Science, asked by dssd5869, 1 year ago

An engine is approaching a hill at a constant speed. when it is at a distance of 0.9km it blows a whistle whose echo is hear by the driver after 5 sec. if the speed of sound in 340m/s. calculate the speed of the engine. plEase help!

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Answered by rajeswar

3

hope this helped you...............

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BROSSMEN1615: you copied this from smartlearning.in

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