1.

A bat emits ultrasonic wave, which returns back to the bat after being reflected from its prey in 4 s. How far is the prey? (Assume speed of sound in air as 345 m/s) a. 1380mb. 172.5mc. 690md. 345m​

Answer»

what a FUNNY JOKE EXPLANATION:MARK me BRAINLEAST.



Discussion

No Comment Found

Related InterviewSolutions