Sound Travel and Echo Calculation Quiz

The video tutorial explains how sound travels and creates an echo in a canyon. It demonstrates how to calculate the distance to a canyon wall by converting speed from miles per hour to feet per second and using the formula distance equals rate times time. The tutorial also generalizes the formula to calculate the distance for any given echo time.

What is the speed of sound in the given scenario?

• 750 miles per hour

• 600 miles per hour

• 500 miles per hour

• 1000 miles per hour

Tags

CCSS.8.EE.A.2

How long does it take for the sound to reach the opposite wall of the canyon?

• 1 second

• 4 seconds

• 3 seconds

• 2 seconds

Tags

CCSS.4.MD.A.1

How many feet are there in one mile?

• 5,280 feet

• 4,000 feet

• 6,000 feet

• 3,500 feet

Tags

CCSS.2.MD.A.2

What is the first step in converting 750 mph to feet per second?

• Subtract 500

• Divide by 60

• Multiply by 5,280

• Add 1,000

Tags

CCSS.6.RP.A.3B

What is the rate of sound in feet per second after conversion?

• 1,200 feet per second

• 900 feet per second

• 1,100 feet per second

• 1,000 feet per second

How far is the canyon wall if it takes 2 seconds to reach it?

• 2,200 feet

• 1,100 feet

• 3,000 feet

• 1,500 feet

Tags

CCSS.4.MD.A.2

If the echo is heard in 6 seconds, what is the time taken to reach the opposite wall?

• 3 seconds

• 6 seconds

• 2 seconds

• 4 seconds

Tags

CCSS.6.EE.B.6

What is the generalized formula for the distance to the canyon wall in terms of n?

• 500n feet

• 650n feet

• 600n feet

• 550n feet

Tags

CCSS.6.EE.B.7

If n is the time to hear the echo, what is the formula to calculate the distance?

• 1,000n feet

• 600n feet

• 550n feet

• 1,100n feet

What is the significance of dividing n by 2 in the generalized formula?

• To simplify the calculation

• To account for the return trip

• To adjust for speed

• To convert units