Vectors Question 185
Question: A boat takes two hours to travel 8 km and back in still water. If the velocity of water is 4 km/h, the time taken for going upstream 8 km and coming back is
[EAMCET 1990]
Options:
A) To fall vertically down
B) To fall at an angle going from west to east
To fall at an angle going from west to east
D) The information given is insufficient to decide the direction of rain.
Correct Answer: B A man is sitting in a bus and travelling from west to east, and the rain drops appear falling vertically down. $ v _{m}= $ velocity of man $ v _{r}= $ Actual velocity of rain which is falling at an angle $ \theta $ with vertical $ v _{rm}= $ velocity of rain w.r.t. to moving man If another man observes the rain then he will find that actually rain falling with velocity $ v _{r} $ at an angle going from west to east.Show Answer
Answer:
Solution:
BETA
