Question

3. 1323	A bat flies towards a moth at 7.3 m/s while the moth is flying towards the bat at 5.1 m/s. The bat emits a sound wave of 50.4 kHz.

Part	Description	Answer	Save	Status
A.	What is the frequency of the wave detected by the bat after the wave reflects off the moth? (include units with answer)	Format Check	10 pts.110% 2% try penalty Hints: 1,0	# tries: 0
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 57.0 kHz. How fast is the second moth moving? (include units with answer)	Format Check	10 pts.110% 2% try penalty Hints: 1,0

Answer 1