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John was swimming in the river. His swimming velocity was 1.2 m/s due east. The water...

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Physics

John was swimming in the river. His swimming velocity was 1.2m/s due east. The water was running at 0.4 m/s due west. John’sprojected area in the water was 0.45 m2. Water density was 1000kg/m3. The coefficient of drag was 0.2. (a) What was John’svelocity relative to the water? (b) What was the pressure dragforce from the water? After a little while, John turned around andnow is swimming at 1.2 m/s due west. (c) What is John’s velocityrelative to the water now? (d) What is the pressure drag force fromthe water now? (e) What is the percentage of change in pressuredrag force?

Answer & Explanation Solved by verified expert
4.2 Ratings (805 Votes)
a when John is moving due east 12 ms water velocity duewest 04 msJohn velocity    See Answer
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