Two friends are travelling downstream on a raft drifting along with the same speed as the river. At ? =0, Friend-1 jumps off the raft and start swimming downstream. At ? =30 ???, Friend-1 turns around and starts swimming upstream until he reaches the raft. By this time the raft has drifted 2 ?? downstream. Friend-1 swims at a constant speed relative to the river. a) Find the speed of the river. b) How does your answer to part a) depend on the Friend-1’s speed relative to the river? Hint: The speed of the river is independent of the Friend-1’s Speed.
Two friends are travelling downstream on a raft drifting along with the same speed as the river. At ? =0, Friend-1 jumps off the raft and start swimming downstream. At ? =30 ???, Friend-1 turns around and starts swimming upstream until he reaches the raft. By this time the raft has drifted 2 ?? downstream. Friend-1 swims at a constant speed relative to the river. a) Find the speed of the river. b) How does your answer to part a) depend on the Friend-1’s speed relative to the river? Hint: The speed of the river is independent of the Friend-1’s Speed.
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Your Question:
Two friends are travelling downstream on a raft drifting along with the same speed as
the river. At ? =0, Friend-1 jumps off the raft and start swimming downstream. At ? =30 ???,
Friend-1 turns around and starts swimming upstream until he reaches the raft. By this time the raft
has drifted 2 ?? downstream. Friend-1 swims at a constant speed relative to the river.
a) Find the speed of the river.
b) How does your answer to part a) depend on the Friend-1’s speed relative to the river?
Hint: The speed of the river is independent of the Friend-1’s Speed.
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