Answer:
What is C - when your front bumper is even with the front vehicles back bumper.
Explanation:
Good Luck
Answer:
Emitted power will be equal to 
Explanation:
It is given factory whistle can be heard up to a distance of R=2.5 km = 2500 m
Threshold of human hearing 
We have to find the emitted power
Emitted power is equal to 


So emitted power will be equal to 
The opposite of metric system is Imperial system