The-train-is-moving-at-a-speed-of-12-m-san-In-this-cose-it-seems-to-the-passenger-in-the-car-that-the-direction-of-the-raindrops-is-at-an-angle-of-30-degrees-to-the-vertical-Find-the-average-speed

Question Number 139943 by mathsuji last updated on 02/May/21

$${The}\:{train}\:{is}\:{moving}\:{at}\:{a}\:{speed}\:{of}\:\mathrm{12}\:{m}/{san}. \\ $$$${In}\:{this}\:{cose},\:{it}\:{seems}\:{to}\:{the}\:{passenger} \\ $$$${in}\:{the}\:{car}\:{that}\:{the}\:{direction}\:{of}\:{the} \\ $$$${raindrops}\:{is}\:{at}\:{an}\:{angle}\:{of}\:\mathrm{30}\:{degrees} \\ $$$${to}\:{the}\:{vertical}.\:{Find}\:{the}\:\:{average} \\ $$$${speed}\:{of}\:{raindrops}. \\ $$

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