1. A boat that can travel with a velocity of 12 m/s in still water is moving at maximum speed against the current of a stream that flows with a velocity of 5 m/s relative to the Earth. What is the velocity of the boat relative to the bank of the stream? 3. A swimmer swims upstream with a velocity of 4 m/s rela-tive to the water. The velocity of the current is 3.5 m/s (downstream). What is the velocity of the swimmer relative to the bank?
1. A boat that can travel with a velocity of 12 m/s in still water is moving at maximum speed against the current of a stream that flows with a velocity of 5 m/s relative to the Earth. What is the velocity of the boat relative to the bank of the stream? 3. A swimmer swims upstream with a velocity of 4 m/s rela-tive to the water. The velocity of the current is 3.5 m/s (downstream). What is the velocity of the swimmer relative to the bank?
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Transcribed Image Text:1. A boat that can travel with a velocity of 12
m/s in still water is moving at maximum speed
against the current of a stream that flows with
a velocity of 5 m/s relative to the Earth. What is
the velocity of the boat relative to the bank of
the stream?
3. A swimmer swims upstream with a velocity
of 4 m/s rela-tive to the water. The velocity of
the current is 3.5 m/s (downstream). What is
the velocity of the swimmer relative to the
bank?
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