

• 100 km/hr

A person in a kayak paddles down river at an average speed of 10 km/h. After 3.25 hours, how far has she traveled?

• 32.5 km

• 3.08 km

• 32.5 m

• 0.325 km

*Hans stands at the rim of the grand canyon and yodels down to the bottom. He hears his yodel back 5.2 seconds later. Sound travels at 340 m/s. How deep is the Grand Canyon? *Hint: Sound travels there AND BACK.

• 884 m

• 1768 m

• 795 m

• 1495 m

Tags

NGSS.HS-PS4-1

*You walk 100 km. The first 50km you walk at a speed of 12 km/hr. The second 50 km you walk at 9.5 km/hr. How much time did you take walking the first half?

• 5 hours

• 2.1 hours

• 600 hours

• 4.2 hours