Give the complete solution of the questions from 36 to 39
36. To a person going east in a car with a velocity of 25 km.p.h. a train appears to move towards north with a velocity of km.p.h. What is the actual velocity and direction of motion of the train ?
[Ans. 50 km.p.h. east of north ]
37. A ship A is travelling at 12 km.p.h. in still water in a direction due east. A man on it observe another ship B due north of him which appears to moving directly towards him at a speed of 15 km.p.h. Find the actual speed of B and its direction of motion.
38. A cyclist moves horizontally at 10 km.p.h. There is no wind and rain drops appear to him to fall at an angle of to the vertical. Find the speed of the rain drops. [Ans. 56.71 km.p.h.]
39. T a person going westward with a velocity of 6 km.p.h.rain appears to fall vertically downward with a velocity of 8 km.p.h. Find the speed of the rain drops.
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