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Conceptual Questions on Fluid Dynamics (new course)

See here solved conceptual questions on Fluid Dynamics (Physics) included in the course for grade 11.

S.NoDescription of Question
Question 1From the top of a tall building, you drop two table tennis balls, one filled with air and the other with water. Which ball reaches terminal velocity first and why?
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Question 2Why can squirrel jump from a tree branch to the ground and run away undamaged while a human could break a bone in such a fall?
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Question 3How does the terminal speed of a parachutist before opening a parachute compare to the terminal speed afterwards? Why is there a difference?
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Question 4You can squirt water over a greater distance by placing your thumb over the end of a garden hose than by leaving it completely uncovered. Explain how does it work?
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Question 5Why does smoke rise faster in a chimney on a windy day?
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  1. Pingback:Physics 11 (New Course) – msa

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