Question

3. 1323 A bat flies towards a moth at 6.3 m/s while the moth is flying towards the bat at 5.5 m/s. The bat emits a sound wave of 50.4 kHz. IMAGES NOTES DISCUSS UNITS STATS HELP PREFERENCES Part Description Answer A. What is the frequency of the wave detected by the bat after the wave reflects off the moth? (include units with answer) A: 54.02 kHz C: 53.99 kHz Save Status Try 1 - CORRECT! 1 hint available 10 points added to your score #tries: 1 Show Details B. After enjoying a tasty meal of the first moth, the bat goes after another moth. Flying with the same speed and emitting the same frequency, this time the bat detects a reflected frequency of 56.3 kHz. How fast is the second moth moving? (include units with answer) Format Check OK - using first value as 32.8 m/s Try 1 - your answer of 32.76 m/s is not correct. 9.8 pts. 108% 2% try penalty #tries: 1 Show Details 1 hint available

          3.
1323
A bat flies towards a moth at 6.3 m/s while the moth is flying towards the bat at 5.5 m/s. The bat emits a sound wave of 50.4 kHz.
IMAGES NOTES DISCUSS UNITS STATS HELP PREFERENCES
Part
Description
Answer
A.
What is the frequency of the wave
detected by the bat after the wave
reflects off the moth?
(include units with answer)
A: 54.02
kHz
C: 53.99
kHz
Save
Status
Try 1 - CORRECT!
1 hint available
10 points added to your score
#tries: 1 Show Details
B.
After enjoying a tasty meal of the
first moth, the bat goes after
another moth. Flying with the same
speed and emitting the same
frequency, this time the bat detects
a reflected frequency of 56.3 kHz.
How fast is the second moth
moving?
(include units with answer)
Format Check
OK - using first
value as 32.8
m/s
Try 1 - your answer of 32.76 m/s is not correct.
9.8 pts. 108%
2% try penalty
#tries: 1 Show Details
1 hint available

3.
1323
A bat flies towards a moth at 6.3 m/s while the moth is flying towards the bat at 5.5 m/s. The bat emits a sound wave of 50.4 kHz.
IMAGES NOTES DISCUSS UNITS STATS HELP PREFERENCES
Part
Description
Answer
A.
What is the frequency of the wave
detected by the bat after the wave
reflects off the moth?
(include units with answer)
A: 54.02
kHz
C: 53.99
kHz
Save
Status
Try 1 - CORRECT!
1 hint available
10 points added to your score
#tries: 1 Show Details
B.
After enjoying a tasty meal of the
first moth, the bat goes after
another moth. Flying with the same
speed and emitting the same
frequency, this time the bat detects
a reflected frequency of 56.3 kHz.
How fast is the second moth
moving?
(include units with answer)
Format Check
OK - using first
value as 32.8
m/s
Try 1 - your answer of 32.76 m/s is not correct.
9.8 pts. 108%
2% try penalty
#tries: 1 Show Details
1 hint available

Added by Jeremy G.

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