Guest

A car is initially at rest, 330 m away from a stationary observer. it begins to move towards the observer with an acceleration of 1.1 m/s2 , sounding its horn continuously. After 20s, the driver stops sounding the horn. The velocity of sound in air is 330m/s. For how long will observer hear the horn? ans. 62/3s method?


A car is initially at rest, 330 m away from a stationary observer. it begins to move towards the observer with an acceleration of 1.1 m/s2 , sounding its horn continuously. After 20s, the driver stops sounding the horn. The velocity of sound in air is 330m/s. For how long will observer hear the horn? ans. 62/3s method?


Grade:9

0 Answers

No Answer Yet!

Answer The Question & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free