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Rain drops are falling downward with sp...

Rain drops are falling downward with speed 30km/h .A bus is moving in the horizontal direction with 40km/h .At what angle and speed rain drops strike the vertical wind glass of bus?

(А) `50kmph`,`theta` = `tan^(-1)((4)/(3))`

(B) `50kmph`,`theta` = `tan^(-1)((3)/(4))`

(C)`70kmph`,`theta` = `45^(@)`

(D) `10kmph`,`theta` = `tan^(-1)((3)/(4))`

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