Question

x?
+(6+us)?
- 12 then x = ?
IF C6-05​

Answer 1

Answer:

An echo can only be heard if it reaches the ear after 0.1 secs.

Time taken = Total distance/Velocity

As on a hotter day,the velocity of sound is more, so if the time taken by the echo is less than 0.1 sec than it wont be heard.An echo can only be heard if it reaches the ear after 0.1 secs.

Time taken = Total distance/Velocity

As on a hotter day,the velocity of sound is more, so if the time taken by the echo is less than 0.1 sec than it wont be heard.An echo can only be heard if it reaches the ear after 0.1 secs.

Time taken = Total distance/Velocity

As on a hotter day,the velocity of sound is more, so if the time taken by the echo is less than 0.1 sec than it wont be heard.An echo can only be heard if it reaches the ear after 0.1 secs.

Time taken = Total distance/Velocity

As on a hotter day,the velocity of sound is more, so if the time taken by the echo is less than 0.1 sec than it wont be heard.An echo can only be heard if it reaches the ear after 0.1 secs.

Time taken = Total distance/Velocity

As on a hotter day,the velocity of sound is more, so if the time taken by the echo is less than 0.1 sec than it wont be heard.An echo can only be heard if it reaches the ear after 0.1 secs.

Time taken = Total distance/Velocity

As on a hotter day,the velocity of sound is more, so if the time taken by the echo is less than 0.1 sec than it wont be heard.

Step-by-step explanation: