Question

please help me to get my answers​

Answer 1

Answer:

120 ° with the river flow

Explanation:

find tan theta and then add 90°

Answer 2

Answer:

hey mate here is your answer

Explanation:

Final Answer :  with the vertical.

Steps :

1) Man has to swim in such a way that, he want to reach just opposite point on the other bank.

=> Drift is 0 .

2)Speed of River is 3km/h in horizontal direction.

=> For Drift to be zero, Horizontal component of velocity of man should be 3km/h leftward.

as shown. We get,

Hence, Man has to swim by making angle  with vertical.

answer=120 degree

hope it helps

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