An engine approaches the hill with a constant speed. When it is at a distance of 0.9 km, it blows a whistle whose echo is heard after 5 seconds. What is the speed of engine. Speed of sound is 340 m/s.

An engine approaches the hill with a constant speed. When it is at a d

1.	An engine approaches the hill with a constant speed. When it is at a distance of 0.9 km, it blows a whistle whose echo is heard after 5 seconds. What is the speed of engine. Speed of sound is 340 m/s.
Answer» istance/Time=900/5m/s=180m/s.ans......HOPE this will HELP you.Please MARK it as BRAINLIEST.

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An engine approaches the hill with a constant speed. When it is at a distance of 0.9 km, it blows a whistle whose echo is heard after 5 seconds. What is the speed of engine. Speed of sound is 340 m/s.

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